Deck 5: Integumentary System

Question 1

Which is the result of oxygen deficiency in the blood?

A)Bronzing
B)Cyanosis
C)Hematoma
D)Jaundice
E)Erythema

Answer 1

B

Question 2

Another name for the skin is the _________ membrane.

A)serous
B)parietal
C)mucous
D)cutaneous
E)visceral

Answer 2

D

Question 3

Which skin markings usually disappear during childhood?

A)Friction ridges
B)Capillary hemangiomas
C)Cavernous hemangiomas
D)Pili
E)Nevi

Answer 3

B

Question 4

Among the uses of the yellow-orange pigment carotene is/are
A: Providing coloration to the skin
B: Acting as a precursor to Vitamin A
C: Reducing the number of potentially dangerous molecules formed during metabolic activity
D: Improving immune cell number
E: Improving immune cell activity

A)A,C,D,E
B)A,B,C,E
C)B,C,E
D)C,D,E
E)A,B,C,D,E

Question 5

The function of melanin in the skin is to

A)reduce water loss.
B)prevent infections.
C)help regulate body temperature.
D)protect against UV light.
E)keep the epidermis soft and pliable.

Question 6

Tactile (Merkel)cells are sensitive to

A)sound.
B)light.
C)touch.
D)heat.
E)cold.

Question 7

Which are applicable to the stratum corneum?
A: Most superficial stratum
B: Consists of about 3-5 cell layers
C: Cells are dead
D: Interlocking keratinized cells called corneocytes
E: Cells are anucleate

A)A,C,D
B)A,C,E
C)A,B,D
D)A,C,D,E
E)A,B,C,D,E

Question 8

Which is not a function of the integument?

A)Protection
B)Water loss prevention
C)Temperature regulation
D)Synthesis of cholecalciferol (vitamin D precursor)
E)No exceptions;all are functions of the integument.

Question 9

Which is the result of increased levels of bilirubin in the blood?

A)Bronzing
B)Cyanosis
C)Pallor
D)Erythema
E)Jaundice

Question 10

Which describes the skin's form and function?

A)A barrier
B)Indicator of health
C)Washable
D)Self-renewing
E)All of the choices are correct

Question 11

From deep to superficial,the order of the strata of the epidermis is

A)basale - spinosum - granulosum - lucidum - corneum.
B)spinosum - granulosum - basale - lucidum - corneum.
C)corneum - lucidum - granulosum - spinosum - basale.
D)basale - granulosum - spinosum - lucidum - corneum.
E)corneum - granulosum - lucidum - spinosum - basale.

Question 12

Freckles are the result of

A)heredity.
B)sun exposure.
C)excessive melanocyte activity.
D)All of the choices are correct.
E)None of the choices are correct.

Question 13

Which actions happen in the stratum granulosum?
A: Keratinization
B: Cell flattening
C: Plasma membranes thicken
D: Plasma membranes become less permeable

A)A,C
B)A,C,D
C)B,C,D
D)C,D
E)A,B,C,D

Question 14

Which are correct concerning thick skin?
A: More limited in its distribution than thin
B: Has only four of the strata
C: Thickness ranges from 400 micrometers to 600 micrometers
D: Thickness ranges from 75 micrometers to 150 micrometers
E: Has sebaceous glands
F: Has sweat glands

A)A,C,E
B)AB,D,E
C)A,C,E,F
D)A,D,F
E)A,C,F

Question 15

The epidermis is a __________ epithelium.

A)keratinized stratified squamous
B)nonkeratinized stratified squamous
C)keratinized stratified cuboidal
D)nonkeratinized stratitified cuboidal
E)transitional

Question 16

Generally,people have ________ number of melanocytes ______________.

A)about the same;no matter where they live
B)a highly variable;irrespective of where they live
C)a lower;if they live in colder climates of the northern hemisphere
D)a higher;if they live in the warmer climates near the equator
E)a higher;if they live in the southern hemisphere

Question 17

Skin color results from a combination of
A: Melanin
B: Hemoglobin
C: Bilirubin
D: Carotene

A)A,B,D
B)A,CD
C)A,D
D)A,B,C
E)B,C,D

Question 18

Among the stimuli detected by the sensory receptors of the skin is

A)heat.
B)cold.
C)pressure.
D)vibration.
E)All of the choices are correct.

Question 19

Epidermal dendritic (Langerhans)cells function as part of the ______ response.

