Hair Theory

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

• cuticle

• papilla

• medulla

• arrector pili

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

• resting stage

• anagen stage

• catagen stage

• transitional stage

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

• only a few weeks

• 1-2 years

• 2-6 years

• up to 10 years

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

• active stage

• telogen stage

• anagen stage

• catagen stage

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

• hair

• cells

• nerves

• muscles

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

• less elastic

• more elastic

• resistant to holding a set

• resistant to holding a perm

The tighter the textured hair curl pattern, the:

• dryer the hair

• oiler the hair

• frizzier the hair

• shinier the hair

Eumelanin is the type of melanin that produces:

• red hair color

• red/orange hair color

• brown/black hair color

• brown/orange hair color

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

• lanugo

• anagen

• albinism

• alopecia

Gray hair is caused by a(n):

• reduced pigment in the medulla layer of the hair

• reduced color pigment in the cortex layer of the hair

• excessive color pigment in the cuticle layer of the hair

• excessive color pigment in the cortex layer of the hair