Question 1

Large quantities of keratin are found in the epidermal layer called the

Accepted Answer

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

Question 2

Cyanosis signifies that a patient

Accepted Answer

A)   has had too much sun.
B)   has been kept out of the sun.
C)   has an allergic reaction.
D)   has oxygen-starved skin.
E)   has been exposed to cyanide.

Question 3

Scar tissue is the result of

Accepted Answer

A)   large numbers of collagen fibers and relatively few blood vessels in the injured area.
B)   increased numbers of epidermal layers in the area of the injury.
C)   a thickened stratum basale in the area of the injury.
D)   increased numbers of fibroblasts in the injured area.
E)   a lack of sebaceous glands in the injured area.

Question 4

All of the following are True of perspiration produced by merocrine sweat glands, except that it

Accepted Answer

A)   is more than 99 percent water.
B)   contains electrolytes and waste products.
C)   helps cool the body when it evaporates.
D)   helps to prevent bacteria from colonizing the skin.
E)   produces the body odor characteristic of "sweating."

Question 5

Figure 5-1 The Components of the Integumentary System
Use Figure 5-1 to answer the following question(s) :
-Which layer is the primary barrier against environmental hazards?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5

Question 6

The tough "horny" superficial layer of the epidermis is known as the

Accepted Answer

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

Question 7

The layer of dividing cells at the base of the epidermis is the

Accepted Answer

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

Question 8

The type of cells that form the strata in the epidermis are

Accepted Answer

A)   adipocytes.
B)   keratinocytes.
C)   fibroblasts.
D)   melanocytes.
E)   dendritic cells.

Question 9

The highest concentration of merocrine sweat glands is found

Accepted Answer

A)   in the axillae.
B)   on the chest.
C)   on the palms of the hands.
D)   on the upper back.
E)   surrounding the genitals.

Question 10

Why is scab formation important in wound healing?

Accepted Answer

Scabs temporarily restore epidermal inte...

Question 11

Figure 5-1 The Components of the Integumentary System
Use Figure 5-1 to answer the following question(s) :
-An intradermal injection is administered into which layer?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5

Question 12

Why is regional infection or inflammation of the skin usually very painful?

Accepted Answer

Inflammation of the skin is pa...

Question 13

Vitamin D₃ formed within the skin has all of these effects on other organ systems, except that it

Accepted Answer

A)   is essential for absorption of calcium and phosphorus by the digestive system.
B)   functions as a precursor for the hormone calcitriol in the endocrine system.
C)   is essential for bone maintenance.
D)   functions in the activation of plasma cells by the lymphatic system.
E)   is essential for bone growth.

Question 14

The ________ glands in the axilla become active at the time of puberty.

Accepted Answer

A)   ceruminous
B)   apocrine sweat
C)   merocrine sweat
D)   sebaceous
E)   axillary

Question 15

An important vitamin that is formed in the skin when it is exposed to sunlight is

Accepted Answer

A)   vitamin A.
B)   vitamin B.
C)   vitamin C.
D)   vitamin D.
E)   vitamin E.

Question 16

All of the following are True of the pigment melanin, except that it

Accepted Answer

A)   decreases in concentration within cells during exposure to the sun.
B)   is usually some shade of brown or black.
C)   protects DNA from the damaging effects of UV radiation.
D)   is released through melanosomes.
E)   is produced by cells called melanocytes.

Question 17

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.

Question 18

The layer of the skin that contains the blood vessels and nerves that are closest to the surface of the skin is the ________ layer.

Accepted Answer

A)   papillary
B)   reticular
C)   epidermal
D)   subcutaneous
E)   hypodermal

Question 19

Epidermal growth factor exerts which of these effects on the epidermis?

Accepted Answer

A)   promotes cell division
B)   stimulates keratin synthesis
C)   accelerates tissue repair
D)   speeds up glandular function
E)   all of the above

Question 20

Figure 5-1 The Components of the Integumentary System
Use Figure 5-1 to answer the following question(s) :
-Which layer contains most of the accessory organs?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5

Exam 5: The Integumentary System

All of the following are True of perspiration produced by merocrine sweat glands, except that it

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Cyanosis signifies that a patient

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Figure 5-1 The Components of the Integumentary System Use Figure 5-1 to answer the following question(s) : -Which layer contains most of the accessory organs?

Correct AnswerverifiedShow Answer

Vitamin D₃ formed within the skin has all of these effects on other organ systems, except that it

Correct AnswerverifiedShow Answer

Large quantities of keratin are found in the epidermal layer called the

Correct AnswerverifiedShow Answer

Scar tissue is the result of

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An important vitamin that is formed in the skin when it is exposed to sunlight is

Correct AnswerverifiedShow Answer

The highest concentration of merocrine sweat glands is found

Correct AnswerverifiedShow Answer

Why is scab formation important in wound healing?

Correct AnswerverifiedScabs temporarily restore epidermal inte...View AnswerShow Answer

Why is regional infection or inflammation of the skin usually very painful?

Correct AnswerverifiedInflammation of the skin is pa...View AnswerShow Answer

The layer of the skin that contains the blood vessels and nerves that are closest to the surface of the skin is the ________ layer.

Correct AnswerverifiedShow Answer

The tough "horny" superficial layer of the epidermis is known as the

Correct AnswerverifiedShow Answer

The layer of dividing cells at the base of the epidermis is the

Correct AnswerverifiedShow Answer

When the arrector pili muscles contract,

Correct AnswerverifiedShow Answer

All of the following are True of the pigment melanin, except that it

Correct AnswerverifiedShow Answer

The ________ glands in the axilla become active at the time of puberty.

Correct AnswerverifiedShow Answer

Figure 5-1 The Components of the Integumentary System Use Figure 5-1 to answer the following question(s) : -An intradermal injection is administered into which layer?

Correct AnswerverifiedShow Answer

Epidermal growth factor exerts which of these effects on the epidermis?

Correct AnswerverifiedShow Answer

The type of cells that form the strata in the epidermis are

Correct AnswerverifiedShow Answer

Figure 5-1 The Components of the Integumentary System Use Figure 5-1 to answer the following question(s) : -Which layer is the primary barrier against environmental hazards?

Correct AnswerverifiedShow Answer

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Scabs temporarily restore epidermal inte...
View Answer

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Inflammation of the skin is pa...
View Answer

Correct Answer
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