Deck 24: Animal Tissues, organ Systems and Homeostasis

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Question
The eye contains nerves,muscles,and blood cells.It is defined as which of the following?

A)Organ
B)Tumor
C)Organ system
D)Tissue
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Question
The study of an organism's structure is:

A)Physiology
B)Kinesiology
C)Endocrinology
D)Anatomy
E)Immunology
Question
The different types of animal tissue include:

A)Epithelial tissue
B)Connective tissue
C)Muscle tissue
D)Nervous tissue
E)All are correct
Question
The type of connective tissue that consists of chondrocytes is:

A)Bone
B)Adipose
C)Cartilage
D)Dense connective
E)Blood
Question
The germ layer called the mesoderm develops into:

A)Skin
B)Nervous system
C)Liver
D)Lungs
E)Muscles
Question
The germ layer called the ectoderm develops into:

A)Muscles
B)Liver
C)Lungs
D)Bone
E)Skin
Question
The type of epithelial tissue that forms a single layer of flattened cells is:

A)Stratified squamous
B)Simple cuboidal
C)Simple columnar
D)Simple squamous
E)Stratified columnar
Question
The study of the function of all of the body's parts is:

A)Anatomy
B)Physiology
C)Pathology
D)Histology
E)Genetics
Question
The tissue type that functions in acting as a lining or covering of organs and absorption,gas diffusion,and secretion is:

A)Connective
B)Nervous
C)Muscle
D)Epithelial
E)All are correct
Question
The type of epithelial tissue that forms a multiple layer of flattened cells is:

A)Stratified squamous
B)Simple squamous
C)Simple cuboidal
D)Simple columnar
E)Stratified columnar
Question
Collagen and elastin are:

A)Fibrous proteins secreted by fibroblasts
B)Secreted by fibroblasts
C)Enzymes
D)Enzymes secreted by fibroblasts
E)Fibrous proteins
Question
The germ layer called the endoderm develops into:

A)Skin
B)Nervous system
C)Liver
D)Bone
E)Muscles
Question
The only type of connective tissue in which fibroblasts do not secrete collagen is:

A)Bone
B)Blood
C)Cartilage
D)Adipose
E)Loose connective
Question
The tissue type that functions in providing support,transport,and insulation is:

A)Epithelial
B)Connective
C)Nervous
D)Muscle
E)All are correct
Question
The tissue type that functions in receiving,processing,and transmitting information by providing a communication network among cells is:

A)Epithelial
B)Connective
C)Nervous
D)Muscle
E)All are correct
Question
The type of connective tissue that store lipids in fat cells is:

A)Bone
B)Cartilage
C)Adipose
D)Dense connective
E)Blood
Question
The type of epithelial tissue that forms a single layer of cube-shaped cells is:

A)Simple squamous
B)Simple cuboidal
C)Stratified cuboidal
D)Simple columnar
E)Stratified columnar
Question
The tissue type that functions in providing contractions that power movement is:

A)Epithelial
B)Connective
C)Muscle
D)Nervous
E)All are correct
Question
The type of epithelial tissue that forms a single layer of elongated cells is:

A)Stratified cuboidal
B)Simple squamous
C)Stratified squamous
D)Stratified columnar
E)Simple columnar
Question
Groups of cells that interact and provide a specific function are defined as which of the following?

A)Organ system
B)Organ
C)Tissue
D)Tumor
Question
Muscle tissue that is under voluntary control and contains cells with many nuclei is:

A)Cardiac
B)Skeletal
C)Smooth
D)Cartilage
E)Squamous
Question
Cancers that arise in epithelial tissue are termed:

A)Carcinomas
B)Leukemias
C)Sarcomas
D)Hybridomas
E)Lymphomas
Question
Neuroglia cells that have lipid rich cell membranes and form insulating sheaths of myelin are:

A)Adipocytes
B)Erythrocytes
C)Islets of Langerhans
D)Schwann cells
E)Mucous cells
Question
The systems that work together to protect the body are:

A)Nervous and endocrine
B)Skeletal and muscular
C)Digestive, respiratory, and circulatory
D)Integumentary, immune, and urinary
E)Reproductive and respiratory
Question
Cancers that arise in tissues that give rise to blood are termed:

