Is

Question 1

Functions of integumentary system

Answer 1

Protect the body, maintain homeostasis, provide sensory information from external environment

Question 2

The three regions of the skin

Answer 2

Epidermis, dermis, subcutaneous layer

Question 3

Layer composed of keratin and stratified squamous epithelium tissue

Answer 3

Epidermis

Question 4

What toughens and waterproofs skin?

Answer 4

Keratin which is made of keratinocytes

Question 5

What kind of cells are in the epidermis?

Answer 5

Keratinocytes, merkel, langerhans cells, and melanocytes

Question 6

How many skin layers does the epidermis have?

Answer 6

Four unless it’s the palms or soles of the feet which have five

Question 7

Make the five layers from superficial to deep

Answer 7

Corneum, lucidum, granulosum, sphinosum, basale

Question 8

Epidermal cells are found deep in the stratum ——-

Answer 8

Basal

Question 9

The stratum corneum has a waterproof layer because

Answer 9

Epidermal cells full of keratin die and make up the stratum corneum

Question 10

What layer of the skin is made of tough connective tissue?

Answer 10

Dermis

Question 11

The epidermis and dermis are connected by ———-

Answer 11

Collagen fibers

Question 12

Layer of skin with nerve endings and blood vessels

Answer 12

Dermis

Question 13

Two major regions of the dermis

Answer 13

Papillary region and reticular region

Question 14

Layer of skin associated with touch, pain, heat, and cold

Answer 14

Dermis

Question 15

Where are hair follicles and glands found

Answer 15

Dermal layer

Question 16

Age effects on skin

Answer 16

Fewer elastic fibers as the body ages, reduction in cell division, blood circulation, muscle strength that cause less elastic and thinner dermis

Question 17

Glands found primarily in the armpits and groin

Answer 17

Apocrine

Question 18

Produce sweat when the body is anxious or experiencing stress

Answer 18

Apocrine sweat gland

Question 19

Found all over the body, primarily on forehead, neck, palms, and soles of feet

Answer 19

Eccrine sweat gland

Question 20

Sebaceous glands produce —– and are typically attached to——?

Answer 20

Oil, hair follicles

Question 21

This has antimicrobial properties which hell the skin fight off infections

Answer 21

Sebum

Question 22

The —— and the —— contain the most sebum but are not found at all in which two parts of the body?

Answer 22

Face and head

Palms and soles of feet

Question 23

What structure produces sebum?

Answer 23

Sebaceous glands

Question 24

What three functions does sebaceous oils have?

Answer 24

Make skin waterproof
Prevent from drying out
Have antimicrobial properties

Question 25

Accessory organs of the integumentary system are

Answer 25

Hair and nails

Question 26

Fingernails and toes nails are made of

Answer 26

Keratin

Question 27

Hard outer part of the nail

Answer 27

Nail plate

Question 28

Overhangs the finger tip

Answer 28

Free edge

Question 29

Layer of skin found under the nail plate

Answer 29

Nail bed

Question 30

The nail bed is comprised of

Answer 30

Epidermal cells

Question 31

The white space between the nail bed and cuticle is called the

Answer 31

Lunula

Question 32

Layer of tissue that contains blood vessels and nerves which is beneath the cuticle

Answer 32

Matrix

Question 33

The hair ----- is not attached to the follicle

Answer 33

Shaft

Question 34

Part of hair exposed to the surface of the body

Answer 34

Hair shaft

Question 35

Part of hair that contains actively dividing basal cells

Answer 35

Hair bulb

Question 36

Strongest risk factor of skin cancer

Answer 36

Exposure to ultraviolet radiation

Question 37

Uv radiation damages

Answer 37

DNA in the bodys cells

Question 38

Tumors in skin that move away from the original site of DNA damage and establish new tumors in other organs is called

Answer 38

Metastasis

Question 39

Two types of UV rays are

Answer 39

UVA and UVB

Question 40

Rays that penetrate the dermis and can cause skin cancer

Answer 40

UVA

Question 41

Rays that are responsible for sunburn and most skin cancers

Answer 41

UVB

Question 42

Most common skin cancer

Answer 42

Basal cell carcinoma which effects the basal cells and rarely spreads

Question 43

Second most common skin cancer and can metastasize if not removed

Answer 43

Squamous cell carcinoma effects the keratinocytes of the stratum spinosum

Question 44

Uncontrolled growth of melanocytes in the epidermis

Answer 44

Malignant melanoma

Question 45

Deeper dermal layer that provides elasticity to the skin

Answer 45

Reticular region