Brainscape's Knowledge GenomeTM

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


See full index

Hair Design (freshman) pt.1 > Trichology > Flashcards

Trichology Flashcards

1
Q

The technical term for the study of hair is called…

A

Trichology

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

When looking through a microscope, which portion of the hair would display living cells?

A

Hair bulb

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

Hair grows from a tube-like “pocket” called a follicle or a/an

A

Root sheath

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

The diameter of the hair fiber will be the same as…

A

The inside diameter of the hair follicle

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

What is the natural flow of hair determined by?

A

The angle of the follicle

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

The primary parts of the hair are the fiber and the…

A

Hair root

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

What resembles the shape of a golf club and covers the follicle at the lower portion of the hair root?

A

Bulb

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

Located at the bottom of the follicle and supplying nourishment to the germinal matrix is the…

A

Papilla

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

The three major layers of the hair are…

A

Medulla, cortex, and cuticle

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

The pigment that gives hair it’s color is found primarily in the…

A

Cortex

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

The layer of hair consisting of unique protein structures that give hair most of its pigment and strength (elasticity) is called the…

A

Cortex

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

The outer covering of the hair shaft made up of overlapping layers of transparent scales is called the…

A

Cuticle

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

Hair that has been pulled out from the roots can grow back under what circumstance?

A

The papilla has not been destroyed.

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

The central core of the hair shaft sometimes missing in fine or very fine hair is called the…

A

Medulla

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

What helps protect the hair and skin from becoming too dry?

A

Sebum

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

Oil glands are attached to the side of the…

A

Root sheath/follicle

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

What is formed when sebum produced by the oil glands mixes with the body’s perspiration?

A

Acid mantle

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

The muscle that causes the hair to stand on end when a person is scared or cold is known as the…

A

Arrector pili

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

Hair is made up primarily of…

A

Protein

20
Q

Active growing stage of hair

A

Anagen stage

21
Q

The active growing stage of hair lasts how long?

A

2-6 years

22
Q

Catagen, a brief transitional stage of hair growth, lasts for what amount of time?

A

Only a few weeks

23
Q

The hair growth stage when all cell division stops is the…

A

Catagen stage

24
Q

The resting stage of hair growth when the hair bulb has no attached root sheath is referred to as…

A

Telogen stage

25
Q

Human hair, on average, grows about how much per month?

A

1/2”

26
Q

The lips, soles of feet, palms of hands and eyelids do not have…

A

Hair

27
Q

What is the technical term for eyelash hair?

A

Cilia

28
Q

What is the hard, resistant layer of protein that protects the hair shaft?

A

Cuticle

29
Q

The cross-section, or diameter, of the hair shaft is much larger in coarse hair than what type of hair?

A

Fine hair

30
Q

The large variety of hair color is influenced by the amount, size, type and distribution of…

A

Eumelanin and pheomelanin

31
Q

Gray hair is caused by…

A

Reduced color pigment, melanin, in the cortex of the hair

32
Q

The process of hair turning gray is usually caused by…

A

Natural aging process

33
Q

Degree of coarseness or fineness of the hair fiber is referred to as…

A

Texture

34
Q

Number of active hair follicles per square inch on the scalp refers to…

A

Density

35
Q

Ability of hair to absorb moisture, liquids or chemicals is known as…

A

Porosity

36
Q

If the layers of the cuticle are very close together, the hair has what type of porosity?

A

Resistant

37
Q

Hair that has been damaged by the environment or overprocessed has what type of porosity?

A

Extreme

38
Q

Wet hair is able to be stretched to what percent of its length?

A

40%-50%

39
Q

Small cracks starting at the cuticle and splitting the hair entirely are known as brittle hair, fragilitis crinium or…

A

Trichoptilosis

40
Q

Lumps or swelling along the hair shaft is known as knotted hair, nodosa, or…

A

Trichorrhexis

41
Q

Condition in which alternating bands of gray and dark hair exist

A

Ringed hair

42
Q

Abnormal coverage of hair on areas of the body where normally only lanugo or baby-fine hair appears is a condition known as…

A

Hypertrichosis

43
Q

A condition in which beads or nodes form on the hair shaft is called…

A

Monilethrix

44
Q

Chronic scalp condition with excessive flaking that accumulates in the scalp or falls to the shoulders is known as dandruff or…

A

Pityriasis

45
Q

Dry flakes attached to the scalp or on the hair, which can appear translucent are called…

A

Pityriasis capitis simplex

46
Q

What are the main purposes of hair?

A

Adornment, protection

Hair Design (freshman) pt.1 (1 decks)

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