Deck 5: Integumentary System

Question 1

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

Answer 1

a,b,c,d,e

Question 2

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

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

Answer 2

E

Question 3

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

Answer 3

a,b,c,d

Question 4

Another name for the skin is the _________ membrane.

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

Question 5

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 6

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 0.4 to 0.6 millimeters
D: Thickness ranges from 0.075 to 0.15 millimeters
E: Has sebaceous glands
F: Has sweat glands

A)a,c,e
B)a,b,d,e
C)a,c,e,f
D)a,d,f
E)a,c,f

Question 7

Tactile (Merkel)cells are sensitive to

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

Question 8

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 9

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

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

Question 10

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 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

Which is not a function of the integument?

A)Protection
B)Water loss prevention
C)Temperature regulation
D) Synthesis of vitamin D₃
E)No exceptions; all are functions of the integument.

Question 13

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

A)a,b,d
B)a,c,d
C)a,d
D)a,b,c
E)b,c,d

Question 14

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 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

Which is the result of oxygen deficiency in the blood?

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

Question 18

Which skin markings usually disappear during childhood?

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

Question 19

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 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 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 22

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

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

Question 23

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 24

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 25

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 26

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 27

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 28

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 29

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 30

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 31

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 32

The growth rate for a scalp hair is about _______ per day for 18 months to 7 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 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

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 35

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 36

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

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

Question 37

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

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

Question 38

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 39

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 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

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 42

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

Question 43

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

Question 44

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

Question 45

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 46

-Number 5 indicates a(n)

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

Question 47

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

Question 48

-Which number indicates the reticular layer of the dermis?

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

Question 49

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 50

-Which number indicates a dermal papilla?

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

Question 51

-Which number indicates an apocrine sweat gland?

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

Question 52

-Which number indicates a hair follicle?

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

Question 53

-Which number indicates the eponychium?

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

Question 54

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

Question 55

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

Question 56

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

Question 57

-Number 1 is pointing to the

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

Question 58

-Which number indicates the lunula?

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

Question 59

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 60

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

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

Question 61

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

Question 62

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

Question 63

Dermal papillae are more superficial than epidermal ridges.

Question 64

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

Question 65

Another name for sweating is ________ perspiration.

Question 66

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

Question 67

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

Question 68

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

Question 69

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

Question 70

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

Question 71

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

Question 72

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

Question 73

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

Question 74

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

Question 75

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

Question 76

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

Question 77

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

Question 78

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

Question 79

The sebaceous gland secretion called sebum has bactericidal properties.

Question 80

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