A)Melanomas
B)Lymphomas
C)Sarcomas
D)Carcinomas
E)Hybridomas
Question
The systems that support and move the body are:

A)Skeletal and muscular
B)Nervous and endocrine
C)Circulatory and respiratory
D)Digestive and circulatory
E)Urinary and immune
Question
The systems that work together to acquire energy are:

A)Nervous and endocrine
B)Skeletal and muscular
C)Digestive, respiratory, and circulatory
D)Reproductive and integumentary
E)Urinary and immune
Question
An action that counters an existing condition is:

A)Termed negative feedback
B)A mistake
C)Termed positive feedback
D)Termed directional control
Question
Protein filaments that function in muscular contraction are:

A)Keratin and actin
B)Myosin and collagen
C)Elastin and collagen
D)Actin and myosin
E)Elastin and keratin
Question
The hormone that stimulates the uptake of glucose by cells is:

A)Glucagon
B)Estrogen
C)Insulin
D)Ethylene
E)Progesterone
Question
Muscle tissue that is controlled involuntarily and has no striations is:

A)Smooth
B)Cardiac
C)Skeletal
D)Cartilage
E)Squamous
Question
A type of gland that secretes an oily substance that softens and protects hair is a(an):

A)Salivary gland
B)Mammary gland
C)Sweat gland
D)Sebaceous gland
E)Endocrine gland
Question
The primary function of muscle tissue is:

A)Contraction
B)Absorption
C)Secretion
D)Impulse transmission
E)Compression
Question
Cancers that arise in muscle tissue are termed:

A)Melanomas
B)Carcinomas
C)Hybridomas
D)Lymphomas
E)Sarcomas
Question
The type of connective tissue that is composed of osteocytes is:

A)Cartilage
B)Bone
C)Adipose
D)Blood
E)Loose connective
Question
Turning up the temperature setting in a room that feels cold,causing a heater to turn on is an example of the principle of:

A)Homeostasis
B)Positive feedback
C)Negative feedback
D)Directional control
Question
The tissue that makes up the spinal cord and brain consist of:

A)Neurons and adipocytes
B)Platelets and neuroglia
C)Platelets and adipocytes
D)Neurons and platelets
E)Neurons and neuroglia
Question
The systems that coordinate communication are:

A)Skeletal and muscular
B)Circulatory and respiratory
C)Nervous and endocrine
D)Digestive and circulatory
E)Urinary and immune
Question
If the temperature of the skin is too low or too high this information is conveyed to an area of the brain called the:

A)Cerebellum
B)Hypothalamus
C)Cerebrum
D)Medulla oblongata
E)Spinal cord
Question
The body's first line of defense against disease-causing microorganisms is:

A)The white blood cells
B)The process of phagocytosis
C)The production of antibodies
D)The production of T lymphocytes
E)The intact skin
Question
Rickets is caused by vitamin D deficiency.Which organ systems are interacting in this process?

A)Circulatory and muscular
B)Muscular and skeletal
C)Skeletal and integumentary
D)Endocrine and muscular
E)Endocrine and circulatory
Question
If the concentrations of salts are too high,which of the following would occur?

A)The hypothalamus would signal the kidney to release more salt into the urine
B)The hypothalamus would signal the kidney to absorb more salt from the urine
C)The pituitary would signal the kidney to release more salt into the urine
D)The pituitary would signal the kidney to release absorb more salt from the urine
E)The liver would signal the kidney to release absorb more salt from the urine
Question
Blood flow is increased by vasodilation,or widening of the blood vessel.Which tissue is responsible for vasodilation?

A)Epithelial
B)Connective
C)Muscle
D)Nervous
E)Endocrine
Question
The liver produces 90% of the cholesterol in your body,much of it transported in the blood as low density lipoporotein (LDL).When the levels of blood LDL increase,an enzyme in the liver that makes cholesterol is inhibited.This is an example of which of the following?

A)Positive feedback
B)Endocrine feedback
C)Nervous feedback
D)Negative feedback
E)Hormonal feedback
Question
The simple squamous cells found in the glomeruli would have which function?

