Question 1

That portion of the hair that extends above the surface of the skin is the

Accepted Answer

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

Question 2

Thin skin has only four epithelial strata. It lacks which of the following?

Accepted Answer

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

Question 3

Fingernails are comprised of:

Accepted Answer

A)   collagen deposited by the lunula and the matrix
B)   proteins secreted by the nail groove from the matrix
C)   epithelial and collagen fibers produced in the dermis
D)   thin, dead scaly cells

Question 4

Some drugs for treating acne include peroxides that increases 'peeling' or shedding of skin. This drugs' side effects include drying of the skin, redness, rashes, bleaching and possible loss of hair in areas in contact. Do peroxides have an effect on the sebum-production?

Accepted Answer

A)   Yes, the effect is on the dermis and the sebaceous glands are located there.
B)   No, the effect is on the dermis and the sebaceous glands are located there.
C)   No, the effect is on the epidermis and the sebaceous glands are located there.
D)   Yes, the effect is on the epidermis and the sebaceous glands are located there.

Question 5

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

Accepted Answer

A)   arrector pili
B)   hypodermis
C)   sebaceous gland
D)   epidermis and dermis
E)   hair follicle

Question 6

The proximal portion of the nail is the

Accepted Answer

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

Question 7

Which of the following skin changes is usually associated with aging?

Accepted Answer

A)   There is an increase in the number of elastic fibers in the skin.
B)   Skin becomes thicker.
C)   The amount of collagen in the dermis increases.
D)   Loss of subcutaneous tissue contributes to sagging of the skin.
E)   Localized increase in sebaceous glands leads to dry skin.

Question 8

What type of burn involves damage to the epidermis, dermis, and subcutaneous tissue?

Accepted Answer

A)   Full thickness
B)   Partial thickness
C)   Second degree
D)   Total dermal thickness
E)   First degree

Question 9

Light-skinned races such as Caucasians have

Accepted Answer

A)   approximately the same number of melanocytes as races with darker skins.
B)   more melanocytes than races with darker skins.
C)   fewer melanocytes than races with darker skins.
D)   more melanin in their skin.
E)   a different kind of melanin in their skin.

Question 10

Skin glands do not include

Accepted Answer

A)   sweat glands.
B)   sebaceous glands.
C)   mammary glands.
D)   salivary glands.
E)   ceruminous glands.

Question 11

In which layer of the epidermis are granules of keratohyalin formed?

Accepted Answer

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

Question 12

When the arrector pili muscles contract

Accepted Answer

A)   the body is able to lose heat.
B)   no change is noted on the skin surface.
C)   the hair on your arms and legs begins to curl.
D)   the sweat glands empty their contents onto the surface of the skin.
E)   "goose bumps" form on the skin.

Question 13

Keratinocytes

Accepted Answer

A)   produce skin pigments in cell organelles called melanosomes.
B)   are responsible for the reduction of water loss from the skin.
C)   determine thickness of the skin.
D)   are special cells of the immune system.
E)   are found in both the dermal and the epidermal layers of the skin.

Question 14

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

Accepted Answer

A)   hair follicle
B)   sebaceous gland
C)   epidermis and dermis
D)   hypodermis
E)   arrector pili

Question 15

Intact skin provides protection because

Accepted Answer

A)   the skin enhances water loss from the body.
B)   macrophages roam in the epidermis.
C)   its secretions keep the skin slightly alkaline.
D)   the skin contains components of the excretory system.
E)   it forms a physical barrier against the entry of microbes.

Question 16

The length of hair is determined by the

Accepted Answer

A)   size of the hair bulb.
B)   age of the person.
C)   length of the resting stage.
D)   angle of the hair root.
E)   rate of hair growth.

Question 17

Vitamin C is essential for normal collagen synthesis. If a child suffered from a vitamin C deficiency, which layer of the skin would be most affected?

Accepted Answer

A)   epidermis
B)   stratum basale
C)   stratum corneum
D)   stratum granulosum
E)   reticular layer of dermis

Question 18

An expanded knob at the base of the hair root is the

Accepted Answer

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

Question 19

The layer of the epidermis in which there is the greatest amount of mitotic activity.

Accepted Answer

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

Question 20

The central axis of the hair is the

Accepted Answer

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

Exam 5: Integumentary System

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

Correct AnswerverifiedShow Answer

What type of burn involves damage to the epidermis, dermis, and subcutaneous tissue?

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Which of the following skin changes is usually associated with aging?

Correct AnswerverifiedShow Answer

Intact skin provides protection because

Correct AnswerverifiedShow Answer

The central axis of the hair is the

Correct AnswerverifiedShow Answer

Vitamin C is essential for normal collagen synthesis. If a child suffered from a vitamin C deficiency, which layer of the skin would be most affected?

Correct AnswerverifiedShow Answer

Fingernails are comprised of:

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That portion of the hair that extends above the surface of the skin is the

Correct AnswerverifiedShow Answer

Keratinocytes

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Skin glands do not include

Correct AnswerverifiedShow Answer

The proximal portion of the nail is the

Correct AnswerverifiedShow Answer

The layer of the epidermis in which there is the greatest amount of mitotic activity.

Correct AnswerverifiedShow Answer

An expanded knob at the base of the hair root is the

Correct AnswerverifiedShow Answer

In which layer of the epidermis are granules of keratohyalin formed?

Correct AnswerverifiedShow Answer

Thin skin has only four epithelial strata. It lacks which of the following?

Correct AnswerverifiedShow Answer

The length of hair is determined by the

Correct AnswerverifiedShow Answer

When the arrector pili muscles contract

Correct AnswerverifiedShow Answer

Light-skinned races such as Caucasians have

Correct AnswerverifiedShow Answer

Some drugs for treating acne include peroxides that increases 'peeling' or shedding of skin. This drugs' side effects include drying of the skin, redness, rashes, bleaching and possible loss of hair in areas in contact. Do peroxides have an effect on the sebum-production?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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