Question 1

The portion of the hair below the surface of the skin is the

Accepted Answer

A)   shaft.
B)   cuticle.
C)   hair bulb.
D)   medulla.
E)   root.F) B) and E)
G) A) and E)

Question 2

Nail cells are produced by the

Accepted Answer

A)   lunula.
B)   cuticle.
C)   nail body.
D)   nail matrix.
E)   nail groove.F) A) and B)
G) B) and D)

Question 3

Which of the following represents the correct order of the layers of the epidermis from the deepest to the most superficial?

Accepted Answer

A)   stratum basale, stratum granulosum, stratum lucidum, stratum spinosum, and stratum corneum
B)   stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum
C)   stratum lucidum, stratum granulosum, stratum corneum, stratum basale, and stratum spinosum
D)   stratum spinosum, stratum basale, stratum lucidum, stratum corneum, and stratum granulosum
E)   stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basaleF) C) and E)
G) A) and E)

Question 4

Which of the following functions is associated with the skin?

Accepted Answer

A)   fat production
B)   vitamin C production
C)   regulation of body pH
D)   protection against ultraviolet radiation of the sun
E)   vitamin A productionF) D) and E)
G) B) and D)

Question 5

-What does structure "C" represent on the diagram?

Accepted Answer

A)   hair follicle
B)   arrector pili
C)   dermis
D)   hypodermis
E)   sebaceous glandF) All of the above
G) A) and D)

Question 6

A genetic disease characterized by the inability to produce melanin is

Accepted Answer

A)   melanosomes.
B)   albinism.
C)   dermatitis.
D)   carotene.
E)   cyanosis.F) All of the above
G) B) and C)

Question 7

As skin cells move toward the surface of the body, they produce a protein that reduces water loss. This process is called

Accepted Answer

A)   pollination.
B)   keratinization.
C)   melaninization.
D)   germination.
E)   desquamation.F) C) and E)
G) A) and B)

Question 8

This condition is characterized by a thicker-than-normal stratus corneum producing large silvery scales.

Accepted Answer

A)   psoriasis
B)   decubitus ulcer
C)   bullae
D)   vitiligo
E)   eczemaF) C) and E)
G) B) and C)

Question 9

If you accidentally cut your arm and see connective tissue and fat, which layer(s)  was/were cut?

Accepted Answer

A)   stratum corneum
B)   stratum basale
C)   dermis
D)   hypodermis
E)   all of these layersF) C) and D)
G) B) and E)

Question 10

Which of the following statements concerning vitamin D is false?

Accepted Answer

A)   Vitamin D begins its synthesis in the skin when the skin is exposed to ultraviolet light.
B)   Vitamin D causes the kidney to excrete calcium.
C)   Vitamin D is necessary for the uptake of calcium from the intestine.
D)   Vitamin D is necessary for the formation of bones and teeth.
E)   Vitamin D is important for calcium homeostasis.F) A) and B)
G) A) and D)

Question 11

Parallel curving ridges of dermis that shape the overlying epidermis into fingerprints

Accepted Answer

A)   are associated with thin skin.
B)   improve the grip of the hands.
C)   decrease friction on surfaces where they are located.
D)   are caused by the pattern of the reticular layer of the dermis.
E)   tend to make the surface smooth.F) A) and B)
G) A) and C)

Question 12

The stratum corneum beneath the free edge of the nail is the

Accepted Answer

A)   nail root.
B)   nail body.
C)   nail fold.
D)   eponychium.
E)   hyponychium.F) A) and B)
G) C) and D)

Question 13

Melanin production can be influenced by

Accepted Answer

A)   genetics.
B)   hormones.
C)   exposure to sunlight.
D)   pregnancy.
E)   All of these choices are correct.F) A) and B)
G) A) and C)

Question 14

Sweat

Accepted Answer

A)   is a hypertonic fluid.
B)   is produced by a merocrine or apocrine gland.
C)   contains only water.
D)   reaches the body only through the hair follicles.
E)   is not associated with emotions.F) C) and D)
G) None of the above

Question 15

This layer is found only in thick skin.

Accepted Answer

A)   stratum basale
B)   stratum spinosum
C)   stratum granulosum
D)   stratum lucidum
E)   stratum corneumF) A) and D)
G) D) and E)

Question 16

-What does structure "D" represent on the diagram?

Accepted Answer

A)   hair follicle
B)   arrector pili
C)   dermis
D)   hypodermis
E)   sebaceous glandF) A) and B)
G) C) and D)

Question 17

An increase in body temperature causes

Accepted Answer

A)   sweating.
B)   arterioles in the dermis to constrict.
C)   arrector pili muscles to contract.
D)   an increase in keratinization of the skin.
E)   an increase in melanin production.F) C) and D)
G) A) and B)

Question 18

The skin that covers the lateral and proximal edges of the nail is the

Accepted Answer

A)   nail root.
B)   nail body.
C)   nail fold.
D)   eponychium.
E)   hyponychium.F) B) and E)
G) A) and B)

Question 19

-The figure illustrates keratinization in the epidermis. What layer of the epidermis is "A"?

Accepted Answer

A)   stratum spinosum
B)   stratum corneum
C)   stratum basale
D)   stratum lucidum
E)   stratum granulosumF) A) and B)
G) A) and C)

Question 20

The nail proper is composed of the

Accepted Answer

A)   stratum corneum.
B)   stratum lucidum.
C)   stratum germinativum.
D)   stratum spinosum.
E)   All of these choices are correct.F) A) and C)
G) A) and B)

Exam 5: Integumentary System

-What does structure "C" represent on the diagram?

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-What does structure "D" represent on the diagram?

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The stratum corneum beneath the free edge of the nail is the

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Which of the following statements concerning vitamin D is false?

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Melanin production can be influenced by

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Nail cells are produced by the

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Parallel curving ridges of dermis that shape the overlying epidermis into fingerprints

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This layer is found only in thick skin.

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-The figure illustrates keratinization in the epidermis. What layer of the epidermis is "A"?

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Sweat

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The portion of the hair below the surface of the skin is the

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The skin that covers the lateral and proximal edges of the nail is the

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The nail proper is composed of the

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An increase in body temperature causes

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A genetic disease characterized by the inability to produce melanin is

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Which of the following represents the correct order of the layers of the epidermis from the deepest to the most superficial?

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As skin cells move toward the surface of the body, they produce a protein that reduces water loss. This process is called

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If you accidentally cut your arm and see connective tissue and fat, which layer(s) was/were cut?

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Which of the following functions is associated with the skin?

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This condition is characterized by a thicker-than-normal stratus corneum producing large silvery scales.

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