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Chapter 7 > Test Questions > Flashcards

Test Questions Flashcards

1
Q

What is the medical branch of science that deals with the study of skin?

A

Dermatology

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2
Q

The specialist who provides cleansing treatments for the skin is a(n):

A

Esthetician

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3
Q

If the skin of an average adult were stretched out, it would cover more than how many square inches?

A

3,000

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4
Q

What is NOT a characteristic of healthy skin?

  • rigid
  • soft​
  • slightly moist
  • fine-grained texture
A

Rigid

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5
Q

The surface of healthy skin should:

A

be slightly acidic

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6
Q

Continued, repeated pressure on any part of the skin can cause it to thicken and develop into a:

A

Callus

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7
Q

The outermost layer of the skin is the:

A

Epidermis

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8
Q

The horny layer, or outer covering of the epidermis, is the:

A

stratum corneum

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9
Q

What is the principal component of hair and nails?

A

Keratin

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10
Q

The clear, transparent skin layer just under the surface through which light passes is the:

A

stratum lucidum

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11
Q

Which layer of the epidermis is also known as the basal cell layer?

A

stratum germinativum

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12
Q

Where are the melanocytes located?

A

stratum germinativum

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13
Q

The pigment produced to protect the skin from the effects of ultraviolet sun rays is called:

A

Melanin

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14
Q

The layer of the skin commonly called the true skin is the:

A

Dermis

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15
Q

The muscles that can cause goose bumps are called the _____ muscles.

A

arrector pili

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16
Q

What are the two layers of the dermis?

A

papillary and reticular

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17
Q

The small, cone-shaped elevations at the bottom of hair follicles are called the:

A

dermal papillae

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18
Q

Nerve endings that are sensitive to touch and pressure are found in which layer of the skin?

A

Papillary layer

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19
Q

The epidermal-dermal junction is located at the top of the _____ layer.

A

Papillary

20
Q

The deepest layer of the dermis that supplies oxygen and nutrients to the skin is the:

A

reticular layer

21
Q

Which of the following is NOT found in the reticular layer?

  • melanocytes
  • lymph vessels
  • oil glands
  • nerve endings
A

melanocytes

22
Q

Subcutaneous tissue does all of the following EXCEPT:

  • acts as a protective cushion for the skin
  • contains fats for use as energy
  • gives smoothness and contour to the body
  • produces melanin​
A

produces melanin​

23
Q

Nutrients and oxygen are supplied to the skin by:

A

Blood

24
Q

The clear fluid that bathes skin cells, removes toxins and cellular waste, and has immune functions is called:

A

Lymph

25
Q

Impulses are carried from the brain to the muscles by _____ nerve fibers.

A

Motor

26
Q

​Which nerve fibers react to heat, cold, touch, pressure, and pain?

A

Sensory

27
Q

The nerve fibers that regulate the excretion of perspiration are the:

A

Secretory

28
Q

Skin color depends on tiny grains of pigment, or coloring matter, called:

A

Melanin

29
Q

The red to yellow melanin produced by the body is:

A

pheomelanin

30
Q

People with dark-colored skin mostly produce:

A

eumelanin

31
Q

The fibrous protein that gives skin form and strength is:

A

Collagen

32
Q

The protein base that helps skin regain its shape after being stretched or expanded is called:

A

Elastin

33
Q

A majority of scientists now believe that most signs of skin aging are caused by:

A

Sun exposure

34
Q

The sudoriferous glands:

A

Detoxify the body

35
Q

On which body part are sudoriferous glands more numerous?

A

Forehead

36
Q

Normally, how many pints of salt-containing liquids are eliminated daily through sweat pores in the skin?

A

1 to 2

37
Q

What is the oily secretion that lubricates the skin and preserves the softness of the hair?

A

Sebum

38
Q

When sebum hardens and completely clogs an oil duct so that there are no surface follicle openings, it creates a(n):

A

Open comedo

39
Q

Which skin disorder is characterized by chronic inflammation of the sebaceous glands from retained secretions?

A

Acne

40
Q

What is NOT one of the principal functions of the skin?

​-digestion

  • heat regulation​
  • sensation
  • excretion​
A

digestion

41
Q

Which vitamin is vital in fighting the aging process and promoting the production of collagen?

A

Vitamin C

42
Q

​The body needs _____ for many body functions, including hormones and sebum production.

A

Fats

43
Q

The National Institute of Health (NIH) recommends a diet that is low in:

A

Saturated fats

44
Q

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

A

Vitamin E

45
Q

A(n) _____ is a raised, inflamed papule with a white or yellow center containing pus.​

A

Pustule

Chapter 7 (1 decks)

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