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anatomy & physiology > chapter 5 > Flashcards

chapter 5 Flashcards

1
Q

functions of the skin

A
  • first line of defense against environmental harms
  • protection of tissues & organisms
  • excretion of salt, water, & organic waste
  • maintenance of body temperature
  • production of melanin; protects against radiation
  • protection of keratin; water repellant
  • synthesis of vitamin d
  • storage of lipids
  • detections of senses
  • coordination of immune response
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2
Q

what are the types of membranes

A

cutaneanous, mucous & serous

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3
Q

mucous membrane

A

line body cavities open to outside

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4
Q

serous membrane

A

lines body cavities that don’t open to outside

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5
Q

what are the layers of the epidermis

A 
stratum...
corneum
lucidium
granulosm
spinosm
basale
(creative lady gaga sings beautifully)
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6
Q

stratum corneum

A

dead cells

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7
Q

stratum lucidum

A

hairless cells

thick with keratin

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8
Q

stratum graanulosm

A

thin

goes through apoptosis & produce granuals in cytoplasm

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9
Q

stratum spinosum

A

keratin helps water proofing

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10
Q

stratum basale

A

deepest layer

oxygen & nutrients diffuse

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11
Q

What body system has skin as the primary organ?

A

Integumentary system

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12
Q

Dermal papillae

A

Surface of skin (fingerprints)

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13
Q

Keratin

A

Tough, fibrous protein

Structure of hair & nails

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14
Q

Pariental

A

Body cavity attached to the wall

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15
Q

Visceral

A

Relating to the vicera

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16
Q

Serous fluids

A

Fluid secreted by mesothelium of a serous membrane

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17
Q

What affects skin color

A 
Sun
Environment
Carotin
Melanin
Hemoglobin
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18
Q

Jaundice

A

Bike in liver

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19
Q

Melanocytes

A

Stimulates hormone levels

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20
Q

Vitiligo

A

Loss of melanocytes

Causes white patches

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21
Q

Types of membranes

A

Serous & mucous

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22
Q

Mucous

A

Body cavities open to outside of the body

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23
Q

Serous

A

Body cavities enclosed in the body

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24
Q

What are the layers of the dermis

A

Papillary & reticular

25
Q

Papillary

A

Upper, contains a thin arrangement of fibers

26
Q

Reticular

A

Lower, thicker, & made of thick collagen fibers that are arranged parallel to the surface of skin

27
Q

1st degree burn

A

Non blistered & red

28
Q

2nd degree burn

A

White & blistered

29
Q

3rd degree burn

A

Worst & bubbled

30
Q

How much does the integumentary system weigh

A

6-9 lbs

31
Q

How much room does skin take up

A

Up to 24 square feet

32
Q

cutaneanous

A

epidermous & dermis

33
Q

parietal

A

outer wall

34
Q

visceral

A

inner wall

35
Q

what are the 3 serous membranes

A

peritoneum, pleura, & pericadrium

36
Q

peritoneum membrane

A

abdominal cavity

37
Q

pleura

A

lung

38
Q

paricardium

A

heart

39
Q

dermis layers

A

papillary & reticular

40
Q

papillary

A

blood vessels & nerve endings

41
Q

reticular

A

hair follicules

sweat glands

42
Q

hypodermis

A

fat

absorbs shock

43
Q

factors of skin color

A

carotene & hemoglobin

44
Q

carotene

A

yellow pigment

45
Q

hemoglobin

A

pigment that carries oxygen

46
Q

cyanosis

A

low oxygen level (blue skin)

47
Q

erythma

A

high oxygen level (red skin)

48
Q

macrophage

A

cells that eat other smaller cells & cell debris

49
Q

phagocytosis

A

the act of macrophage eating cells

50
Q

synovial connective tissue

A

lines joints for cushion

secretes lubricating fluids

51
Q

Meissner’s Corpuscles

A

receptors that feel touch

52
Q

Pacinan Corpuscles

A

where pressure is felt in the lower dermis

53
Q

Nociceptors

A

detect pain throughout dermis

54
Q

Arrector Pili

A

muscles attach to hair follicles and contract making hair stand up

55
Q

subaceous gland

A

secretes sebum (oils)

56
Q

ceruminous gland

A

inner lining of external ear canal

cerumen (ear wax)

57
Q

acne

A

inflamation of subacceous gland

58
Q

synovial membrane

A

supports bones (connective tissue)

59
Q

basale epithilial cells

A

cells that replace dead cells

anatomy & physiology (17 decks)

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