Integumentary System Warm Up

Question 1

What are Stratum Germinativum cells?

Answer 1

Epidermal cells that are actively mitotic and replace superficial cells that are continually rubbed off.

Question 2

What causes the “tanning” effect that occurs when a person is exposed to the sun?

Answer 2

Melanin

Question 3

Fingernails and toenails are composed of what material?

Answer 3

Keratin

Question 4

What are the categories of epithelial tissue membranes?

Answer 4

-Mucous
-Cutaneous
-Serous
-Synovial

Question 5

How do physicians estimate the volume of fluid lost in a severely burned patient?

Answer 5

Using the “Rule of Nines”

Question 6

What do eccrine glands secrete?

Answer 6

-99% of water; sodium chloride, trace amounts of wastes, lactic acid, and vitamin C
-Sweat

Question 7

Describe the function of arrector pilli muscles:

Answer 7

In an attempt to warm the body up when cold, the arrector pilli muscles contract to stand hairs up.

Question 8

Describe the hypodermis level of skin:

Answer 8

Adipose tissue

Question 9

Describe the function of keratin in skin:

Answer 9

Water resistance

Question 10

A pigmented spot that contains areas of different colors could indicate what?

Answer 10

Melenoma

Question 11

How does skin synthesize vitamin D?

Answer 11

It converts modified epidermal cholesterol to vitamin D.

Question 12

Acne and seborrhea are caused by problems with what glands?

Answer 12

Sebaceous glands