Question 1

In other mammals, the ________ glands function as scent glands, providing an important form of communication.

Accepted Answer

A)   eccrine
B)   sebaceous
C)   apocrine
D)   mammary
E)   merocrineF) B) and C)
G) C) and D)

Question 2

Through which mechanism does perspiration function in cooling the body?

Accepted Answer

A)   conduction
B)   evaporation
C)   convection
D)   radiation
E)   diffusionF) A) and D)
G) A) and B)

Question 3

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) C) and E)

Question 4

The most severe type of skin cancer is most likely to develop from

Accepted Answer

A)   nonpigmented epithelial cells.
B)   melanocytes.
C)   pigmented basal cells.
D)   nonpigmented dermal cells.
E)   keratinocytes.F) B) and C)
G) All of the above

Question 5

Many medications can be administered transdermally by applying patches that contain the medication to the surface of the skin. These patches can be attached anywhere on the skin except the palms of the hands and the soles of the feet. Why?

Accepted Answer

The palms of the hands and the soles of ...

Question 6

The ________ layer of the dermis contains bundles of collagen fibers and elastin, and is responsible for the mechanical strength and flexibility of the skin.

Accepted Answer

A)   germinative
B)   reticular
C)   subcutaneous
D)   papillary
E)   cornealF) A) and D)
G) C) and E)

Question 7

In a condition known as sunstroke, the patient appears flushed, the skin is warm and dry, and the body temperature rises dramatically. Explain these observations based on what is known concerning the role of the skin in thermoregulation.

Accepted Answer

When the body temperature increases, mor...

Question 8

Lipid is concentrated with the cells of the

Accepted Answer

A)   hypodermis.
B)   dermis.
C)   cornified region.
D)   stratum granulosum.
E)   stratum spinosum.F) C) and E)
G) C) and D)

Question 9

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) D) and E)
G) A) and E)

Question 10

Why are injections administered in the hypodermis when administering drugs using a hypodermic needle?

Accepted Answer

A)   There is an abundance of capillaries in the hypodermis.
B)   The hypodermis is highly innervated.
C)   Since it is vascularized, the hypodermis can absorb a lot of fluid.
D)   Both elastic fibers and collagen fibers are present.
E)   The presence of blood vessels and lymphatic vessels help local tissues defend and repair themselves.F) B) and C)
G) D) and E)

Question 11

When the arrector pili muscles contract,

Accepted Answer

A)   "goose bumps" are formed.
B)   hairs are shed.
C)   sweat is released from sweat glands.
D)   shivering occurs.
E)   the skin changes color.F) B) and D)
G) A) and D)

Question 12

A hair shaft is composed of

Accepted Answer

A)   melanin.
B)   carotene.
C)   starch.
D)   lipid.
E)   keratin.F) B) and E)
G) All of the above

Question 13

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) C) and E)
G) A) and E)

Question 14

The protein that contributes to many of the skin's protective qualities is called

Accepted Answer

A)   melanin.
B)   keratin.
C)   carotene.
D)   dermicidin.
E)   calcitriol.F) None of the above
G) A) and E)

Question 15

During skin repair, most of the scab consists of an insoluble network of ________, a protein that forms from blood proteins during the clotting response.

Accepted Answer

A)   keratin
B)   dermicidin
C)   melanin
D)   collagen
E)   fibrinF) C) and D)
G) B) and E)

Question 16

Structure F on the skin diagram is a(n)

Accepted Answer

A)   oil gland.
B)   sweat gland.
C)   sensory receptor.
D)   wax gland.
E)   naked nerve ending.F) D) and E)
G) B) and D)

Question 17

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) A) and E)
G) A) and B)

Question 18

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) A) and B)
G) A) and C)

Question 19

Thick skin can be found on the

Accepted Answer

A)   back.
B)   palms.
C)   legs.
D)   arms.
E)   chest.F) A) and B)
G) B) and E)

Question 20

Which statement is true for merocrine sweat glands?

Accepted Answer

A)   They discharge their secretions into the hair follicles.
B)   They are for hair lubrication.
C)   They are more numerous than apocrine sweat glands.
D)   They are important in communication between individuals, related to sexual attraction.
E)   They make the skin more pliable and soft.F) A) and D)
G) A) and B)

Exam 5: The Integumentary System

A hair shaft is composed of

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

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Through which mechanism does perspiration function in cooling the body?

Correct AnswerverifiedShow Answer

The protein that contributes to many of the skin's protective qualities is called

Correct AnswerverifiedShow Answer

The most severe type of skin cancer is most likely to develop from

Correct AnswerverifiedShow Answer

Structure F on the skin diagram is a(n)

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Why are injections administered in the hypodermis when administering drugs using a hypodermic needle?

Correct AnswerverifiedShow Answer

Thick skin can be found on the

Correct AnswerverifiedShow Answer

During skin repair, most of the scab consists of an insoluble network of ________, a protein that forms from blood proteins during the clotting response.

Correct AnswerverifiedShow Answer

Lipid is concentrated with the cells of the

Correct AnswerverifiedShow Answer

Which statement is true for merocrine sweat glands?

Correct AnswerverifiedShow Answer

A small amount of ultraviolet radiation is beneficial because it

Correct AnswerverifiedShow Answer

The ________ layer of the dermis contains bundles of collagen fibers and elastin, and is responsible for the mechanical strength and flexibility of the skin.

Correct AnswerverifiedShow Answer

When the arrector pili muscles contract,

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In other mammals, the ________ glands function as scent glands, providing an important form of communication.

Correct AnswerverifiedShow Answer

In a condition known as sunstroke, the patient appears flushed, the skin is warm and dry, and the body temperature rises dramatically. Explain these observations based on what is known concerning the role of the skin in thermoregulation.

Correct AnswerverifiedWhen the body temperature increases, mor...View AnswerShow Answer

Many medications can be administered transdermally by applying patches that contain the medication to the surface of the skin. These patches can be attached anywhere on the skin except the palms of the hands and the soles of the feet. Why?

Correct AnswerverifiedThe palms of the hands and the soles of ...View AnswerShow Answer

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When the body temperature increases, mor...
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The palms of the hands and the soles of ...
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