A&P Chapter 6 Test

Question 1

What are the general functions of the integumentary system?

Answer 1

-Prevent water loss
-Regulate body temperature
-Serves as coverings to protect other systems

Question 2

Layer of skin order from outside to inside

Answer 2

Epidermis
Dermis
Subcutaneous

Question 3

Epidermis

Answer 3

the most outer layer of the skin

Question 4

Dermis

Answer 4

This is where blood is drawn

Question 5

Subcutaneous

Answer 5

Contain adipose tissue to insulate/conserve heat

Question 6

Explain the process of keratinization

Answer 6

New cells pushing out, dying off, and filling with keratin

Question 7

Keratinization occurs in

Answer 7

The skin, hair, and nails

Question 8

What is melanin and what factors determine skin color?

Answer 8

Melanin protect deeper cells from the sun’s ultraviolet rays and is made up of Melanocytes. The factors are genetic, environmental, and physiological factors.

Question 9

What major accessory structures are located in the dermis?

Answer 9

It has collagen fibers, elastic fibers, nerve fibers, sensory fibers, hair follicles, sebaceous glands, and sweat glands.

Question 10

Explain the purpose of hair

Answer 10

It protects the body against trauma nad ultraviolet rays

Question 11

Hair Follicle

Answer 11

Living part of hair where cell division occurs

Question 12

Hair Shaft

Answer 12

Hair composed of dead epidermal cells

Question 13

Explain the purpose of nails

Answer 13

Nails are protective coverings over the ends of fingers and toes.

Question 14

Nail Plate

Answer 14

It overlies the nail bed

Question 15

Nail bed

Answer 15

Epithelial cells that are continuous with the epithelium of the skin

Question 16

Lunala

Answer 16

Most actively growing region of the nail root

Question 17

Explain the purpose of Sebaceous glands.

Answer 17

Secretes oily mixture to waterproof hair

Question 18

Distinguish between the activities used to heal a wound in the epidermis and those to heal a wound in the dermis.

Answer 18

When the dermis is affected (first degree burn) then use a cream. If the epidermis is damaged (third degree burn) then a transplant may be needed

Question 19

What are the different symptoms of inflammation

Answer 19

-Itchy
-Red
-Preamble

Question 20

What are the two different types of sweat glands

Answer 20

Eccrine and Apocrine

Question 21

Eccrine Glands

Answer 21

Sweat glands that are active throughout life

Question 22

Apocrine Glands

Answer 22

Glands that are activated at puberty

Question 23

Ceruminous Glands

Answer 23

Modified sweat gland to secrete earwax

Question 24

Mammary Glands

Answer 24

Modified sweat glands to secrete milk

Question 25

Merocrine Glands

Answer 25

The body’s response to temperature from the environment or physical exertion.

Question 26

Explain the mechanism the body uses to conserve heat

Answer 26

WHen the body is cold, blood vessels constrict. This decrease the hot-blood flow. Can cause shivering and goosebumps

Question 27

Explain the mechanism the body uses to lose heat

Answer 27

Blood vessels dilate. The nervous system stimulates the skin and organ to release heat. This can cause sweating

Question 28

Phagocytic cells

Answer 28

They remove dead cells and other debris. This lets the damaged tissues be replaced and a scab to happen. If the damage is extensive, then there may be a scar.

Question 29

What are the corresponding causes to acute and chronic inflammation

Answer 29

Acute: Injuries or infections
Chronic: Cancer, obesity, heart disease, stress, Type 2 Diabetes.