A)Secrete and propel mucus
B)Secrete and absorb substances
C)Protect areas subject to abrasion
D)Secrete hormones
E)Allow exchange of substances by diffusion and osmosis
Question
One way humans maintain body temperature is by increasing blood flow to the skin and sweating.Which organ systems are interacting in this process?

A)Circulatory and muscular
B)Muscular and integumentary
C)Endocrine and muscular
D)Circulatory and integumentary
E)Endocrine and circulatory
Question
Our cells use vitamin C to make collagen.People on a vitamin C deficient diet have increased risk of small blood vessels rupturing.Which of the following is the best explanation for this observation?

A)Collagen is the connective tissue in blood
B)Collagen weakens the cells lining blood vessels
C)Collagen is in the connective tissue surrounding blood vessels
D)Collagen causes blood vessels to become stiff and more likely to break
E)Collagen inhibits blood clotting
Question
Patients with muscular dystrophy have decreased voluntary motion,while involuntary motions remain normal.Which tissues are affected by muscular dystrophy?

A)Skeletal and cardiac muscle
B)Cardiac muscle
C)Skeletal muscle
D)Cardiac and smooth muscle
E)Smooth muscle
Question
In asthma,repeated bouts of inflammation results in a change in structure of the cells lining the bronchi from ciliated pseudostratified columnar to stratified squamous.Which of the following would be a symptom of asthma?

A)Difficulty exchanging gases across the bronchi
B)Increased risk of infection
C)Increased flexibility in the bronchi
D)Difficulty moving mucus out of the airway
E)Increased mucous production
Question
What would happen to the drug dealer's blood pH and osmolarity (level of salts)?

A)Osmolarity and pH would both decrease
B)Osmolarity would decrease and pH would increase
C)Osmolarity would increase and pH would decrease
D)Osmolarity and pH would both increase
Question
Why would the drug dealer's urea and potassium levels in the blood be elevated?

A)They could not be absorbed from the urine
B)More potassium and urea were being produced by the kidneys
C)The kidneys could not break down the potassium and urea in the blood
D)The kidneys could not secrete urea or potassium into the blood
E)They could not pass into the urine
Question
Marfan Syndrome is an inherited disorder in which patients have very flexible joints and weakened blood vessels.A deficiency in which of the following would be consistent with both symptoms?

A)Elastin
B)Collagen
C)Minerals
D)Plasma
E)Adipocytes
Question
The simple cuboidal cells found in the tubules would have which function?

A)Allow exchange of substances by diffusion and osmosis
B)Protect areas subject to abrasion
C)Secrete and absorb substances
D)Secrete hormones
E)Secrete and propel mucus
Question
When a blood clot begins to form,the enzyme thrombin is formed.Thrombin then activates the enzymes that produce more thrombin.This is an example of which of the following?

A)Negative feedback
B)Positive feedback
C)Endocrine feedback
D)Nervous feedback
E)Hormonal feedback
Question
Blood vessels are lined by a single layer of flattened cells.Which type of cells line a blood vessel?

A)Stratified squamous
B)Simple cuboidal
C)Simple squamous
D)Simple columnar
E)Pseudostratified columnar
Question
A physician is concerned because a patient is showing signs of slowed nerve impulse transmission.This symptom could likely be caused by damage to:

A)The myelin sheath
B)Leukocytes
C)Epithelial cells
D)Adipocytes
E)Chondrocytes
Question
Which tissue within skin is responsible for producing sweat?

A)Epithelial
B)Connective
C)Muscle
D)Nervous
E)Endocrine
Question
A traditional tattoo injects ink into the lower layers of the skin.Which of the following would be true of this tattoo?

A)It would be temporary because dermal cells are constantly replaced.
B)It would be temporary because epidermal cells are constantly replaced.
C)It would be permanent because dermal cells are not replaced.
D)It would be permanent because epidermal cells are not replaced.
Question
A henna tattoo stains the surface of the skin.Which of the following would be true of this tattoo?

