Integumentary System

Question 1

Hair

Answer 1

is a keratinous filament growing out of the epidermis. It is primarily made of dead, keratinized cells.

Question 2

Hair shaft

Answer 2

is the part of the hair not anchored to the follicle, and much of this is exposed at the skin’s surface

Question 3

Hair follicle

Answer 3

Strands of hair originate in an epidermal penetration of the dermis

Question 4

Hair root

Answer 4

The rest of the hair, which is anchored in the follicle, lies below the surface of the skin

Question 5

Nail free edge

Answer 5

nail is the part of the lamina that protrudes from the nail bed; it is therefore a “dead” and painless part of the nail.

Question 6

Lunula

Answer 6

the visible portion of the distal nail matrix that extends beyond the proximal nailfold

Question 7

Nail cuticle

Answer 7

a layer of clear skin located along the bottom edge of your finger or toe

Question 8

Nail root

Answer 8

The root portion of this nail lies below the skin, underneath the nail, and extends several millimeters into the finger

Question 9

sweat glands

Answer 9

coiled tubular structures vital for regulating human body temperature

Question 10

pores

Answer 10

somewhat irregularly spaced on the epidermal ridges

Question 11

eccrine

Answer 11

controlled by the sympathetic nervous system, regulates body temperature

Question 12

apocrine

Answer 12

denoting multicellular glands which release some of their cytoplasm in their secretions

Question 13

Basal Cell carcinoma

Answer 13

The most common type of skin cancer, white bump or scaly patch

Question 14

Squamous cell carcinoma

Answer 14

Are thin, flat cells that are scaly almost, and are found in the tissue that forms the surface of the skin. Gets it from sun exposure

Question 15

Melanoma

Answer 15

Is a skin cancer that forms in melanocytes that make melanin

Question 16

Eczema

Answer 16

It is a skin condition that can make your skin red, itchy, and flaky

Question 17

Acne

Answer 17

It occurs when the pores of your skin become blocked with oil, dead skin, or bacteria. Pimples are symptoms of acne.

Question 18

First-degree burn

Answer 18

Affect the epidermis, red, nonblistered skin

Question 19

second-degree burn

Answer 19

burns first or second layer of the epidermis
Blisters.
Deep redness.
Burned area may appear wet and shiny.

Question 20

Third-degree burn

Answer 20

A third-degree burn will not produce blisters or look wet. Instead, it will look dark red, dry, and leathery. All nerves are dead

Question 21

Forth degree burn

Answer 21

go through both layers of the skin and underlying issue as well as deeper tissue, possibly involving muscle and bone

Question 22

stretch marks

Answer 22

when skin stretches shrives quickly the sudden changes cause collagen and elastin.

Question 23

calcius

Answer 23

thick hard skin caused by pressure

Question 24

Integumentary System Main Organs

Answer 24

consisting of the skin, hair, nails, and exocrine glands.

Question 25

Function #1(protection)

Answer 25

underlying tissues . the shape of the cells is indicative of tissue function

Question 26

Function #2 (sensory)

Answer 26

sensory receptors, neural pathways, and parts of the brain involved in sensory perception

Question 27

Function #3 (thermoregulation)

Answer 27

All thermoregulation mechanisms are designed to return your body to ... of body temperature, it can affect your body's ability to function.

Question 28

Function #4 (vitamin D synthesis)

Answer 28

creating vitamin d

Question 29

Skin

Answer 29

protective barrier against mechanical, thermal and physical injury and hazardous substance

Question 30

Epidermis

Answer 30

provides a waterproof barrier and creates our skin tone

Question 31

Dermis

Answer 31

to support and protect the skin and deeper layers

Question 32

Hypodermis

Answer 32

provides the main structural support for the skin, as well as insulating the body from cold and aiding shock absorption

Question 33

Keratin

Answer 33

help form the tissues of the hair, nails, and the outer layer of the skin

Question 34

Keratinocyte

Answer 34

play multiple roles essential for skin repair

Question 35

Stratum basale

Answer 35

is the deepest layer, separated from the dermis by the basement membrane

Question 36

Stratum spinosum

Answer 36

responsible for the skin's strength and flexibility

Question 37

Stratum granulosum

Answer 37

help to form a waterproof barrier that functions to prevent fluid loss from the body

Question 38

Stratum lucidum

Answer 38

responsible for the capability of the skin to stretch

Question 39

Stratum corneum

Answer 39

the barrier that prevents unwanted materials from entering, and excessive loss of water from exiting the body.

Question 40

Thick Skin

Answer 40

4–5 cells thick

Question 41

Thin Skin

Answer 41

Single layer of cells