Chapter 6-integumentary System

Question 1

The skin is also called the

Answer 1

Cutaneous membrane

Question 2

Epidermis

Answer 2

The outermost layer of the skin
Stratified squamous epithelial tissue
Contains no blood vessels

Question 3

Dermis

Answer 3

Inner layer of the skin
Connective tissue
Contain collagen, elastin, and reticular fibers

Question 4

Papillae

Answer 4

Finger like projections that extent upward from the dermis to bind to the epidermis

Question 5

Hypodermis

Answer 5

Bottom layer of the skin
Loose connective, and adipose tissue
Regulates temperature and connects skin to underlying tissue

Question 6

The most inner layer of the epidermis

Answer 6

Stratum basale or germinative

Question 7

The outermost layer of the epidermis

Answer 7

Stratum corneum

Question 8

Keratinocytes

Answer 8

Newly arrived flatten cells that replace dead cells in the epidermis

Question 9

Keratin

Answer 9

Tough fiberous protein that provides strength and structure to cells

Question 10

Melanocytes

Answer 10

Cells scattered throughout the epidermis create melanin

Question 11

Melanin

Answer 11

Gives color to the skin

Question 12

Hair shaft

Answer 12

Part of the hair that extents above the skins surface

Question 13

Hair follicle

Answer 13

Part of the hair that lies within a sheath of the epidermis

Question 14

Hair bulb

Answer 14

Lowest part of the hair where growth occurs

Question 15

Papilla

Answer 15

Connective tissue and blood vessels that nourish hair

Question 16

Arrector pili muscle

Answer 16

Smooth muscle that contracts to stick hair straight up

Question 17

What are the two types of sweat glands

Answer 17

Eccrine and apocrine

Question 18

Eccrine glands

Answer 18

Contain a duct that leads from a secretory portion through the dermis and epidermis onto the skins surface

Question 19

Appocrine gland

Answer 19

Contain a duct that leads to a hair follicle instead of the skins surface

Question 20

Sebaceous glands

Answer 20

Open into a hair follicle and secrete an oily substance called sebum

Question 21

Sebum

Answer 21

An oily substance that keeps the skin and hair from drying out

Question 22

Ceruminous glands

Answer 22

Exists in the external ear canal

Makes cerumen

Question 23

Cerumen

Answer 23

Ear wax

Question 24

First degree burn

Answer 24

Epidermis
Redness swelling and pain
Often a sunburn

Question 25

Second degree burn

Answer 25

Epidermis and dermis Blisters sever pain and swelling Scarring possible Red white or tan

Question 26

Third degree burn

Answer 26

Goes into the subcutaneous layer May not initially be painful due to destruction of nerve endings White or black and leathery Skin grafts