A)It would be temporary because epidermal cells are constantly replaced.
B)It would be permanent because epidermal cells are not replaced.
C)It would be permanent because dermal cells are not replaced.
D)It would be temporary because dermal cells are constantly replaced.
Question
Scleroderma is an autoimmune disease in which repeated bouts of inflammation result in fibroblasts depositing collagen in the skin.Which of the following would be a symptom of scleroderma?

A)Increased blood flow to the skin
B)Increased flexibility in the skin
C)Change in the skin cell type from squamous to columnar
D)Change in the skin cell type from columnar to squamous
E)Less flexibility in the skin
Question
Epithelial tissues never have a free surface exposed to a space inside the body.
Question
Why isn't protection from skin cancer a good explanation for the selective advantage of producing melanin?

A)Because skin cancer is not fatal
B)Because skin cancer does not affect vitamin levels
C)Because skin cancer doesn't affect reproductive success
D)Because skin cancer is not passed on to offspring
E)Because skin cancer is not caused by UV light
Question
Melanin is produced in which of the following tissue types?

A)Epithelial
B)Connective
C)Muscle
D)Nervous
E)Endocrine
Question
An organ is defined as consisting of two or more interacting tissues.
Question
Why is dark skin more prevalent in people whose ancestors were from lower latitudes near the equator?

A)Increased melanin prevents the breakdown of vitamin D, but enough light is available to make folic acid
B)Increased melanin prevents the breakdown of folic acid and vitamin D
C)Increased melanin prevents skin cancer
D)Increased melanin prevents the breakdown of folic acid, but enough light is available to make vitamin D
E)Increased melanin prevents skin cancer and protects vitamin D
Question
What is the primary function of melanin?

A)Increasing light absorption
B)Decreased water loss
C)Increased muscle strength
D)Absorption of UV light
E)Increased synthesis of vitamins
Question
The most common way that living organisms maintain homeostasis is by positive feedback mechanisms.
Question
The state of internal constancy maintained by living organisms is homeostasis.
Question
Which of the following is true of vitamin D and folic acid for a human?

A)They cannot be synthesized enough to meet a person's demand
B)They cannot be synthesized at all by the human body
C)They must be consumed in the diet
D)They are both used to regulate calcium uptake by the bone
E)Enough can be synthesized by the body to meet a person's demand
Question
Damage to the myelin sheath of a neuron may slow or even stop nerve impulse transmission.
Question
UV light _____ folic acid.

A)Increases the body's production of
B)Destroys
C)Contains
D)Has no effect on
E)Produces
Question
Cancer is a disease of the cell cycle.
Question
At the same latitude,a person with dark skin would have which levels of folic acid and vitamin D relative to a person with light skin?

A)Folic acid and vitamin D levels would be the same in both
B)Increase in both folic acid and vitamin D
C)Decreased folic acid and increased vitamin D
D)Decrease in both folic acid and vitamin D
E)Increased folic acid and decreased vitamin D
Question
Skin color in a population is an example of which of the following?

A)Directional selection
B)Artificial selection
C)Stabilizing selection
D)Disruptive selection
E)Sexual selection
Question
A tissue is defined as a group of interacting cells that provide a specific function.
Question
Angiogenesis inhibitors might be administered to a patient if a patient has cancer.
Question
Why is light skin more prevalent in people whose ancestors were from higher latitudes far from the equator?

A)Decreased melanin promotes the synthesis of folic acid, but the low light available does not destroy vitamin D
B)Decreased melanin promotes the synthesis of folic acid and vitamin D
C)Decreased melanin promotes the synthesis of vitamin D, but the low light available does not destroy folic acid
D)Melanin is not needed given the low level of light and requires energy to produce
E)Our common human ancestors had light skin, and dark skin arose earlier as humans moved near the equator
Question
The most common way that living organisms maintain homeostasis is by negative feedback mechanisms.
Question
The type of cell that produces fine fibers of collagen in cartilage is an osteocyte.
Question
All connective tissues except blood contain fibroblasts.
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Deck 24: Animal Tissues, organ Systems and Homeostasis
1
The eye contains nerves,muscles,and blood cells.It is defined as which of the following?

