Question 1

Figure 5-1 The General Structure of the Integumentary System
Use Figure 5-1 for the following questions:
-Which layer of the diagram identifies the area where a hypodermic needle would be placed for an injection of a drug?

Accepted Answer

A)   A
B)   B
C)   C
D)   N
E)   KF) C) and E)
G) A) and B)

Question 2

A burn that destroys only the superficial cells of the epidermis,such as a mild sunburn,is classified as

Accepted Answer

A)   first-degree.
B)   second-degree.
C)   third-degree.
D)   fourth-degree.
E)   full-thickness.F) C) and E)
G) None of the above

Question 3

Hair is formed by the repeated divisions of epithelial stem cells in which structure?

Accepted Answer

A)   hair root
B)   cuticle of the hair
C)   medulla of the hair
D)   cortex of the hair
E)   hair matrixF) D) and E)
G) A) and E)

Question 4

The highly vascular layer of the skin,which provides thermoregulation via changing blood flow,is the

Accepted Answer

A)   epidermis.
B)   subcutaneous layer.
C)   stratum basale.
D)   stratum corneum.
E)   dermis.F) A) and D)
G) B) and D)

Question 5

Figure 5-1 The General Structure of the Integumentary System
Use Figure 5-1 for the following questions:
-Structure L on the skin diagram is the

Accepted Answer

A)   blood vessel.
B)   skeletal muscle.
C)   ligament.
D)   arrector pili.
E)   hair papilla.F) A) and E)
G) A) and D)

Question 6

Exposure of the skin to ultraviolet light

Accepted Answer

A)   can result in increased numbers of melanocytes forming in the skin.
B)   can result in decreased melanin production by melanocytes.
C)   can cause destruction of vitamin D₃.
D)   can increase melanocyte activity.
E)   has no effect on the skin cells.F) A) and B)
G) C) and E)

Question 7

The deepest layer of cells in the epidermis is the cells of the

Accepted Answer

A)   stratum corneum.
B)   stratum lucidum.
C)   stratum basale.
D)   stratum granulosum.
E)   stratum spinosum.F) All of the above
G) None of the above

Question 8

Figure 5-4 Glands and Associated Structures
Use Figure 5-4 to answer the following questions:
-Structure D is a(n)

Accepted Answer

A)   endocrine gland.
B)   sebaceous gland.
C)   merocrine gland.
D)   apocrine gland.
E)   unicellular gland.F) A) and E)
G) All of the above

Question 9

The reticular layer's collagen fibers directly provide which function?

Accepted Answer

A)   prevent damage to the tissue
B)   nourish the epidermis
C)   provide flexibility
D)   provide sensory information
E)   increase surface area of the dermisF) B) and D)
G) C) and D) A

Question 10

A small amount of ultraviolet radiation is beneficial because it

Accepted Answer

A)   increases blood flow in the dermis.
B)   stimulates the synthesis of photoreceptor pigments in the eye.
C)   constricts blood vessels in the dermis.
D)   stimulates vitamin D₃ synthesis in the epidermis.
E)   adjusts overall gland secretion rates in the body.F) A) and B)
G) A) and C)

Question 11

The skin may turn orange as a result of ________ buildup.

Accepted Answer

A)   biliverdin
B)   keratin
C)   carotene
D)   melanin
E)   bilirubinF) C) and E)
G) A) and C)

Question 12

Where is keratin concentration the highest?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) A) and D)
G) B) and C)

Question 13

Through which cellular interactions are the cells of the stratum basale firmly attached to the plasma membrane?

Accepted Answer

A)   gap junctions
B)   CAMs
C)   tight junctions
D)   connexons
E)   hemidesmosomesF) A) and E)
G) B) and C)

Question 14

Perspiration that is produced by apocrine sweat glands

Accepted Answer

A)   is more than 99 percent water.
B)   contains electrolytes and waste products, such as urea.
C)   helps to cool the surface of the skin when it evaporates.
D)   is limited to the hair follicles of the axilla, nipples, and groin.
E)   contains astringent compounds that contract the skin and its sweat gland pores.F) A) and E)
G) A) and B) D

Question 15

The type of burn that injures the hypodermis,deeper tissues,and organs is a

Accepted Answer

A)   first-degree burn.
B)   second-degree burn.
C)   third-degree burn.
D)   partial-thickness burn.
E)   semi-partial-thickness burn.F) A) and D)
G) A) and C)

Question 16

Which of the following is the function of the combination of epidermal ridges and dermal papillae?

