Ch 7

Question 1

About how many years of post-high school education and training are required to become a
dermatologist? 
a.  Two 
b.  Four 
c.  Eight 
d.  Twelve

Answer 1

d. Twelve

Question 2

The surface of healthy skin is slightly _____.

a. yellow
b. alkaline
c. rough
d. acidic

Answer 2

d. acidic

Question 3

The epidermis has _____ layers.

a. three
b. five
c. seven
d. nine

Answer 3

b. five

Question 4

The layer of skin that is seen and treated by the cosmetologist is the _____.

a. Stratum corneum
b. keratin
c. melanin
d. Stratum spinosum

Answer 4

a. Stratum corneum

Question 5

The skin layer in which the shedding of skin cells first begins is the stratum _____.

a. lucidum
b. corneum
c. spinosum
d. granulosum

Answer 5

c. spinosum

Question 6

The deepest layer of the epidermis, the basal cell layer, is also known as the _____.

a. stratum spinosum
b. stratum germinativum
c. stratum corneum
d. keratin dermis

Answer 6

b. stratum germinativum

Question 7

What is the name of the special cell in the stratum germinativum, responsible for producing dark skin
pigment? 
a.  Papules 
b.  Melanocytes 
c.  Sensory nerve fibers 
d.  Dermal papillae

Answer 7

b. Melanocytes

Question 8

The underlying or inner layer of the skin, which is also called the derma corium, cutis, or true skin, is
the \_\_\_\_\_. 
a.  papillary 
b.  dermal 
c.  dermis 
d.  epidermis

Answer 8

c. dermis

Question 9

The highly sensitive dermis layer is about _____ times thicker than the epidermis.

a. 10
b. 15
c. 20
d. 25

Answer 9

d. 25

Question 10

The outermost layer of the dermis is the _____ layer.

a. papillary
b. dermal
c. tactile
d. reticular

Answer 10

a. papillary

Question 11

The deeper layer of the dermis that supplies the skin with oxygen and nutrients is the _____.

a. papillary layer
b. subcutaneous layer
c. reticular layer
d. basal layer

Answer 11

c. reticular layer

Question 12

Which type of nerve fibers carry impulses from the brain to the muscles?

a. Sensory
b. Motor
c. Secretory
d. Central

Answer 12

b. Motor

Question 13

What layer of the dermis houses the nerve endings that provide the body with the sense of touch?

a. Secretory layer
b. Papillary layer
c. Dermal layer
d. Reticular layer

Answer 13

b. Papillary layer

Question 14

The melanin produced by the body that is red to yellow in color is _____.

a. granular melanin
b. pheomelanin
c. eumelanin
d. photovoltaic

Answer 14

b. pheomelanin

Question 15

_____ helps protect sensitive cells from UV rays.

a. Melanin
b. Sebum
c. Keratin
d. Elastin

Answer 15

a. Melanin

Question 16

Vitamin _____ may help improve the skin’s elasticity and thickness.

a. C
b. B
c. A
d. D

Answer 16

c. A

Question 17

Vitamin _____ promotes the production of collagen.

a. A
b. C
c. B
d. D

Answer 17

b. C

Question 18

Which vitamin enables the body to properly absorb and use calcium?

a. A
b. C
c. D
d. E

Answer 18

c. D