A)Organ
B)Tumor
C)Organ system
D)Tissue
A
2
The study of an organism's structure is:

A)Physiology
B)Kinesiology
C)Endocrinology
D)Anatomy
E)Immunology
D
3
The different types of animal tissue include:

A)Epithelial tissue
B)Connective tissue
C)Muscle tissue
D)Nervous tissue
E)All are correct
E
4
The type of connective tissue that consists of chondrocytes is:

A)Bone
B)Adipose
C)Cartilage
D)Dense connective
E)Blood
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5
The germ layer called the mesoderm develops into:

A)Skin
B)Nervous system
C)Liver
D)Lungs
E)Muscles
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6
The germ layer called the ectoderm develops into:

A)Muscles
B)Liver
C)Lungs
D)Bone
E)Skin
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7
The type of epithelial tissue that forms a single layer of flattened cells is:

A)Stratified squamous
B)Simple cuboidal
C)Simple columnar
D)Simple squamous
E)Stratified columnar
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8
The study of the function of all of the body's parts is:

A)Anatomy
B)Physiology
C)Pathology
D)Histology
E)Genetics
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9
The tissue type that functions in acting as a lining or covering of organs and absorption,gas diffusion,and secretion is:

A)Connective
B)Nervous
C)Muscle
D)Epithelial
E)All are correct
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10
The type of epithelial tissue that forms a multiple layer of flattened cells is:

A)Stratified squamous
B)Simple squamous
C)Simple cuboidal
D)Simple columnar
E)Stratified columnar
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11
Collagen and elastin are:

A)Fibrous proteins secreted by fibroblasts
B)Secreted by fibroblasts
C)Enzymes
D)Enzymes secreted by fibroblasts
E)Fibrous proteins
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12
The germ layer called the endoderm develops into:

A)Skin
B)Nervous system
C)Liver
D)Bone
E)Muscles
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13
The only type of connective tissue in which fibroblasts do not secrete collagen is:

A)Bone
B)Blood
C)Cartilage
D)Adipose
E)Loose connective
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14
The tissue type that functions in providing support,transport,and insulation is:

A)Epithelial
B)Connective
C)Nervous
D)Muscle
E)All are correct
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15
The tissue type that functions in receiving,processing,and transmitting information by providing a communication network among cells is:

A)Epithelial
B)Connective
C)Nervous
D)Muscle
E)All are correct
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16
The type of connective tissue that store lipids in fat cells is:

A)Bone
B)Cartilage
C)Adipose
D)Dense connective
E)Blood
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17
The type of epithelial tissue that forms a single layer of cube-shaped cells is:

A)Simple squamous
B)Simple cuboidal
C)Stratified cuboidal
D)Simple columnar
E)Stratified columnar
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18
The tissue type that functions in providing contractions that power movement is:

A)Epithelial
B)Connective
C)Muscle
D)Nervous
E)All are correct
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19
The type of epithelial tissue that forms a single layer of elongated cells is:

A)Stratified cuboidal
B)Simple squamous
C)Stratified squamous
D)Stratified columnar
E)Simple columnar
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20
Groups of cells that interact and provide a specific function are defined as which of the following?

A)Organ system
B)Organ
C)Tissue
D)Tumor
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21
Muscle tissue that is under voluntary control and contains cells with many nuclei is:

A)Cardiac
B)Skeletal
C)Smooth
D)Cartilage
E)Squamous
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22
Cancers that arise in epithelial tissue are termed:

A)Carcinomas
B)Leukemias
C)Sarcomas
D)Hybridomas
E)Lymphomas
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23
Neuroglia cells that have lipid rich cell membranes and form insulating sheaths of myelin are:

A)Adipocytes
B)Erythrocytes
C)Islets of Langerhans
D)Schwann cells
E)Mucous cells
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24
The systems that work together to protect the body are:

A)Nervous and endocrine
B)Skeletal and muscular
C)Digestive, respiratory, and circulatory
D)Integumentary, immune, and urinary
E)Reproductive and respiratory
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25
Cancers that arise in tissues that give rise to blood are termed:

A)Melanomas
B)Lymphomas
C)Sarcomas
D)Carcinomas
E)Hybridomas
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26
The systems that support and move the body are:

