Essentials of Anatomy & Physiology 6th Edition By Scanlon - Sanders - Test Bank

Essentials of Anatomy & Physiology 6th Edition By Scanlon – Sanders – Test Bank

 

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Sample Questions Are Posted Below

 

Chapter 5 (MC): The Integumentary System

 

MULTIPLE CHOICE

 

1. The part of the integumentary system that prevents entry of pathogens is the:

a.	epidermis	c.	subcutaneous tissue
b.	dermis	d.	eccrine glands

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 1

 

2. The part of the integumentary system that contains sweat glands and sensory receptors is the:

a.	epidermis	c.	subcutaneous tissue
b.	dermis	d.	mucous membrane

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 1

 

3. The part of the integumentary system that connects the skin to the muscles is the:

a.	epidermis	c.	subcutaneous tissue
b.	dermis	d.	mucous membrane

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 1

 

4. Which statement is NOT true of the integumentary system?

a.	It consists of the skin and subcutaneous tissue.
b.	It covers the body.
c.	Some glands are part of this system.
d.	It permits the entry of water to maintain body temperature.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 1

 

5. The epidermis is the ___ layer of the skin and is made of ___ tissue.

a.	outer/stratified squamous epithelial	c.	outer/fibrous connective
b.	inner/stratified squamous epithelial	d.	inner/fibrous connective

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 2

 

6. The dermis is the ___ layer of the skin and is made of ___ tissue.

a.	outer/stratified squamous epithelial	c.	outer/fibrous connective
b.	inner/stratified squamous epithelial	d.	inner/fibrous connective

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 2

 

7. The layer of the skin that is made of stratified squamous epithelium is the:

a.	dermis
b.	subcutaneous layer
c.	epidermis
d.	None of these layers is made of this tissue.

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 2

 

8. The layer of the skin that is made of fibrous connective tissue is the:

a.	dermis
b.	subcutaneous layer
c.	epidermis
d.	None of these layers is made of this tissue.

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 2

 

9. The outer layer of the skin is the ___, and the inner layer of the skin is the ___.

a.	dermis/superficial fascia	c.	dermis/epidermis
b.	epidermis/dermis	d.	epidermis/superficial fascia

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 2

 

10. The major proteins of the dermis are:

a.	keratin and collagen	c.	melanin and elastin
b.	collagen and melanin	d.	elastin and collagen

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 2

 

11. Collagen and elastin are the major proteins of the:

a.	epidermis
b.	dermis
c.	both A and B
d.	both A and B, and the subcutaneous tissue

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 2

 

12. The protein that provides strength to the dermis is:

a.	keratin	c.	elastin
b.	collagen	d.	All of these provide strength.

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 2

 

13. The protein that enables the dermis to stretch and recoil is:

a.	keratin
b.	collagen
c.	elastin
d.	All of these permit stretching and recoiling.

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 2

 

14. The part of a cow’s integument that we know as leather is the:

a.	epidermis	c.	subcutaneous tissue
b.	dermis	d.	all of these

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 2

 

15. Which statement is NOT true of the skin?

a.	Collagen provides strength to the epidermis.
b.	The epidermis is the outer layer.
c.	Stratified squamous epithelium forms the epidermis.
d.	The dermis is external to the subcutaneous tissue.

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 2

 

16. In the skin, mitosis takes place continuously in the:

a.	stratum germinativum	c.	both of these
b.	stratum corneum	d.	neither of these

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 3

 

17. In the skin, mitosis takes place continuously in the:

a.	stratum corneum, to produce new epidermis
b.	stratum corneum, to produce new dermis
c.	stratum germinativum, to produce new dermis
d.	stratum germinativum, to produce new epidermis

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 3

 

18. The primary function of the stratum germinativum is:

a.	osmosis	c.	absorption
b.	mitosis	d.	protection

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 3

 

19. The primary function of the stratum germinativum is:

a.	osmosis to prevent water loss	c.	osmosis to contribute to sweating
b.	mitosis to produce new dermis	d.	mitosis to produce new epidermis

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 3

 

