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Chapter Quiz
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1
All of the following are functions of the skin except
A)exchange of gases with the environment
B)regulate temperature
C)form a covering protecting underlying structures
D)house sensory structures that communicate information about the environment
2
The cells of the epidermis that reproduce are in the
A)keratin
B)stratum corneum
C)stratum basale
D)stratum granulosum
3
The layer of skin that contains cells whose cytoplasm is filled with keratin is the
A)dermis
B)stratum basale
C)epidermis
D)stratum corneum
4
Melanocytes are found in
A)superficial epidermis
B)superficial dermis
C)deep epidermis
D)deep dermis
5
The pigment that helps protect the deepest layers of the epidermis and the dermis is
A)melanin
B)trichosiderin
C)biliverdin
D)bilirubin
6
Sensory and motor fibers in the skin are located in the
A)dermis
B)epidermis
C)both
D)neither
7
What vitamin is produced by the skin?
A)vitamin A
B)vitamin D
C)vitamin E
D)vitamin B12
8
Which layer of epidermis can only be found in the thickened skin of the palms and soles?
A)stratum granulosum
B)stratum lucidum
C)stratum basale
D)stratum corneum
9
Which are accessory organs of the skin?
A)sweat glands
B)finger and toe nails
C)sebaceous glands
D)all of the above
10
What pigment is not responsible for hair color?
A)hemoglobin
B)trichosiderin
C)melanin
D)carotene
11
The glands usually associated with hair follicles are
A)apocrine glands
B)endocrine glands
C)sebaceous glands
D)exocrine glands
12
The sebaceous glands of the skin are
A)endocrine glands
B)mucous glands
C)merocrine glands
D)holocrine glands
13
The growing portion of the nail is the
A)nail root
B)lunula
C)both
D)neither
14
Where are the sweat glands most numerous?
A)the face
B)the groin and axilla
C)the palms and soles
D)evenly distributed over the body surface
15
Sponging the skin with water helps to increase the loss of body heat by
A)evaporation
B)convection
C)conduction
D)all of the above
16
Which of the following are usually associated with wound healing?
A)inflammation
B)scab formation
C)scarring
D)all of the above
17
Cutaneous membrane is more commonly called the skin.
A)True
B)False
18
A basement membrane anchors the dermis to underlying structures.
A)True
B)False
19
Cells of the stratum corneum are non-living cells and are rubbed away by friction.
A)True
B)False
20
Skin color is primarily determined by the environment to which individuals are exposed.
A)True
B)False
21
The epidermis is dependent on the blood vessels of the dermis for oxygen and nutrients.
A)True
B)False
22
The subcutaneous layer is the deepest layer of the skin.
A)True
B)False
23
Hair is present on all surfaces of the skin.
A)True
B)False
24
"Goose bumps" on the skin result when arrector pili muscles contract.
A)True
B)False
25
Acne vulgaris is due to overactive and inflamed merocrine glands.
A)True
B)False
26
Melanomas are skin cancers arising from epithelial cells.
A)True
B)False
27
The apocrine glands are sweat glands that become active in response to strong emotion, fear, and pain.
A)True
B)False
28
The signs of inflammation are heat, redness, swelling, and pain.
A)True
B)False
29
A burn extending through the epidermis is a second-degree burn.
A)True
B)False





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