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State Board 2 > Chapter 7 Skin Structure, Nutrition and Growth > Flashcards

Chapter 7 Skin Structure, Nutrition and Growth Flashcards

1
Q

The branch of science that deals with the study of the skin is:

a. physiology 

b. dermatology	
c. anatomy	
d. histology
A

dermatology

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2
Q

The largest organ of the human body is the:

a. heart 

b. brain	
c. liver	
d. skin
A

skin

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3
Q

Continued pressure on any part of the skin causes it to thicken and develop into a(n):

a. callus 

b. appendage	
c. papule	
d. scar
A

callus

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4
Q

The thinnest skin is found on the:

a. nose 

b. fingertips	
c. eyelids	
d. lips
A

eyelids

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5
Q

The outermost layer of skin that forms the protective covering of the body is the:

a. dermis 

b. surface	
c. subcutaneous	
d. epidermis
A

epidermis

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6
Q

What is the deepest layer of the epidermis?

a. stratum lucidum 

b. stratum germinativum	
c. stratum spinosum	
d. stratum corneum
A

stratum germinativum

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7
Q

The clear, transparent layer of the epidermis consisting of small cells through which light can pass is the:

a. stratum granulosum 

b. stratum corneum	
c. stratum lucidum	
d. stratum spinosum
A

stratum lucidium

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8
Q

The special cells that produce dark skin pigment are called:

a. elastins 

b. secretory coils	
c. tactile corpuscles	
d. melanocytes
A

melanocytes

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9
Q

The layer of skin that we see is the:

a. stratum spinosum 

b. dermis	
c. stratum corneum	
d. stratum lucidum
A

stratum corneum

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10
Q

The fibrous protein that is the principal component of hair and nails is called:

a. melanin 

b. sebum	
c. collagen	
d. keratin
A

keratin

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11
Q

The _____ is the underlying or inner layer of the skin.

a. epidermis 

b. adipose	
c. arrector pili	
d. dermis
A

dermis

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12
Q

The ______ supplies the skin with oxygen and nutrients?

a. basal cell layer 

b. subcutaneous tissue	
c. papillary layer	
d. reticular layer
A

reticular layer

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13
Q

The top of the papillary layer where the two layers of skin join is known as the:

a. epidermal link 

b. epidermal-dermal junction	
c. dermal-epidermal junction	
d. dermal link
A

epidermal-dermal junction

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14
Q

The arrector pili muscle:

a. All answers are correct. 

b. is a very small muscle	
c. is an involuntary muscle	
d. causes goose bumps when a person is cold or frightened
A

all of these answers are correct

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15
Q

Which layer of the dermis houses the nerve endings that are sensitive to touch and pressure?

a. reticular layer 

b. papillary layer	
c. subcutaneous layer	
d. stratum corneum
A

papillary layer

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16
Q

The melanin produced by the body that is red to yellow in color is called:

a. photomelanin 

b. pheomelanin	
c. polymelanin	
d. eumelanin
A

pheomelanin

17
Q

Which of the following is a fibrous protein that gives the skin form and strength?

a. melanin 

b. collagen	
c. elastin	
d. keratin
A

collagen

18
Q

Which of the following gives skin its flexibility and helps skin regain its shape after being expanded?

a. keratin 

b. collagen	
c. melanin	
d. elastin
A

elastin

19
Q

When sebum hardens and the sebaceous duct becomes clogged, it forms a pore impaction called a:

a. comedo 

b. melanocyte	
c. tactile corpuscle	
d. scar
A

comedo

20
Q

Water composes ______ of body weight.

a. 70 to 90 percent 

b. 30 to 50 percent	
c. 20 to 30 percent	
d. 50 to 70 percent
A

50 to 70 percent

21
Q

The _____ nerve fibers react to heat, cold, touch, pressure, and pain.

a. biogen 

b. motor	
c. sensory	
d. secretory
A

sensory

22
Q

The sudoriferous glands:

a. All answers are correct. 

b. detoxify the body	
c. excrete perspiration	
d. are also known as sweat glands
A

all answers are correct

23
Q

Which of the following is NOT a function of the skin?

a. absorption 

b. digestion	
c. protection	
d. excretion
A

digestion

24
Q

To maintain a balanced diet, the USDA recommends that you:

a. avoid foods low in saturated fat 

b. drink as much water as possible every day	
c. drink alcoholic beverages on a regular basis	
d. eat a variety of foods
A

eat a variety of foods

25
Q

Which vitamin helps protect the skin from the harmful effects of the sun’s UV rays?

a. vitamin C 

b. vitamin A	
c. vitamin E	
d. vitamin D
A

vitamin E

State Board 2 (3 decks)

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