A)Skeletal and muscular
B)Nervous and endocrine
C)Circulatory and respiratory
D)Digestive and circulatory
E)Urinary and immune
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27
The systems that work together to acquire energy are:

A)Nervous and endocrine
B)Skeletal and muscular
C)Digestive, respiratory, and circulatory
D)Reproductive and integumentary
E)Urinary and immune
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Unlock for access to all 83 flashcards in this deck.
Unlock Deck
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28
An action that counters an existing condition is:

A)Termed negative feedback
B)A mistake
C)Termed positive feedback
D)Termed directional control
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Unlock Deck
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29
Protein filaments that function in muscular contraction are:

A)Keratin and actin
B)Myosin and collagen
C)Elastin and collagen
D)Actin and myosin
E)Elastin and keratin
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k this deck
30
The hormone that stimulates the uptake of glucose by cells is:

A)Glucagon
B)Estrogen
C)Insulin
D)Ethylene
E)Progesterone
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Unlock for access to all 83 flashcards in this deck.
Unlock Deck
k this deck
31
Muscle tissue that is controlled involuntarily and has no striations is:

A)Smooth
B)Cardiac
C)Skeletal
D)Cartilage
E)Squamous
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k this deck
32
A type of gland that secretes an oily substance that softens and protects hair is a(an):

A)Salivary gland
B)Mammary gland
C)Sweat gland
D)Sebaceous gland
E)Endocrine gland
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Unlock for access to all 83 flashcards in this deck.
Unlock Deck
k this deck
33
The primary function of muscle tissue is:

A)Contraction
B)Absorption
C)Secretion
D)Impulse transmission
E)Compression
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Unlock Deck
k this deck
34
Cancers that arise in muscle tissue are termed:

A)Melanomas
B)Carcinomas
C)Hybridomas
D)Lymphomas
E)Sarcomas
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Unlock Deck
k this deck
35
The type of connective tissue that is composed of osteocytes is:

A)Cartilage
B)Bone
C)Adipose
D)Blood
E)Loose connective
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Unlock Deck
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36
Turning up the temperature setting in a room that feels cold,causing a heater to turn on is an example of the principle of:

A)Homeostasis
B)Positive feedback
C)Negative feedback
D)Directional control
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Unlock Deck
k this deck
37
The tissue that makes up the spinal cord and brain consist of:

A)Neurons and adipocytes
B)Platelets and neuroglia
C)Platelets and adipocytes
D)Neurons and platelets
E)Neurons and neuroglia
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38
The systems that coordinate communication are:

A)Skeletal and muscular
B)Circulatory and respiratory
C)Nervous and endocrine
D)Digestive and circulatory
E)Urinary and immune
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Unlock Deck
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39
If the temperature of the skin is too low or too high this information is conveyed to an area of the brain called the:

A)Cerebellum
B)Hypothalamus
C)Cerebrum
D)Medulla oblongata
E)Spinal cord
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40
The body's first line of defense against disease-causing microorganisms is:

A)The white blood cells
B)The process of phagocytosis
C)The production of antibodies
D)The production of T lymphocytes
E)The intact skin
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Unlock for access to all 83 flashcards in this deck.
Unlock Deck
k this deck
41
Rickets is caused by vitamin D deficiency.Which organ systems are interacting in this process?

A)Circulatory and muscular
B)Muscular and skeletal
C)Skeletal and integumentary
D)Endocrine and muscular
E)Endocrine and circulatory
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42
If the concentrations of salts are too high,which of the following would occur?

A)The hypothalamus would signal the kidney to release more salt into the urine
B)The hypothalamus would signal the kidney to absorb more salt from the urine
C)The pituitary would signal the kidney to release more salt into the urine
D)The pituitary would signal the kidney to release absorb more salt from the urine
E)The liver would signal the kidney to release absorb more salt from the urine
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43
Blood flow is increased by vasodilation,or widening of the blood vessel.Which tissue is responsible for vasodilation?

A)Epithelial
B)Connective
C)Muscle
D)Nervous
E)Endocrine
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44
The liver produces 90% of the cholesterol in your body,much of it transported in the blood as low density lipoporotein (LDL).When the levels of blood LDL increase,an enzyme in the liver that makes cholesterol is inhibited.This is an example of which of the following?