Accepted Answer

A)   increase storage of nutrients in the digestive tract
B)   increase surface area for diffusion between the dermis and epidermis
C)   increase sensory reception
D)   increase secretion of milk in specialized integumentary glands
E)   increase large reserves of lipids in adipose tissueF) A) and E)
G) A) and D)

Question 17

You have been severely burned on the right arm in a house fire,but you are now recovering.The second- and third-degree burns have destroyed the epidermis and dermis of your arm.Predict the long-term consequences of this burn.

Accepted Answer

A)   death at an early age
B)   inability to control body temperature
C)   no skin at all will replace the burned area
D)   no growth of hair in the damaged skin area
E)   inability to use the arm in any wayF) A) and D)
G) A) and C)

Question 18

What is the composition of the papillary layer of the dermis?

Accepted Answer

A)   dense, regular connective tissue
B)   stratified squamous epithelium
C)   reticular connective tissue
D)   areolar connective tissue
E)   dense, irregular connective tissueF) B) and E)
G) C) and D)

Question 19

The glands that begin discharging a sticky,cloudy,and potentially odorous secretion at puberty are called ________ glands.

Accepted Answer

A)   ceruminous
B)   mucous
C)   apocrine
D)   sebaceous
E)   merocrineF) B) and E)
G) C) and D) C

Question 20

Thick skin can be found on the

Accepted Answer

A)   back.
B)   palms.
C)   legs.
D)   arms.
E)   chest.F) A) and B)
G) None of the above

Exam 5: The Integumentary System

Figure 5-1 The General Structure of the Integumentary System Use Figure 5-1 for the following questions: -Which layer of the diagram identifies the area where a hypodermic needle would be placed for an injection of a drug?

Correct AnswerverifiedShow Answer

A burn that destroys only the superficial cells of the epidermis,such as a mild sunburn,is classified as

Correct AnswerverifiedShow Answer

Hair is formed by the repeated divisions of epithelial stem cells in which structure?

Correct AnswerverifiedShow Answer

The highly vascular layer of the skin,which provides thermoregulation via changing blood flow,is the

Correct AnswerverifiedShow Answer

Figure 5-1 The General Structure of the Integumentary System Use Figure 5-1 for the following questions: -Structure L on the skin diagram is the

Correct AnswerverifiedShow Answer

Exposure of the skin to ultraviolet light

Correct AnswerverifiedShow Answer

The deepest layer of cells in the epidermis is the cells of the

Correct AnswerverifiedShow Answer

Figure 5-4 Glands and Associated Structures Use Figure 5-4 to answer the following questions: -Structure D is a(n)

Correct AnswerverifiedShow Answer

The reticular layer's collagen fibers directly provide which function?

Correct AnswerverifiedA

A small amount of ultraviolet radiation is beneficial because it

Correct AnswerverifiedShow Answer

The skin may turn orange as a result of ________ buildup.

Correct AnswerverifiedShow Answer

Where is keratin concentration the highest?

Correct AnswerverifiedShow Answer

Through which cellular interactions are the cells of the stratum basale firmly attached to the plasma membrane?

Correct AnswerverifiedShow Answer

Perspiration that is produced by apocrine sweat glands

Correct AnswerverifiedD

The type of burn that injures the hypodermis,deeper tissues,and organs is a

Correct AnswerverifiedShow Answer

Which of the following is the function of the combination of epidermal ridges and dermal papillae?

Correct AnswerverifiedShow Answer

You have been severely burned on the right arm in a house fire,but you are now recovering.The second- and third-degree burns have destroyed the epidermis and dermis of your arm.Predict the long-term consequences of this burn.

Correct AnswerverifiedShow Answer

What is the composition of the papillary layer of the dermis?

Correct AnswerverifiedShow Answer

The glands that begin discharging a sticky,cloudy,and potentially odorous secretion at puberty are called ________ glands.

Correct AnswerverifiedC

Thick skin can be found on the

Correct AnswerverifiedShow Answer

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A

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D

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C

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