Skin and Body membranes Flashcards

1
Q

2 layers of cutaneous membranes

A

Epidermis & dermis

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2
Q

lines all body cavities that open to the exterior such as organs of respiratory, digestive, urinary (hollow)

A

Mucous membranes

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3
Q

covers the outside of the organs in the cavity

A

Visceral

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4
Q

lines abdominal cavity

A

peritoneum

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4
Q

membranes around the lungs

A

pleurae

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4
Q

allows organs to slide easily across the cavity walls without friction

A

serous fluid

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5
Q

membranes around the heart

A

pericardia

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6
Q

membranes that lines fibrous capsules surrounding joints :secretes fluid

A

Synovial membranes

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7
Q

composed of loose areolar connective tissue w no epithelial cells

A

Synovial membrane

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8
Q

these are secreted when we sweat

A

urea, salts, & water

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9
Q

anchors the skin to underlying organs & provides site for nutrient storage : adipose fat

A

subcutaneous or hypodermis

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10
Q

makes epidermis a tough protective layer

A

keratin

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11
Q

is epidermis vascular or avascular?

A

avascular

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12
Q

The multiple layers of EPIDERMIS:

A

stratum basale, granulosum, spinosum, lucidum & corneum

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13
Q

deepest layer of epidermis

A

Stratum basale

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14
Q

this is where nutrients diffused from dermis reach first

A

Stratum basale

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15
Q

this layer only occurs where skin is hairless & extra thick

A

Stratum lucidum

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16
Q

account for three quarters of the epidermal thickness ; outermost layer

A

Stratum corneum

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17
Q

dead stratum corneum :flaked and rubbed

A

dandruff

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18
Q

pigment changes ranges from yellow to black

A

Melanin

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19
Q

alert and activate immune system cells to a threat such as bacterial or viral invasion

A

epidermal dendritic cells

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20
Q

associated with sensory nerve endings ; touch receptors

A

Merkel cells

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21
Q

connective tissue making up the dermis

A

papillary layer & reticular layer

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22
Q

superficial dermal region

A

Papillary layer

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23
Q

peglike projections ; increase friction and enhance gripping ability of fingers and feet

A

Dermal papillae

23
Q

deepest skin layer ; contains, blood vessels, sweats and oil glands

A

reticular layer

24
Q

tiny sensors that includes touch, pressure, temperature and pain receptors

A

cutaneous sensory receptors

25
Q

responsible for the toughness of dermis

A

collagen fibers

26
Q

give skin elasticity when we are young

A

Elastic fibers

27
Q

pigment in red blood cells

A

hemoglobin

28
Q

pigments that contribute to skin color

A

melanin, carotene & hemoglobin

29
Q

when light skinned people appear blue ; common during heart failur

A

cyanosis

30
Q

indicate, embarrassment, fever, hypertension, inflammation or allergy

A

Redness

31
Q

indicate emotional stress : fear, anger , anemia low blood pressure

A

pallor/blanching

32
Q

indicates liver disorder ; yellow

A

jaundice

33
Q

black and blue marks ; where blood has escaped ; deficiency of vitamin c

A

bruises

34
Q

oil glands

A

sebaceous glands

34
Q

exocrine glands fall into 2 groups

A

sebaceous & sweat glands

35
Q

keep skin moist and smooth prevents hair brittle

A

sebum

36
Q

blocked sebaceous glands by sebum results into

A

acne

37
Q

numerous sweat found all over body : heat regulating equipment

A

eccrine glands

37
Q

2 types of sweat glands

A

eccrine & apocrine

38
Q

found in armpits and genital areas ; secretes fatty acids and proteins

A

apocrine glands

39
Q

most heavily keratinized region ; provides strength

A

cuticle

40
Q

thick proximal nail fold

A

cuticle

41
Q

responsible for nail growth

A

nail matrix

42
Q

most common skin disorders are infections with

A

pathogens

43
Q

itchy, red, peeling condition between toes

A

athletes foot

44
Q

inflammation of hair follicles ; dorsal neck

A

boils & carbuncles

45
Q

occur around lips and mucosa of mouth and nose ; itch and sting caused by herpes

A

Cold sores

46
Q

itching, redness, swelling of skin ; caused by exposure of skin to chemicals

A

Contact dermatitis

46
Q

develop yellow crust, rupture and weep fluid ; common in elementary school aged children.

A

Impetigo

47
Q

itch, burn, crack & bleeds ; autoimmune disorder, immune system attacks its own tissues; triggered by trauma, infection or hormonal changes

A

Psoriasis

48
Q

superficial epidermis is damaged; heals in 2-3 days

A

first degree burns

49
Q

injury to epidermis and superficial epidermis

A

2nd degree burns

50
Q

destroy both epidermis & dermis. ; nerve endings are destroyed ; needs skin grafting

A

Third degree burns

51
Q

burn or injury extend in bones, muscle or tendons

A

4th degree burns

52
Q

3 most common skin cancers

A

Basal cell carcinoma
Squamous cell carcinoma & malignant melanoma

52
Q

scaly, reddened papules; appears most on scalp, ears, back of hands (cancer)

A

Squamous cell carcinoma

52
Q

least malignant & most common skin cancer

A

Basal cell carcinoma

53
Q

Cancer of melanocytes ; arises from accumulated DNA damage in skin cell ;spreads brown to black

A

Malignant Melanoma