A)Positive feedback
B)Endocrine feedback
C)Nervous feedback
D)Negative feedback
E)Hormonal feedback
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45
The simple squamous cells found in the glomeruli would have which function?

A)Secrete and propel mucus
B)Secrete and absorb substances
C)Protect areas subject to abrasion
D)Secrete hormones
E)Allow exchange of substances by diffusion and osmosis
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46
One way humans maintain body temperature is by increasing blood flow to the skin and sweating.Which organ systems are interacting in this process?

A)Circulatory and muscular
B)Muscular and integumentary
C)Endocrine and muscular
D)Circulatory and integumentary
E)Endocrine and circulatory
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47
Our cells use vitamin C to make collagen.People on a vitamin C deficient diet have increased risk of small blood vessels rupturing.Which of the following is the best explanation for this observation?

A)Collagen is the connective tissue in blood
B)Collagen weakens the cells lining blood vessels
C)Collagen is in the connective tissue surrounding blood vessels
D)Collagen causes blood vessels to become stiff and more likely to break
E)Collagen inhibits blood clotting
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48
Patients with muscular dystrophy have decreased voluntary motion,while involuntary motions remain normal.Which tissues are affected by muscular dystrophy?

A)Skeletal and cardiac muscle
B)Cardiac muscle
C)Skeletal muscle
D)Cardiac and smooth muscle
E)Smooth muscle
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49
In asthma,repeated bouts of inflammation results in a change in structure of the cells lining the bronchi from ciliated pseudostratified columnar to stratified squamous.Which of the following would be a symptom of asthma?

A)Difficulty exchanging gases across the bronchi
B)Increased risk of infection
C)Increased flexibility in the bronchi
D)Difficulty moving mucus out of the airway
E)Increased mucous production
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50
What would happen to the drug dealer's blood pH and osmolarity (level of salts)?

A)Osmolarity and pH would both decrease
B)Osmolarity would decrease and pH would increase
C)Osmolarity would increase and pH would decrease
D)Osmolarity and pH would both increase
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51
Why would the drug dealer's urea and potassium levels in the blood be elevated?

A)They could not be absorbed from the urine
B)More potassium and urea were being produced by the kidneys
C)The kidneys could not break down the potassium and urea in the blood
D)The kidneys could not secrete urea or potassium into the blood
E)They could not pass into the urine
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52
Marfan Syndrome is an inherited disorder in which patients have very flexible joints and weakened blood vessels.A deficiency in which of the following would be consistent with both symptoms?

A)Elastin
B)Collagen
C)Minerals
D)Plasma
E)Adipocytes
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53
The simple cuboidal cells found in the tubules would have which function?

A)Allow exchange of substances by diffusion and osmosis
B)Protect areas subject to abrasion
C)Secrete and absorb substances
D)Secrete hormones
E)Secrete and propel mucus
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54
When a blood clot begins to form,the enzyme thrombin is formed.Thrombin then activates the enzymes that produce more thrombin.This is an example of which of the following?

A)Negative feedback
B)Positive feedback
C)Endocrine feedback
D)Nervous feedback
E)Hormonal feedback
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55
Blood vessels are lined by a single layer of flattened cells.Which type of cells line a blood vessel?

A)Stratified squamous
B)Simple cuboidal
C)Simple squamous
D)Simple columnar
E)Pseudostratified columnar
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56
A physician is concerned because a patient is showing signs of slowed nerve impulse transmission.This symptom could likely be caused by damage to:

A)The myelin sheath
B)Leukocytes
C)Epithelial cells
D)Adipocytes
E)Chondrocytes
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57
Which tissue within skin is responsible for producing sweat?

A)Epithelial
B)Connective
C)Muscle
D)Nervous
E)Endocrine
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58
A traditional tattoo injects ink into the lower layers of the skin.Which of the following would be true of this tattoo?

A)It would be temporary because dermal cells are constantly replaced.
B)It would be temporary because epidermal cells are constantly replaced.
C)It would be permanent because dermal cells are not replaced.
D)It would be permanent because epidermal cells are not replaced.
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59
A henna tattoo stains the surface of the skin.Which of the following would be true of this tattoo?

