Chapter 5 MCQ Textbook Questions

Question 1

The papillary layer of the dermis is most closely associated with which layer of the epidermis?
a. stratum spinosum
b. stratum corneum
c. stratum granulosum
d. stratum basale

Answer 1

d) Stratum Basale

Question 2

Langerhans cells are commonly found in the ________.
a. stratum spinosum
b. stratum corneum
c. stratum granulosum
d. stratum basale

Answer 2

a) Stratum Spinosum

Question 3

The papillary and reticular layers of the dermis are composed mainly of ________.
a. melanocytes
b. keratinocytes
c. connective tissue
d. adipose tissue

Answer 3

c) Connective Tissue

Question 4

Collagen lends ________ to the skin.
a. elasticity
b. structure
c. color
d. UV protection

Answer 4

b) Structure

Question 5

Which of the following is not a function of the hypodermis?
a. protects underlying organs
b. helps maintain body temperature
c. source of blood vessels in the epidermis
d. a site to long-term energy storage

Answer 5

c) Source of blood vessels in the epidermis

Question 6

In response to stimuli from the sympathetic nervous system, the arrector pili ________.
a. are glands on the skin surface
b. can lead to excessive sweating
c. are responsible for goose bumps
d. secrete sebum

Answer 6

c) Are responsible for goose bumps

Question 7

The hair matrix contains ________.
a. the hair follicle
b. the hair shaft
c. the glassy membrane
d. a layer of basal cells

Answer 7

d) Layer of Basal Cells

Question 8

Eccrine sweat glands ________.
a. are present on hair
b. are present in the skin throughout the body
and produce watery sweat
c. produce sebum
d. act as a moisturizer

Answer 8

b) In the skin throughout the body

Question 9

Sebaceous glands ________.
a. are a type of sweat gland
b. are associated with hair follicles
c. may function in response to touch
d. release a watery solution of salt and
metabolic waste

Answer 9

b) Are associated with hair follicles.

Question 10

Similar to the hair, nails grow continuously throughout our lives. Which of the following is furthest from the nail growth center?
a. nail bed
b. hyponychium
c. nail root
d. eponychium

Answer 10

c) Nail Root

Question 11

In humans, exposure of the skin to sunlight is required for ________.
a. vitamin D synthesis
b. arteriole constriction
c. folate production
d. thermoregulation

Answer 11

a) Vitamin D synthesis

Question 12

One of the functions of the integumentary system is protection. Which of the following does not directly contribute to that function?
a. stratum lucidum
b. desmosomes
c. folic acid synthesis
d. Merkel cells

Answer 12

c) Folic Acid Synthesis

Question 13

An individual using a sharp knife notices a small amount of blood where he just cut himself. Which of the following layers of skin did he have to cut into in order to bleed?
a. stratum corneum
b. stratum basale
c. papillary dermis
d. stratum granulosum

Answer 13

c) Papillary Dermis

Question 14

As you are walking down the beach, you see a dead, dry, shriveled-up fish. Which layer of your epidermis keeps you from drying out?
a. stratum corneum
b. stratum basale
c. stratum spinosum
d. stratum granulosum

Answer 14

a) Stratum Corneum

Question 15

If you cut yourself and bacteria enter the wound, which of the following cells would help get rid of the bacteria?
a. Merkel cells
b. keratinocytes
c. Langerhans cells
d. melanocytes

Answer 15

c) Langerhans Cells

Question 16

In general, skin cancers ________.
a. are easily treatable and not a major health
concern
b. occur due to poor hygiene
c. can be reduced by limiting exposure to the sun
d. affect only the epidermis

Answer 16

c) Can be reduced by limiting exposure to the sun

Question 17

Bedsores ________.
a. can be treated with topical moisturizers
b. can result from deep massages
c. are preventable by eliminating pressure points
d. are caused by dry skin

Answer 17

c) Are preventable by eliminating pressure points.

Question 18

An individual has spent too much time sun bathing. Not only is their skin painful to touch, but small blisters have appeared in the affected area. This indicates that they have damaged which layers of skin?
a. epidermis only
b. hypodermis only
c. epidermis and hypodermis
d. epidermis and dermis

Answer 18

d) Epidermis and Dermis

Question 19

After a skin injury, the body initiates a wound- healing response. The first step of this response is the formation of a blood clot to stop bleeding. Which of the following would be the next response?
a. increased production of melanin by melanocytes
b. increased production of connective tissue
c. an increase in Pacinian corpuscles around the wound
d. an increased activity in the stratum lucidum

Answer 19

b) Increased production of connective tissue

Question 20

Squamous cell carcinomas are the second most common of the skin cancers and are capable of metastasizing if not treated. This cancer affects which cells?
a. basal cells of the stratum basale
b. melanocytes of the stratum basale
c. keratinocytes of the stratum spinosum
d. Langerhans cells of the stratum lucidum

Answer 20

c) Keratinocytes of the stratum spinosum.