Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Properties of Hair and Scalp > Properties of the Hair and Scalp > Flashcards

Properties of the Hair and Scalp Flashcards

1
Q

The hair, skin, nails, and glands are known collectively as the

A

integument

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The five main structures of the hair root include all of the following except the

A

epidermis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

he pocket or tube-like depression in the scalp or skin that contains the hair root is the

A

follicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The thickened, club-like structure that forms the lower part of the hair root is th

A

hair bulb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

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

A

dermal papilla

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The substance secreted by the sebaceous glands is called:

A

sebum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The tiny, involuntary muscle fiber in the skin inserted in the base of the hair follicle is the:

A

arrector pili

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which layer of the hair shaft creates the shine and the smooth, silky feel of healthy hair?

A

cuticle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

A lengthwise section of hair shows that cuticle scales overlap and each individual cuticle scale is attached to the:

A

cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The fibrous protein core formed by elongated cells that contains melanin pigment is the:

A

cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The medulla, the innermost layer of the hair, is composed of cells that are:

A

round

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Hair is composed of protein that grows from cells originating within the:

A

hair follicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

he hair shaft that emerges from the scalp is a nonliving fiber composed of:

A

keratinized protein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The major elements that make up human hair are carbon, oxygen, hydrogen, nitrogen, and sulfur, often referred to as the:

A

COHNS elements

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The units of structure that build protein and are joined together end to end like pop beads are:

A

amino acids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

A long chain of amino acids linked by peptide bonds is called a:

A

polypeptide chain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

he three different types of side bonds are:

A

hydrogen, salt, and disulfide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

A physical side bond that is easily broken by water and heat is a:

A

hydrogen bond

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

A weak, physical, cross-link side bond between adjacent polypeptide chains that is broken by changes in pH is a:

A

salt bond

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Permanent waving and hair relaxers change the shape of hair by chemically altering the hair’s:

A

disulfide bonds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Hydroxide chemical relaxers break disulfide bonds and convert them to:

A

lanthionine bonds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

All natural hair color is the result of pigment located in the cortex called:

A

melanin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

The melanin that provides brown or black color to hair is:

A

eumelanin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Which of the following terms is used to describe hair’s wave pattern?

A

curly, extremely curly, straight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Vellus hair is the is short, fine, and downy hair also known as:

A

lanugo hair

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

The three growth cycles of human hair are:

A

anagen, catagen, and telogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

The resting phase or final phase of the hair cycle that lasts until the fully grown hair is shed is the:

A

telogen phase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

The sudden falling out of hair in round patches or baldness in spots is:

A

alopecia areata

29
Q

The technical term for gray hair is:

A

canities

30
Q

The condition of abnormal hair growth of terminal hair is referred to as:

A

hypertrichosis

31
Q

Trichoptilosis is the technical term for:

A

split ends

32
Q

A condition that is characterized by brittleness and the formation of nodular swellings along the hair shaft is:

A

trichorrhexis nodosa

33
Q

The medical term used to describe dandruff is:

A

pityriasis

34
Q

Current research confirms that dandruff is the result of a fungus called:

A

malassezia

35
Q

A severe type of dandruff characterized by an accumulation of greasy or waxy scalp scales mixed with sebum is:

A

pityriasis steatoides

36
Q

Tinea is characterized by itching scales and sometimes painful circular lesions and is caused by:

A

fungal organisms

37
Q

Which of the scalp disorders is characterized by dry, sulfur-yellow, cup-like crusts on the scalp?

A

tinea favosa

38
Q

A highly contagious skin disease caused by a parasite called a mite is:

A

scabies

39
Q

An infestation of the hair and scalp with head lice is:

A

pediculosis capitis

40
Q

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

A

furuncle

41
Q

The thickness or diameter of the individual hair strand is referred to as hair:

A

texture

42
Q

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

A

coarse hair

43
Q

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

A

density

44
Q

The ability of the hair to absorb moisture is:

A

porosity

45
Q

Chemical services performed on hair with low porosity require a solution that is:

A

more alkaline

46
Q

The ability of hair to stretch and return to its original length without breaking is referred to as hair:

A

elasticity

47
Q

Hair flowing in the same direction, the result of follicles sloping in the same direction form a:

A

hair stream

48
Q

Dry hair and scalp should be treated with products that contain :

A

moisturizers and emollients

49
Q

The scientific study of hair and its diseases and care

A

Trichology

50
Q

The part of the hair located below the surface of the epidermis

A

Hair root

51
Q

The outermost layer of hair

A

Cuticle

52
Q

An oily substance that lubricates the hair and skin

A

Sebum

53
Q

The growth phase, during which new hair is produced

A

Anagen

54
Q

The medical term for ringworm

A

Tinea

55
Q

Temporary hair loss experienced at the end of a pregnancy

A

Postpartum alopecia

56
Q

The technical term for brittle hair

A

Fragilitas crinium

57
Q

Long, coiled, complex polypeptides made of amino acids

A

Proteins

58
Q

Refers to the shape of the hair strand

A

Wave pattern

59
Q

The Greek words trichos means

A

“hair.”

60
Q

The body can produce

A

11 amino acids

61
Q

The dermal papilla contains the blood and nerve supply that provides the nutrients needed for

A

hair growth.

62
Q

The hair cuticle consists of an overlapping layer of transparent, scale-like cells that look like

A

shingles on a roof.

63
Q

Hair is approximately what percent protein.

A

90 percent protein.

64
Q

A peptide bond does not

A

reform

65
Q

hydrogen bond is reformed by

A

drying or cooling

66
Q

Pheomelanin provides

A

natural colors ranging from red and ginger to yellow and blond tones.

67
Q

Vellus hair is not pigmented and almost never has a

A

medulla.

68
Q

Complete body hair loss is called

A

alopecia universalis.

69
Q

You should not perform a service on a client who has

A

seborrheic dermatitis.

Properties of Hair and Scalp (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions