Integumentary System

Question 0

Integument came from the Latin word which means

Answer 0

Integumentum

To cover

Question 1

Total surface area of the human skin is approximately

Answer 1

18 sq ft

Question 4

The largest organ of the body is how many percent of the body weight?

Answer 4

12-15%

Question 5

The skin’s most important function is

Answer 5

Protection

Question 6

Main functions of the integ sys?

Answer 6

Barrier against infection and injury
Regulate body weight
Remove waste prods from the body
Protect against uv radiation from the sun
Produce vit D

Question 7

2 layers of the integ sys

Answer 7

Epidermis and dermis

Question 8

Composed of sheets of flattened, scaly epithelial cells

Answer 8

Epidermis

Question 9

Most of its cells undergo rapid cell division or mitosis

Answer 9

Epidermis

Question 10

Tough fibrous protein and forms the basic structure of hair, nails and calluses

Answer 10

Keratin

Question 11

Melanin produced in skin depends on 2 factors

Answer 11

Heredity

Length of time the skin is exposed o uv radiation

Question 12

Absorb uv radiation from sun and excess exposure lead to skin CA such as melanoma

Answer 12

Melanin

Question 13

True or False

There are NO BLOOD VESSELS in epidermis

Answer 13

True

Question 14

Epidermis layers

Answer 14

Stratum basale
Stratum spinosum
Stratum granulosum
Stratum lucidum
Stratum corneum

Question 15

Pigment containing layer of the epidermis

Answer 15

Stratum granulosum

Question 16

This layer is where its amount determines skin color

Answer 16

Stratum basale

Melanocytes

Question 17

Innermost thick layer which lies beneath the epidermis

Answer 17

Dermis

Question 18

The dermis contains

Answer 18

Blood vessels, nerve endings, glands, sense organs, smooth muscles and hair follicle

Question 19

Collagen fibers hat tend to be horizontal forming the creasing of the skin

Answer 19

Langer’s lines

Question 20

Classical caesarian cut

“Bikini cut”

Answer 20

Pfanensteil

Question 21

Attached o underside of hairs, contraction pull hairs erect causing goose flesh “bumps”

Answer 21

Erector pili muscle

Question 22

Pain is detected by

Answer 22

Free nerve endings

Question 23

Coldness is detected by

Answer 23

Krause end bulbs

Question 24

Pressure and vibration are detected by

Answer 24

Pacinian corpuscles

Question 25

On a cold day when the body needs to conserve heat the blood vessels in the dermis

Answer 25

Narrow

Question 26

Produce watery secretions which contains salt, water and other products

Answer 26

Sweat glands

Question 27

Produce oily secretion called sebum

Answer 27

Sebaceous glands

Question 28

This type of sweat gland is linked to the sympathetic nervous system

Answer 28

Eccrine glands

Question 29

This type of sweat gland is found in the axillary and groin areas

Answer 29

Apocrine glands

Question 30

If skin is subjected to repeated fiction the rate of mitosis will increase and create a thicker epidermis thus called

Answer 30

Callus

Question 31

Layer of fat and loose connective tissue and insulates the body

Answer 31

Hypodermis or subcutaneous layer

Question 32

Tubelike pockets of epidermal cells that extend into the dermis

Answer 32

Hair follicle

Question 33

Hair gets its color from

Answer 33

Melanin

Question 34

Children lacking sufficient vit D develop bone abnormalities known as

Answer 34

Rickets