Chap. 9 A&P Integumentary System

Question 1

What are the 3 main functions of skin

Answer 1

Protect from pathogens

Thermoregulates

Protects from irritants

Question 2

How many layers in skin

Answer 2

3

Epidermis
Dermis
Subcutaneous

Question 3

What does melanin protect is from

Answer 3

Dark pigment

Protects from UV rays

Question 4

What is keratin

Answer 4

Living protein,waxy substance, water proofs the skin

Question 5

What is erector pilli

Answer 5

Small nerve connected to hair follicle makes it stand erect

Question 6

Largest organ in the body

Answer 6

Skin

Question 7

The skin protects the body from fluid loss or gain and serves as barrier to

Answer 7

Microorganisms

Question 8

In skin cells, uppermost layer of epidermis are rich in the waterproofing substance called

Answer 8

Keratin

Question 9

The secretion of sebaceous glands enter the

Answer 9

Hair follicle

Question 10

The pigment melanin

Answer 10

Protects against UV rays

Question 11

He is lost from the body by all of the following mechanisms except

Which option

Answer 11

Osmosis -

Evaporation

Conduction

Convection

Question 12

The superficial fascia is located

Answer 12

Beneath the dermis

Question 13

Five layers of epithelium are found on the

Answer 13

Palms of hands and soles of feet

Think of thick skin

Question 14

Arrector Pillie muscles are associated with

Answer 14

Hair follicles

Question 15

The function of cerumem is to

Answer 15

Trap foreign substances before they enter the ear