A)It would be temporary because epidermal cells are constantly replaced.
B)It would be permanent because epidermal cells are not replaced.
C)It would be permanent because dermal cells are not replaced.
D)It would be temporary because dermal cells are constantly replaced.
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60
Scleroderma is an autoimmune disease in which repeated bouts of inflammation result in fibroblasts depositing collagen in the skin.Which of the following would be a symptom of scleroderma?

A)Increased blood flow to the skin
B)Increased flexibility in the skin
C)Change in the skin cell type from squamous to columnar
D)Change in the skin cell type from columnar to squamous
E)Less flexibility in the skin
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61
Epithelial tissues never have a free surface exposed to a space inside the body.
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62
Why isn't protection from skin cancer a good explanation for the selective advantage of producing melanin?

A)Because skin cancer is not fatal
B)Because skin cancer does not affect vitamin levels
C)Because skin cancer doesn't affect reproductive success
D)Because skin cancer is not passed on to offspring
E)Because skin cancer is not caused by UV light
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63
Melanin is produced in which of the following tissue types?

A)Epithelial
B)Connective
C)Muscle
D)Nervous
E)Endocrine
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64
An organ is defined as consisting of two or more interacting tissues.
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65
Why is dark skin more prevalent in people whose ancestors were from lower latitudes near the equator?

A)Increased melanin prevents the breakdown of vitamin D, but enough light is available to make folic acid
B)Increased melanin prevents the breakdown of folic acid and vitamin D
C)Increased melanin prevents skin cancer
D)Increased melanin prevents the breakdown of folic acid, but enough light is available to make vitamin D
E)Increased melanin prevents skin cancer and protects vitamin D
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66
What is the primary function of melanin?

A)Increasing light absorption
B)Decreased water loss
C)Increased muscle strength
D)Absorption of UV light
E)Increased synthesis of vitamins
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67
The most common way that living organisms maintain homeostasis is by positive feedback mechanisms.
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68
The state of internal constancy maintained by living organisms is homeostasis.
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69
Which of the following is true of vitamin D and folic acid for a human?

A)They cannot be synthesized enough to meet a person's demand
B)They cannot be synthesized at all by the human body
C)They must be consumed in the diet
D)They are both used to regulate calcium uptake by the bone
E)Enough can be synthesized by the body to meet a person's demand
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70
Damage to the myelin sheath of a neuron may slow or even stop nerve impulse transmission.
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71
UV light _____ folic acid.

A)Increases the body's production of
B)Destroys
C)Contains
D)Has no effect on
E)Produces
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72
Cancer is a disease of the cell cycle.
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73
At the same latitude,a person with dark skin would have which levels of folic acid and vitamin D relative to a person with light skin?

A)Folic acid and vitamin D levels would be the same in both
B)Increase in both folic acid and vitamin D
C)Decreased folic acid and increased vitamin D
D)Decrease in both folic acid and vitamin D
E)Increased folic acid and decreased vitamin D
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74
Skin color in a population is an example of which of the following?

A)Directional selection
B)Artificial selection
C)Stabilizing selection
D)Disruptive selection
E)Sexual selection
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75
A tissue is defined as a group of interacting cells that provide a specific function.
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76
Angiogenesis inhibitors might be administered to a patient if a patient has cancer.
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77
Why is light skin more prevalent in people whose ancestors were from higher latitudes far from the equator?

A)Decreased melanin promotes the synthesis of folic acid, but the low light available does not destroy vitamin D
B)Decreased melanin promotes the synthesis of folic acid and vitamin D
C)Decreased melanin promotes the synthesis of vitamin D, but the low light available does not destroy folic acid
D)Melanin is not needed given the low level of light and requires energy to produce
E)Our common human ancestors had light skin, and dark skin arose earlier as humans moved near the equator
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78
The most common way that living organisms maintain homeostasis is by negative feedback mechanisms.
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79
The type of cell that produces fine fibers of collagen in cartilage is an osteocyte.
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80
All connective tissues except blood contain fibroblasts.
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