20. Defensive cells in the integumentary system include subcutaneous WBCs and:

a.	Langerhans cells in the epidermis	c.	melanocytes in the epidermis
b.	adipocytes in the dermis	d.	keratinocytes in the dermis

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 3

 

21. The Langerhans cells of the integumentary system are important for:

a.	skin coloration
b.	defense against pathogens
c.	detecting changes in the external environment
d.	repair of minor breaks in the skin

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 3

 

22. The cells in the epidermis that are capable of phagocytosis are:

a.	Langerhans cells	c.	melanocytes
b.	keratinocytes	d.	Merkel cells

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 3

 

23. Which statement is NOT true of the epidermis?

a.	Meiosis takes place in the stratum germinativum.
b.	The cells die as they are pushed toward the surface.
c.	Langerhans cells bring pathogens to lymph nodes.
d.	The epidermis has no capillaries of its own, and must rely on those of the dermis.

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 3

 

24. The functions of the stratum corneum include all of these except:

a.	prevention of water loss
b.	prevention of sunburn
c.	prevention of the entry of water
d.	prevention of the entry of bacteria and chemicals

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 4

 

25. Prevention of water loss is a function of the:

a.	stratum germinativum	c.	stratum corneum
b.	dermis	d.	subcutaneous tissue

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 4

 

26. Prevention of the entry of pathogens is a function of the:

a.	stratum corneum	c.	dermis
b.	stratum germinativum	d.	subcutaneous tissue

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 4

 

27. The stratum corneum is made of layers of cells that:

a.	undergo mitosis	c.	are producing collagen
b.	are producing keratin	d.	are dead

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 4

 

28. The protein in the epidermis that prevents water loss is:

a.	melanin	c.	collagen
b.	keratin	d.	elastin

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 4

 

29. The function of keratin is to:

a.	prevent the entry of water
b.	prevent the entry of pathogens
c.	both A and B
d.	both A and B, and prevent the loss of water

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 4

 

30. Which statement is NOT true of the stratum corneum?

a.	The cells are called keratinocytes.
b.	Keratin prevents movement of most water in or out.
c.	The stratum corneum is made of one layer of dead cells.
d.	The cells die after they produce keratin.

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 3

 

31. Melanocytes produce ___ when stimulated by ___.

a.	melanin/UV rays	c.	melanin/pressure
b.	keratin/pressure	d.	keratin/UV rays

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 5

 

32. Ultraviolet rays of the sun stimulate production of ___ in the skin.

a.	keratin	c.	melanin
b.	collagen	d.	all of these

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 5

 

33. The function of melanin is to protect living skin layers from more:

a.	pressure	c.	UV rays
b.	friction	d.	color

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 5

 

34. Melanin gives color to the epidermis, and also to the:

a.	hair	c.	both A and B
b.	iris of the eye	d.	both A and B, and to the dermis

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 5

 

35. The cells that produce pigment for the skin and hair are called:

a.	fibroblasts	c.	squamous cells
b.	melanocytes	d.	dermal cells

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 5

 

36. The activity of melanocytes is determined by:

a.	genetics
b.	exposure to the sun
c.	both A and B
d.	both A and B, and by the helper keratinocytes

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 5

 

37. Which statement is NOT true of melanocytes?

a.	They are found in the epidermis.
b.	They give color to the hair and nails.
c.	The melanin they produce protects living skin from UV rays.
d.	The production of melanin is, in part, a genetic characteristic.

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 5

 

38. A hair follicle:

a.	has its base in the dermis
b.	has a hair root at its base
c.	both A and B
d.	both A and B, and has a pilomotor muscle that can pull the follicle upright

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 6

 

39. Which of these is NOT a function of human hair?

a.	keeping dust out of the eyes	c.	insulating the head from cold
b.	insulating the hands from cold	d.	keeping dust out of the nasal passages

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 6

 

40. Which statement is NOT true of human hair?

a.	The hair root undergoes mitosis.
b.	A hair is formed in a structure called a follicle.
c.	All human hair grows continuously.
d.	The hair shaft is made of keratin.

