Chapter 4

Question 1

What contributes to skin color?

Answer 1

melanin
Carotene
hemoglobin

Question 2

Which cells produce the fibrous protein, keratin?

Answer 2

Kertinocytes

Question 3

Mitosis occurs in which layer of the epidermis?

Answer 3

basale

Question 4

What waterproofing protein is found in the epidermis?

Answer 4

Keratin

Question 5

Which layer of the epidermis is found only in thick skin?

Answer 5

lucidum

Question 6

the dermis is composed of which type of tissue?

Answer 6

connective

Question 7

which vitamin is produced in the dermis

Answer 7

Vitamin D

Question 8

which layer of the dermis is closest to the epidermis?

Answer 8

papilary

Question 9

Sudoriferous glands are also known as what?

Answer 9

sweat glands

Question 10

which lands are only found in the lining of the ear canal

Answer 10

cerumnious glands

“cera” = wax

Question 11

Eccrine Glands

Answer 11

• connect to pores but not associated with hair

- main fuction is screcting sweat

Question 12

Types of Sudoriferous glands

Answer 12

Eccrine and Aprocine

Question 13

Apocrine glands

Answer 13

• become active after puberty

- ducts connect to hair follicles

Question 14

Five layers of the epidermis from the surface downward

Answer 14

Horny layer
Clear layer
Granular layer
Prickly layer 
Basal layer

Question 15

Only fluid tissue of the body

Answer 15

Blood

Question 16

epidermal call that has a role in immunity and disease resistence

Answer 16

Langerhans

Question 17

also known as oil glands, ususally in hair follicles

Answer 17

sebaceous glands

Question 18

arrector pili muscles

Answer 18

attached to the follicle

lift up the hair to create “goose bumps”

Question 19

functions of the integument system

Answer 19

Protection
body temp regulaton
cutaneous sensations
blood resevoir
excretion

Question 20

first degree burns

Answer 20

epidermal damage only

Question 21

second degree burns

Answer 21

epidermal and upper dermal damage

Question 22

third degree burns

Answer 22

entire thickness of skin damaged

Question 23

what percentage of the body’s blood is in the integumentary system?

Answer 23

5%

Question 24

tactile (merkel cells)

Answer 24

touch receptors

Question 25

the hair and nails are modifications of what?

Answer 25

the epidermis