A)immune
B)sensory
C)tanning
D)heating
E)sweating

Question 20

Keratinocytes are

A)the most abundant cell type in the epidermis.
B)found throughout all epidermal strata.
C)sometimes alive and sometimes dead,depending on where found.
D)able to synthesize the protein keratin.
E)All of the choices are correct.

Question 21

The structure responsible for actually pulling on the follicle and causing "goose bumps" is the

A)external root sheath.
B)internal root sheath.
C)epithelial root sheath.
D)arrector pili muscle.
E)papilla.

Question 22

Among the components of the dermis are
A: Sweat glands
B: Hair follicles
C: Collagen fibers
D: Sensory nerve endings
E: Smooth muscle tissue

A)A,B,D
B)A,C,D
C)A,B,D,E
D)A,B,C,E
E)A,B,C,D,E

Question 23

What is the composition of the subcutaneous layer?

A)Adipose connective tissue
B)Areolar connective tissue
C)Dense irregular connective tissue
D)Areolar connective tissue and dense irregular connective tissue
E)Areolar connective tissue and adipose connective tissue

Question 24

The growth rate for a scalp hair is about _______ per day for 2 to 5 years,and then the hair becomes dormant.

A)1.0 mm
B)1.0 cm
C)1/2 mm
D)1/3 mm
E)0.75 mm

Question 25

The actively growing part of the nail is the

A)free edge.
B)nail root.
C)nail bed.
D)nail folds.
E)nail matrix.

Question 26

Which type of hair forms the beard on the faces of males?

A)Terminal
B)Lanugo
C)Vellus
D)Nonpigmented
E)Pilus

Question 27

Which are found in sweat?
A: Water
B: Sodium
C: Metabolites
D: Waste products

A)A,B,C,D
B)A,C,D
C)A,D
D)A,C
E)A,B,D

Question 28

The part of the hair that extends beyond the skin surface is called the

A)shaft.
B)root.
C)bulb.
D)papilla.
E)alopecia.

Question 29

Nails are hard derivatives formed from the stratum ______ of the epidermis.

A)granulosum
B)basale
C)lucidum
D)corneum
E)spinosum

Question 30

Which of these are functions of hair?
A: Sensory reception
B: Heat retention
C: Pheromone dispersal
D: Protection
E: Visual identification

A)A,B,D
B)A,D,E
C)A,D,E.
D)A,B,D,E.
E)A,B,C,D,E

Question 31

Why is the dermis richly innervated?

A)Control of blood flow
B)Control of glandular secretion
C)Sensory reception
D)All of the choices are correct.
E)None of the choices is correct.

Question 32

Blood capillaries that supply the epidermis are located in the

A)dermal papillae.
B)epidermal ridges.
C)friction ridges.
D)epidermis proper.
E)subcutaneous layer.

Question 33

Where on the human body is the hair thick enough to retain heat?

A)Beard
B)Axillary region
C)Nose
D)Pubic region
E)Scalp

Question 34

In which areas do adult females tend to accumulate subcutaneous fat?
A: Breasts
B: Buttocks
C: Hips
D: Thighs
E: Abdomen

A)A,B,E
B)B,C,D
C)C,D,E
D)A,B,C,D

Question 35

There are ______ recognizable zones along the length of a hair.

A)2
B)3
C)4
D)5
E)6

Question 36

The reason a human may be paler when exposed to cold temperatures is

A)vasodilation has occurred.
B)vasoconstriction has occurred.
C)purely psychological.
D)dehydration of the stratum corneum.
E)constriction of the dermal collagen and elastic fibers.

Question 37

The reticular layer of the dermis consists primarily of

A)adipose tissue.
B)muscle.
C)dense irregular connective tissue.
D)nervous tissue.
E)elastic connective tissue.

Question 38

In which areas do adult males tend to primarily accumulate subcutaneous fat?
A: Neck
B: Upper arms
C: Abdomen
D: Lower back
E: Buttocks

A)One of the choices is correct.
B)Two of the choices are correct.
C)Three of the choices are correct.
D)Four of the choices are correct.
E)All of the choices are correct.

Question 39

Which of these comprise the nail plate?
A: Free edge
B: Nail folds
C: Eponchyium
D: Nail root
E: Nail body

A)A,D,E
B)A,B,D,E
C)A,B,C,E
D)A,C,D,E
E)A,B,E

Question 40

Fine hair called _________,which is unpigmented or lightly pigmented,is the primary human hair and is found on the upper and lower limbs.

A)terminal
B)lanugo
C)vellus
D)cuticle
E)phalanx

Question 41

The reason for the reddish tint seen in lightly pigmented skin is the molecule formed by the combination of oxygen and melanin.