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 6

 

41. A nail follicle:

a.	has its base in the dermis
b.	has a nail root that undergoes mitosis
c.	has cells that produce keratin before they die
d.	all of these

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 7

 

42. Which statement is NOT true of human nails?

a.	They are formed in follicles.
b.	They protect the ends of the fingers and toes from mechanical injury.
c.	They enable the fingers to pick up small objects.
d.	The visible part of the nail is made of collagen.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 7

 

43. All of the following are made of keratin except the:

a.	pigment of the skin	c.	stratum corneum
b.	fingernails and toenails	d.	hair shafts

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 7

 

44. Which statement is NOT true of the cutaneous senses?

a.	Most of the receptors are in the dermis of the skin.
b.	Cutaneous senses provide information about changes in the external environment.
c.	The receptors for pressure are encapsulated nerve endings.
d.	The fingertips are very sensitive to touch because there are few receptors there.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 8

 

45. The cutaneous receptors for pain are:

a.	free nerve endings in the dermis
b.	free nerve endings of Langerhans cells
c.	encapsulated nerve endings in the dermis
d.	encapsulated nerve endings in the epidermis

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 8

 

46. Encapsulated nerve endings in the skin are the receptors for:

a.	touch, pressure, and pain	c.	touch and pressure
b.	heat, cold, pressure, and pain	d.	cold and pain

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 8

 

47. Free nerve endings in the skin are the receptors for:

a.	pressure, pain, and itch	c.	touch, pressure, and pain
b.	pain, cold, and pressure	d.	heat, cold, itch, and pain

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 8

 

48. The cutaneous receptors may be stimulated internally by:

a.	the chickenpox virus	c.	both A and B
b.	a mosquito bite	d.	both A and B, and by poison ivy

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 8

 

49. Drying of the skin and hair is prevented by:

a.	serous fluid from serous glands	c.	cerumen from ceruminous glands
b.	sebum from sebaceous glands	d.	sweat from apocrine glands

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 9

 

50. A function of sebum is to:

a.	promote osmosis	c.	prevent mechanical injury
b.	nourish the stratum corneum	d.	prevent drying of the skin and hair

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 9

 

51. The growth of bacteria on the skin surface is inhibited by:

a.	keratin	c.	sebum
b.	sweat	d.	melanin

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 9

 

52. The function of sebum is to:

a.	inhibit the growth of bacteria on the skin
b.	prevent drying of the skin
c.	both A and B
d.	both A and B, and help permit gripping by the palms

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 9

 

53. Drying of the eardrum is prevented by:

a.	serous fluid from serous glands	c.	cerumen from ceruminous glands
b.	sebum from sebaceous glands	d.	sweat from apocrine glands

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 9

 

54. The function of cerumen is to:

a.	prevent drying of the eardrum	c.	permit gripping by the palms
b.	prevent drying of the hair	d.	prevent friction on the skin

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 9

 

55. Which statement is NOT true of the glands of the skin?

a.	Their secretory portions are found in the dermis.
b.	Apocrine glands are found in the axillae.
c.	Only the sebaceous glands have ducts.
d.	Ceruminous glands are found in the skin of the ear canal.

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 9

 

56. The glands in the dermis that are most important for temperature regulation are the:

a.	apocrine glands	c.	serous glands
b.	sebaceous glands	d.	eccrine glands

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 10

 

57. The process by which sweating promotes loss of excess body heat is:

a.	osmosis of sweat	c.	secretion of sweat
b.	evaporation of sweat	d.	filtration of sweat

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 10

 

58. A potentially serious consequence of profuse sweating is:

a.	a fever	c.	an abnormally low body temperature
b.	dehydration	d.	an infection

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 10

 

59. Which statement is NOT true of eccrine sweat glands?

a.	They are activated only by external warmth.
b.	They are numerous in the palms and soles.
c.	Their secretory portions are coiled tubes.
d.	Excessive sweating may lead to dehydration.

