Properties of the Hair and Scalp Part 2

When the pigment is gone and air spaces develop, the hair appears to be:

• red

• blonde

• black

• gray

A person with no coloring matter in their hair has:

• Albinism

• Canities

• Hypertrichosis

• Alopecia

A high concentration of pheomelanin will result in:

• blonde hair

• red hair

• black hair

• brown hair

Match the following

• anagen

• the transitional cycle of the hair, which lasts 1-2 weeks

• catagen

• The growing cycle of the hair, which lasts 2-6 years

• telogen

• the resting cycle of the hair, which lasts 3-6 months

What happens to the hair follicle during catagen?

• Grows longer and thicker
• Becomes more deeply rooted in the dermal papilla
• Stops growing and remains the same size
• it decreases in volume and detaches from the dermal papilla

What is a normal amount of hair to lose per day?

Dry normal hair can stretch to about

20% or ​ (a)   ​ of its length while normal wet hair can stretch to about ​ (b)   of its length.

• 3/4
• 1/3
• 1/5
• 1/2

What is the average life of hair on the head?

• 8 to 9 years

• 1 to 3 months
• 2 to 6 years

• 10 to 15 years

What is the average rate of hair growth?

• 0.5 inches (1.25 cm) per month
• 1 inch (2.5 cm) per month
• 0.25 inches (0.6 cm) per month
• 2 inches (5 cm) per month

Eyelashes and eyebrows are replaced every:

• 1 year
• 4 to 5 months

• 6 to 8 months
• 2 to 4 weeks