Question 42

The secretion of the ceruminous glands forms
A: Cerumen with sebum and exfoliated keratinocytes
B: Cerumen,which is waterproof
C: Cerumen,which traps small insects
D: Cerumen,which lubricates the eardrum
E: Cerumen,which is a pheromone-like compound

A)A,B,D,E
B)A,D,E
C)A,B,C,E
D)A,B,E
E)A,B,C,D

Question 43

Which number indicates an apocrine sweat gland?

A)1
B)2
C)3
D)4
E)5

Question 44

When the body is cold and needs to conserve heat,the blood vessels in the dermis dilate to allow for more blood flow in that region.

Question 45

Number 5 indicates a/an

A)eccrine gland.
B)hair follicle.
C)hair matrix.
D)hair shaft.
E)epidermal ridge.

Question 46

During the development of the fetus,which must be present before hair can form?

A)Hair follicles
B)Vernix caseosa
C)Lanugo
D)Vellus
E)None of these answers are correct as they all will appear after the formation of scalp hair.

Question 47

Which number indicates the reticular layer of the dermis?

A)1
B)2
C)3
D)4
E)5

Question 48

Which number indicates the eponychium?

A)1
B)2
C)3
D)4
E)5

Question 49

The thickness of the skin as a cover is consistent throughout the body.

Question 50

Fingernails and toenails start to form in the ______ week of development.

A)2nd
B)3rd
C)5th
D)10th
E)16th

Question 51

Which number indicates the lunula?

A)1
B)2
C)3
D)4
E)5

Question 52

Melanocyte cytoplasmic processes transfer pigment granules into stratum basale keratinocytes;these pigment granules shield the nuclear DNA from UV radiation.

Question 53

Carotene,a pigment that contributes to skin color,is acquired in the body by eating various yellow-orange vegetables.

Question 54

Which number indicates a hair follicle?

A)1
B)2
C)3
D)4
E)5

Question 55

The epidermis exhibits variations among different body regions within a single individual,as well as differences between individuals.

Question 56

The epidermal dendritic cells are able to play an important immune response role by their phagocytic activity.

Question 57

The skin consists of different tissue types that perform specific activities and therefore is to be considered an organ.

Question 58

Which number indicates a dermal papilla?

A)1
B)2
C)3
D)4
E)5

Question 59

The greatest risk factor for skin cancer is

A)exposure to UV light rays.
B)advanced age.
C)being a female.
D)low skin hydration levels.
E)using excessive sun block.

Question 60

Number 1 is pointing to the

A)eponychium.
B)hyponychium.
C)free edge.
D)cuticle.
E)nail fold.

Question 61

The sebaceous gland secretion called sebum has bactericidal properties.

Question 62

A _______ is a congenital anomaly that results in skin discoloration due to blood vessels that proliferate and form a benign tumor.

Question 63

The scientific study and treatment of the integumentary system is called ________.

Question 64

A ________ is a bruise that is visible through the skin.

Question 65

The ability of the components of the integumentary system to respond to stress or trauma is independent of nervous or endocrine system control.

Question 66

Although sweat and sebaceous glands develop from the stratum basale of the epidermis,they eventually burrow and remain in the underlying dermis.

Question 67

During the fetal period,sebum from the sebaceous glands mixes with the cells of the sloughed off periderm to form the vernix caseosa.

Question 68

Another name for sweating is ________ perspiration.

Question 69

Dermal papillae are more superficial than epidermal ridges.

Question 70

Most of the nail body appears pink because of the blood in the underlying capillaries.

Question 71

During aging of the integumentary system,sweat production increases as a result of improved sweat gland activity.

Question 72

Nails,hair,and sweat and sebaceous glands are all derived from the epidermis.

Question 73

_________ perspiration is the release of water vapor from sweat glands under "normal" conditions when one is not sweating.

Question 74

The stratum basale attaches to an underlying _______ membrane that separates the epidermis from the adjacent dermis.

Question 75

The stratum _______ is only found in thick skin,such as the skin covering the palms and soles.

Question 76

The subcutaneous layer,or hypodermis,is one of the two parts of the integument.

Question 77

A ______,also called a mole,is a harmless,localized overgrowth of melanin-forming cells.

Question 78

The condition in which the skin appears golden brown as a result of Addison Disease is called ________.

Question 79

A surgeon would prefer to do an incision parallel to a cleavage line.

Question 80

The stratum _________ derives its name from the spiny appearance of the "bridges" that connect neighboring cells.