Intengumentary System

Question 1

The layers of the epidermis deepest to moist outward is

Answer 1

basale, spinosum, granulosum, corneum

Question 2

The layers of the epidermis where mitotic division occurs are the

Answer 2

basale and spinosum

Question 3

The epidermis consists of (tissue)

Answer 3

stratified squamous epithelium

Question 4

Difference in skin color between Individuals reflect distinct

Answer 4

levels of melanin synthesis

Question 5

The basic factors interacting to produce skin color are

Answer 5

circulatory supply and pigment concentration and concentration

Question 6

Blisters classify burns as

Answer 6

2nd degree

Question 7

When exposed to ultraviolet radiation, epidermal cells in the stratum basale and stratum spinsoum convert a cholesterol-related steroid into

Answer 7

vitamin D3

Question 8

The hormone essential for the normal absorption of calcium and phosphorus by the small intestine is

Answer 8

calcitriol

Question 9

Epidermal growth factors EF has widespread effects on epithelium tissue that it

Answer 9

promotes the division of germinative cells
accelerates the production of keratin
stimulates epidermal development and repair

Question 10

The two major cmoneents of the dermis are

Answer 10

a papillary and reticular layer

Question 11

The primary tissues comprising the hypodermis are

Answer 11

areolar and adipose tissue

Question 12

The reason the hypodermis is a good location for subcutaneous injections by hypodermic needle is that it has a

Answer 12

limited number of capillaries and no vital organs

Question 13

An important function of the subcutaneous layer is to

Answer 13

stabilize the position of the skin in relation to underlying tissue

Question 14

Special smooth muscles in the dermis that, when contracted, produce “goose bumps” are called

Answer 14

arrector pili

Question 15

Hair production occurs in the

Answer 15

hair follicle, in the hair matrix

Question 16

The natural factors responsible for varying shades of hair color is the

Answer 16

number of melanocytes
amount of carotene production
type of pigment presented

Question 17

Accessory structures in the skin include

Answer 17

hair follicles, sebaceous glands, and sweat glands

Question 18

Sensible perspiration released by the eccrine sweat glands serves to

Answer 18

cool the surface of the skin
reduce body temperatures
dilute harmful chemicals

Question 19

When the body temperature becomes abnormally high, thermoregulatory homeostasis is maintained by

Answer 19

increase in sweat gland activity and blood flow to the skin

Question 20

Not visible from the surface, nail prediction occurs at an epithelial fold called the

Answer 20

nail root

Question 21

The immediate response by the skin to an injury is

Answer 21

bleeding and an inflammatory response triggered by damaged mast cells

Question 22

The practical limit to the healing process of the skin is the formation of inflexible, fibrous, noncellular

Answer 22

scar tissue

Question 23

Hair turns gray or white due to

Answer 23

decrease in melanocyte activity

Question 24

Sagging and wrinkling of the integument occurs from

Answer 24

a decrease in the elastic fiber network of the dermis