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Chapter 11 > Test Questions > Flashcards

Test Questions Flashcards

1
Q

The thickened, club-shaped structure that forms the lower part of the hair root is the:

A

hair bulb

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2
Q

The final phase in the hair cycle, lasting until the fully grown hair is shed, is the _____ phase.

A

telogen

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3
Q

Which of the following is NOT one of the three types of side bonds of the cortex?

A

cortex bonds

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4
Q

The condition characterized by the excessive production and accumulation of skin cells is:

A

pityriasis

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5
Q

The two parts of a mature strand of human hair are:

A

hair root and hair shaft

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6
Q

Hair follicles are distributed all over the body, with the exception of the:

A

palms of hands and soles of feet

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7
Q

The medulla is composed of _____ cells.

A

round

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8
Q

Peptide bonds are also known as:

A

end bonds

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9
Q

The technical term for brittle hair is:

A

fragilitas crinium

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10
Q

Most of the total weight of hair comes from which layer of the hair?

A

cortex

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11
Q

When a parasite called a mite burrows under the skin, the result is:

A

scabies

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12
Q

How many hair growth treatments have been approved by the FDA for sale in the United States?

A

two

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13
Q

Hair is approximately 90 percent:

A

protein

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14
Q

Unique protein structures within the cortex are responsible for the color and _____ of hair.

A

elasticity

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15
Q

Which of the following conditions is an autoimmune disorder?

A

alopecia areata

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16
Q

Which type of alopecia describes temporary hair loss at the end of a pregnancy?

A

postpartum alopecia

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17
Q

Which condition is characterized by dry, sulfur-yellow, cuplike crusts on the scalp?

A

tinea favosa

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18
Q

Hair that forms a circular growing pattern, as on the crown of the head, is called a:

A

whorl

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19
Q

Oily hair and scalp can be caused by:

A

improper shampooing

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20
Q

The _____ glands secrete sebum.

A

sebaceous

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21
Q

The maturing process of hair is:

A

keratinization

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22
Q

Thio neutralizers are used to reform _____ bonds.

A

disulfide

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23
Q

The five major elements in skin and hair are referred to as the _____ elements.

A

COHNS

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24
Q

A helix is:

A

spiral-shaped

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25
Q

The small, cone-shaped area at the base of the hair follicle that fits into the hair bulb is the:

A

dermal papilla

26
Q

The technical term used to describe gray hair is:

A

canities

27
Q

The cortex of the hair has a fibrous protein core formed by _____ cells.

A

elongated

28
Q

Polypeptide chains are cross-linked like the rungs on a ladder by _____ different types of side bonds.

A

three

29
Q

Which layer of hair consists of transparent, scale-like cells?

A

hair cuticle

30
Q

Disulfide bonds account for about _____ of the hair’s overall strength.

A

one-third

31
Q

Hair that has the largest diameter and usually requires more processing time is:

A

coarse

32
Q

A study suggests that bald men are perceived as:

A

older

33
Q

Extremely curly hair does NOT typically:

A

have a fairly regular and uniform diameter along a single strand

34
Q

The ability of the hair to absorb moisture is called hair:

A

porosity

35
Q

The term used to describe abnormal hair loss is:

A

alopecia

36
Q

Alternating bands of gray and pigmented hair throughout the length of the hair strand is called:

A

ringed hair

37
Q

The portion of the hair that projects above the skin is the:

A

hair shaft

38
Q

The scientific study of hair and its diseases and care is called:

A

trichology

39
Q

The condition that describes abnormal growth of hair is:

A

hypertrichosis

40
Q

Hydroxide chemical hair relaxers break disulfide bonds and convert them to:

A

lanthionine bonds

41
Q

New hair is produced during the _____ phase, or growth phase, of hair growth.

A

anagen

42
Q

Generally, only which type of hair contains a medulla?

A

thick, coarse hair

43
Q

Which type of side bond can be broken by water or heat?

A

hydrogen bond

44
Q

Proteins are made of long chains of:

A

amino acids

45
Q

The ability of the hair to stretch and return to its original length without breaking is called hair:

A

elasticity

46
Q

The average hair density is about how many hairs per square inch?

A

2200

47
Q

Which layer of hair provides a barrier that protects the inner structure of hair?

A

hair cuticle

48
Q

The wave pattern of the hair refers to the ______ of the hair strand.

A

shape

49
Q

The measurement of the individual hair strands on 1 square inch of the scalp is hair:

A

density

50
Q

Research has determined that dandruff is the result of a fungus called:

A

malassezia

51
Q

Which of the following statements is true?

A

Anyone of any race can have straight or extremely curly hair.

52
Q

Salt bonds can be broken by _____ solutions.

A

both strong alkaline and strong acidic

53
Q

The _____ is the tube-like depression in the skin or scalp that contains the hair root.

A

hair follicle

54
Q

Trichorrhexis nodosa is the technical term for:

A

knotted hair

55
Q

Pheomelanin provides hair colors ranging from:

A

red to blond

56
Q

People with dry hair and scalp should:

A

use products containing emollients

57
Q

Vellus hair almost never has a:

A

medulla

58
Q

Amino acids are joined by _____ bonds.

A

peptide

59
Q

Hair _____ is the thickness or diameter of the individual hair strand.

A

texture

60
Q

An acute, localized bacterial infection of a hair follicle that produces constant pain, is called a boil or a:

A

furuncle

Chapter 11 (1 decks)

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