Integumentary ( LAB)

Question 1

lines body cavities and form protective sheets

Answer 1

Body membranes

Question 2

represented by synovial membranes

Answer 2

connective tissue membranes

Question 2

consists of cutaneous, mucous, and serous membranes

Answer 2

epithelial membranes

Question 3

exposed to air and is a dry membrane

Answer 3

epithelial membrane

Question 3

composed of stratified squamous membranes

Answer 3

epidermis

Question 4

composed of dense connective tissues

Answer 4

dermis

Question 5

type of epithelial membrane that rests on a connective tissue membrane called lamina propria. it also lines all body cavities that open to the exterior

Answer 5

mucous membrane

Question 6

known as serosa, this epithelial membrane lines body cavities that are closed to the exterior

Answer 6

serous membranes

Question 7

type of serous membrane that lines a specific portion of the ventral body cavity

Answer 7

parietal layer

Question 8

this type of serous membrane covers the outside of the organ in that cavity

Answer 8

visceral membrane

Question 9

largest organ of the body which takes 15-20% of the body weight. this organ protects, insulates, and synthesizes vitamin D

Answer 9

skin

Question 9

a type of connective tissue membrane that is composed of areolar connective tissues and lines the fibrous capsules, and surrounding joints to provide a smooth and lubricated surface

Answer 9

synovial membrane

Question 10

first layer of the integumentary system that is made up of keratinocytes that produces keratin

Answer 10

epidermis

Question 11

layer of epidermis that protects the body from infection and is waterproof

Answer 11

corneum

Question 12

layer of epidermis that is found on palms and soles

Answer 12

lucidum

Question 13

layer of epidermis that retains water and regulates heat

Answer 13

granulusum

Question 14

layer of epidermis that protects basale

Answer 14

spinosum

Question 14

known as germinativum, this layer of epidermis has melanocytes and is a site of epidermal regeneration

Answer 14

basale

Question 15

this is formed from a strong shearing force applied to the skin. layers may separate and interstitial fluid then accumulates in the space

Answer 15

blister

Question 16

layer of the skin that is known as corium and “true skin”. it has elastin and collagen for elasticity and toughness

Answer 16

dermis

Question 17

upper layer of dermis that forms fingerprints/footprints

Answer 17

papillary layer

Question 18

lower layer of dermis

Answer 18

reticular layer

Question 19

this layer of the skin contains lymphatics, nerve endings, blood vessels, sebaceous and sweat glands

Answer 19

dermis

Question 20

one of the receptors found in the dermis that receives pain and itch

Answer 20

free nerve endings

Question 21

one of the receptors found in dermis that reacts to light touch

Answer 21

merkel's receptors

Question 22

another receptor found in dermis that reacts to light touch

Answer 22

meisner's receptors

Question 23

one of the receptors found in dermis which responds to heat

Answer 23

ruffini's corpuscles

Question 24

one of the receptors found in dermis that reacts to cold

Answer 24

Kraus end bulbs

Question 25

one of the receptors found in dermis that reacts to pressure and vibration

Answer 25

Pacinian corpuscles

Question 26

comes in three specific types and is responsible for freckles and moles

Answer 26

melanin

Question 27

orange-yellow pigment that is usually found in the stratum corneum and the subcutaneous tissue. it may have a slight yellow orange cast to the skin if consumed in large amount

Answer 27

carotene

Question 28

known as hypodermis, this layer of the skin contains fats and loose connective tissues. This supports, insulates, cushions, and stores energy

Answer 28

subcutaneous tissue

Question 29

this pigment is found on red blood cells. this allows binding of oxygen to the cells

Answer 29

hemoglobin

Question 30

is produced when CO (carbon monoxide) poisoning occurs

Answer 30

cherry red

Question 31

color of skin which indicates anemia, arterial insufficiency, shock, fear, or lack of sunlight exposure

Answer 31

pallor/pale

Question 32

color of skin which indicates smoking, arterial obstruction, advanced lung disease, CHD, or CHF

Answer 32

cyanosis

Question 33

color of skin which indicates venous insufficiency

Answer 33

brown

Question 34

color of skin which indicates liver disease or carotenemia

Answer 34

jaundice

Question 35

brownish yellow spots on skin due to aging, pregnancy, liver/urine malignancies

Answer 35

liver spots

Question 36

one of the appendages of the skin that is also known as the sudoriferous gland. this gland produces sweat.

