Chapter 10

Question 1

Which of the following is the tube-like depression or picket in the skin or scalp that contains the hair root?

A) arrector pili
B) hair follicle
C) dermal papilla
D) hair bulb

Answer 1

B) hair follicle

Question 2

The lower part of the hair bulb is hollow and fits over and covers the __________________.

A) dermal papilla
B) endocrine glands
C) arrector pili
D) sebaceous glands

Answer 2

A) dermal papilla

Question 3

Which of the following contains the blood and nerve supply that provides the nutrients needed for hair growth?

A) dermal papilla
B) arrector pili
C) cortex
D) medulla

Answer 3

A) dermal papilla

Question 4

Overactive sebaceous glands that secrete too much sebum can cause what type of scalp condition?

A) scale-like
B) dry
C) oily
D) flakey

Answer 4

C) oily

Question 5

Hair follicles are distributed all over the body, with the exception of the palms of the hands and the ______________.

A) fingers
B) top of the feet
C) ears
D) soles of the feet

Answer 5

D) soles of the feet

Question 6

The outermost layer of the hair is the ________________.

A) cortex
B) follicle
C) cuticle
D) medulla

Answer 6

C) cuticle

Question 7

What percentage of the total weight of the hair comes from the cortex?

A) less than 10 percent
B) 90 percent
C) 51 percent
D) 40 percent

Answer 7

B) 90 percent

Question 8

What layer of hair may be absent in very fine and naturally blond hair?

A) medulla
B) cuticle
C) cortex
D) keratin

Answer 8

A) medulla

Question 9

A healthy, compact cuticle is responsible for the _____________of the hair.

A) waviness
B) thickness
C) color
D) shine and silkiness

Answer 9

D) shine and silkiness