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 10

 

60. In a warm environment, the arterioles in the dermis will:

a.	dilate to lose heat	c.	constrict to conserve heat
b.	constrict to lose heat	d.	dilate to conserve heat

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 11

 

61. In a cold environment, the arterioles in the dermis will:

a.	dilate to lose heat	c.	constrict to conserve heat
b.	constrict to lose heat	d.	dilate to conserve heat

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 11

 

62. Vasodilation in the dermis is important to:

a.	increase heat loss in a warm environment
b.	conserve heat in a warm environment
c.	increase heat loss in a cold environment
d.	conserve heat in a cold environment

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 11

 

63. Vasoconstriction in the dermis is important to:

a.	increase heat loss in a warm environment
b.	conserve heat in a warm environment
c.	increase heat loss in a cold environment
d.	conserve heat in a cold environment

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 11

 

64. Blood flow through the dermis of the skin is:

a.	increased by vasodilation in hot weather
b.	decreased by vasodilation in cold weather
c.	increased by vasoconstriction in cold weather
d.	decreased by vasoconstriction in hot weather

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 11

 

65. Blood flow through the dermis of the skin is increased by:

a.	vasoconstriction in cold weather	c.	vasodilation in hot weather
b.	vasoconstriction in hot weather	d.	vasodilation in cold weather

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 11

 

66. Blood flow through the dermis of the skin is decreased by:

a.	vasoconstriction in cold weather	c.	vasodilation in hot weather
b.	vasoconstriction in hot weather	d.	vasodilation in cold weather

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 11

 

67. In a stressful situation, the arterioles in the dermis will:

a.	dilate to keep blood in the skin for sweating
b.	constrict to permit blood to flow to more vital organs
c.	dilate to permit blood to flow to more vital organs
d.	constrict to prevent sweating

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 11

 

68. Which statement is NOT true of the arterioles in the dermis?

a.	Vasodilation increases blood flow.
b.	Vasoconstriction occurs in cold weather.
c.	Vasodilation occurs in stress situations.
d.	Vasoconstriction decreases blood flow.

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 11

 

69. The vitamin produced in the skin is:

a.	vitamin D, made from cholesterol	c.	vitamin D, made from keratin
b.	vitamin C, made from keratin	d.	vitamin C, made from cholesterol

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 12

 

70. When UV rays strike the skin, these substances are produced:

a.	vitamin C and melanin	c.	vitamin C and keratin
b.	vitamin D and keratin	d.	vitamin D and melanin

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 12

 

71. The stimulus for the production of vitamin D in the skin is:

a.	heat	c.	pressure
b.	friction	d.	ultraviolet rays

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 12

 

72. Cholesterol in the skin is important for the synthesis of:

a.	keratin	c.	melanin
b.	vitamin D	d.	vitamin C

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 12

 

73. Vitamin D is produced in the skin from ___, and promotes absorption of ___ in the small intestine.

a.	keratin/sodium	c.	cholesterol/calcium
b.	melanin/iron	d.	collagen/calcium

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 12

 

74. Superficial fascia is another name for the:

a.	integumentary system	c.	dermis
b.	epidermis	d.	subcutaneous tissue

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 13

 

75. The subcutaneous tissue that contains WBCs to destroy pathogens that enter breaks in the skin is:

a.	areolar connective tissue	c.	stratified squamous epithelium
b.	fibrous connective tissue	d.	simple squamous epithelium

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 13

 

76. The subcutaneous tissue that stores potential energy is:

a.	areolar connective tissue	c.	elastic connective tissue
b.	fibrous connective tissue	d.	adipose tissue

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 13

 

77. Subcutaneous adipose tissue has all of these functions except:

a.	cushioning of some bones	c.	storing excess, or potential, energy
b.	providing some insulation from cold	d.	producing collagen fibers

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 13

 

78. The subcutaneous tissue is made of:

a.	squamous epithelium and areolar connective tissue
b.	adipose tissue and smooth muscle
c.	squamous epithelium and smooth muscle
d.	areolar connective tissue and adipose tissue

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 13

 

79. Adipose tissue that cushions some bones is found in the:

a.	epidermis	c.	subcutaneous tissue
b.	dermis	d.	fibrous connective tissue

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 13

 

80. Which statement is NOT true of the subcutaneous tissue?

a.	It is found between the dermis and the muscles.
b.	Areolar connective tissue contains many RBCs.
c.	Adipose tissue stores potential energy.
d.	It provides a little insulation from cold.

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 13