NR 283 Quiz 2 Review Study Guide Questions
and Correct Answers
1). Functions of the skin
Ans: protection, prevents penetration, perception, temperature regulation, identification,
wound repair, absorption and excretion, production of vitamin D
2). Epidermis
Ans: Outer layer of skin
-no blood vessels or nerves
3). Keratinocytes
Ans: barrier for pathogens
4). Langerhan
Ans: type 4 hypersensitivity
5). Melanocytes
Ans: produce melanin
6). Merkel
Ans: nerve endings
7). Dermis
Ans: middle layer of skin
-connective tissue layer
-blood,lymph,nerves
8). Macrophages
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, Ans: Found within the lymph nodes, they are phagocytes that destroy bacteria, cancer
cells, and other foreign matter in the lymphatic stream.
9). Mast cell
Ans: immune cells that function to detect foreign substances in tissue spaces and
initiate an inflammatory response
10). Histiocytes
Ans: Macrophages in connective tissue
11). Apocrine sweat glands
Ans: body odor
12). Eccrine sweat glands
Ans: stress/ fear
13). Arrector pili
Ans: a smooth muscle attached to hair follicles that causes "goose bumps" to appear
on the skin when contracted
14). Dermis: sebaceous glands
Ans: keep hair moist
secrete sebum
stimulated by androgens
15). Hypodermis
Ans: loose connective tissue layer of skin below the dermis
16). What happens to the skin as we age?
Ans: skin thins
less sweat glands
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and Correct Answers
1). Functions of the skin
Ans: protection, prevents penetration, perception, temperature regulation, identification,
wound repair, absorption and excretion, production of vitamin D
2). Epidermis
Ans: Outer layer of skin
-no blood vessels or nerves
3). Keratinocytes
Ans: barrier for pathogens
4). Langerhan
Ans: type 4 hypersensitivity
5). Melanocytes
Ans: produce melanin
6). Merkel
Ans: nerve endings
7). Dermis
Ans: middle layer of skin
-connective tissue layer
-blood,lymph,nerves
8). Macrophages
PaperStoc.com Page 1 of 11
, Ans: Found within the lymph nodes, they are phagocytes that destroy bacteria, cancer
cells, and other foreign matter in the lymphatic stream.
9). Mast cell
Ans: immune cells that function to detect foreign substances in tissue spaces and
initiate an inflammatory response
10). Histiocytes
Ans: Macrophages in connective tissue
11). Apocrine sweat glands
Ans: body odor
12). Eccrine sweat glands
Ans: stress/ fear
13). Arrector pili
Ans: a smooth muscle attached to hair follicles that causes "goose bumps" to appear
on the skin when contracted
14). Dermis: sebaceous glands
Ans: keep hair moist
secrete sebum
stimulated by androgens
15). Hypodermis
Ans: loose connective tissue layer of skin below the dermis
16). What happens to the skin as we age?
Ans: skin thins
less sweat glands
PaperStoc.com Page 2 of 11