Answer 36

sweat glands

Question 37

known as oil gland, this gland produces oil and sebum

Answer 37

sebaceous gland

Question 38

also known as arrector pili muscle, this smooth muscle is responsible for goose bumps

Answer 38

erector pili muscle

Question 39

this has three concentric layers: cuticle, cortex, and medulla

Answer 39

hair

Question 40

type of hair that is course, thick, and pigmented. found on the scalp,eyebrows, and eyelashes

Answer 40

terminal hair

Question 41

type of hair that is short and fine. it is found on chest and arms

Answer 41

vellus

Question 42

scale like modification of the epidermis that corresponds to the hoof/claw of other animals

Answer 42

nail

Question 43

also known as nail tip

Answer 43

free edge

Question 44

visible attached portion of the nail

Answer 44

body

Question 45

part of the nail that is embedded in the skin

Answer 45

root

Question 46

borders of the nail are overlapped by folds of skin

Answer 46

nail folds

Question 47

edge of the thick proximal nail fold

Answer 47

cuticle

Question 48

extension of S. basale beneath the nail

Answer 48

nail matrix

Question 49

the white cresent

Answer 49

lunule/lunula

Question 50

thickened proximal area of nail matrix that is responsible for nail growth

Answer 50

nail bed

Question 51

itchy, red, peeling condition of the skin between the toesfrom an infection with the fungus tinea pedis

Answer 51

athlete's foot

Question 52

caused by inflammation of hair follicles and surrounding tissues

Answer 52

boils

Question 53

clusters of boils often caused by bacterium staphylococcus aureus

Answer 53

carbuncles

Question 54

small fluid filled blisters that is caused by human herpesvirus 1 infection. the virus localizes in a cutaneous nerve where it remains dormant until activated by emotional upset, fever, or UV radiation

Answer 54

cold sores

Question 55

itching, redness, and swelling of the skin which progresses to blistering. caused by exposure of skin to chemicals that provoke allergy

Answer 55

contact dermatitis

Question 56

pink, fluid-filled raised lesions that develop a yellow crust and eventually a rupture. Caused by highly contagious staphylococcus or streptococcus infections

Answer 56

impetigo

Question 57

reddened epidermal lesions covered with dry, silvery scales that itch, burn, crack, and sometimes bleed.

Answer 57

psoriasis

Question 58

skin injury caused by fire, thermal, electric currents, radiation, uv light

Answer 58

burns

Question 59

types of burn damage to the epidermis that manifests skin erythema, slight edema, tenderness, and shows no blistering. Usually takes 3-7 days.

Answer 59

superficial burn

Question 60

damage to the epidermis and upper layer of dermis. heals up 7-21 days

Answer 60

superficial-partial thickness

Question 61

type of partial thickness burn which refers to the damage to the epidermis and most of the dermis. formation of raised scars and usually takes 21-35 days to heal.

Answer 61

deep partial thickness

Question 62

degree of burn injury which damages the epidermis, dermis, and subcutaneous tissue.

Answer 62

full thickness burn or third degree burn

Question 63

degree of burn injury which damages the Damage to epidermis, dermis, subcutaneous tissue, extending to muscles & bones

Answer 63

subdermal burn or 4th degree burn

Question 64

type of cell carcinoma that is slow growing, ivory in appearance, rarely metastasizes, and mostly caused by sun exposure

Answer 64

basal cell carcinoma

Question 65

type of cell carcinoma that is fast growing, flat red area, ulcer/nodule, has poorly defined border, and can metastasize.

Answer 65

squamous cell carcinoma

Question 66

type of cell carcinoma that is a tumor arising from melanocytes. >6mm in size

Answer 66

malignant melanoma.