102b.14 - Hair Theory

Question 1

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

Answer 1

Hair bulb

Question 2

Hair grows from a tube-like “pocket” called a root sheath or a(n):

Answer 2

Follicle

Question 3

The follicle in straight hair is typically:

Answer 3

Round

Question 4

The hair follicle that produces tightly curled hair is typically:

Answer 4

Elliptical

Question 5

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

Answer 5

Papilla

Question 6

The outer covering of the hairstrand made up of overlapping layers of transparent scales is called the:

Answer 6

Cuticle

Question 7

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

Answer 7

Cortex

Question 8

Hair that has been pulled out from the roots will grow back under which of the following circumstances?

Answer 8

The papilla has not been destroyed

Question 9

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

Answer 9

Sebum

Question 10

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

Answer 10

Acid mantle

Question 11

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

Answer 11

Arrector pili

Question 12

Which of the following terms is known as the active growing stage of hair?

Answer 12

Anagen stage

Question 13

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

Answer 13

only a few weeks

Question 14

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

Answer 14

Telogen stage

Question 15

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

Answer 15

Hair

Question 16

Hair that is 90% cortex and 10% cuticle when compared to hair that is 40% cuticle would be considered to be :

Answer 16

More elastic

Question 17

What is the total lack of pigmentation in the hair and skin called?

Answer 17

Albinism

Question 18

Gray hair is caused by a(n):

Answer 18

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

Question 19

Eumelanin is the type of melanin that produces:

Answer 19

Brown/black hair color

Question 20

People with lighter colored hair have melanin in the:

Answer 20

Cortex only