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TEAS > Science - Integumentary system > Flashcards

Science - Integumentary system Flashcards

1
Q

what are the functions of the integumentary system

A

Protection (against pathogens), Secretion: sebacious, sweat glands, Thermoregulation, remove waste, communication, vitamin D production

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2
Q

what do sebacious glands secrete?

A

Sebum

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3
Q

what does sebum help with

A

waterproofing skin

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4
Q

how does communication occur in the skin

A

Sensory receptors –> send info to brain

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5
Q

what do sensory receptors communicate to brain

A

Pain, Touch, Pressure, Temperature

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6
Q

what is the pneumonic to remember what sensory receptors communicate

A

Pretty Please Tell Tanya

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7
Q

what does vitamin D help with

A

absorption of calcium, magnesium, phosphate

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8
Q

what is the pneumonic to remember Vitamin D absorption

A

Come Play Minecraft

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9
Q

What does the epidermis contain

A

epithelial cells (no blood), stratum basale –> deepest part of Epidermis (constantly dividing), KERATIN –> protein that helps WATERPROOF skin

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10
Q

What does the dermis contain

A

Blood vessels, sensory receptors, hair follicles, sebacious glands, sweat glands

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11
Q

what is the pneumonic to remember what the dermis contains

A

Bring Very Small Radios So Gleen Stops Getting Happy Faces

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12
Q

True False: the subcutaneous layer is a part of the skin

A

False: it is not a layer of skin

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13
Q

What is the most common type of cell found in the integumentary system

A

Keratinocytes

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14
Q

where are keratinocytes located

A

epidermis

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15
Q

Where do keratinocytes come from

A

stratum basale

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16
Q

what do keratinocytes produce

A

keratin –> protein that hardens cells, water resistance of skin

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17
Q

what do melanocytes produce

A

melanin –> gives skin color, protects against UV rays

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18
Q

where are melanocytes located

A

Epidermis

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19
Q

what do langerhans cells do

A

antigen presenting cell of immune system

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20
Q

what is the location and specific layer are langerhans cells located

A

Located in the epidermis –> specifically stratum spinosum

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21
Q

What is the function of merkel cells

A

detect LIGHT touches

22
Q

what type of receptors are merkel cells

A

cutaneous receptors

23
Q

where are merkel cells located, what specific layer

A

epidermis –> stratum basale

24
Q

where are fibroblasts located

A

dermis

25
Q

what is the function of fibroblasts

A

Secretes –> collagen, elastin, glycosaminoglycans

26
Q

What are adipocytes

A

fat cells

27
Q

where are adipocytes located

A

dermis

28
Q

where are macrophages located

A

dermis

29
Q

what is the function of macrophages

A

engulfs pathogens

30
Q

what is the location of mast cells

A

dermis

31
Q

what is the functon of the mast cell

A

plays a role in inflammatory response that releases HISTAMINE

32
Q

how does the skin maintain temperature homeostasis

A

receptor –> control center –> effector –> (evaporation, vasodilation, muscle)

33
Q

what do receptors do to maintain temperature homeostasis

A

sensory receptors send signals to the control center

34
Q

what is the “control center” of maintaining temperature of skin

A

hypothalamus

35
Q

What are the effectors to control temperature

A

evaporation, muscle, vasodilation

36
Q

what does vasodilation do

A

cools blood vessels

37
Q

what do muscles do to cool down the body

A

shiver

38
Q

what are sebacious glands connected to

A

hair follicles

39
Q

what type of gland is sebacious glands

A

holocrine

40
Q

what does holocrine do

A

secrete cebum

41
Q

what is cebum made up of

A

oily mixture of lipids//protein

42
Q

what does sebum help with

A

stops water loss// protects against fungal/ bacterial microbes

43
Q

what are the 2 types of sweat glands

A

eecrine/ apocrine

44
Q

true/false: eecrine is connected to hair follicles

A

False: they are not connected to hair follicles

45
Q

where are eecrine (sweat glands) located

A

forehead, neck, back

46
Q

what are the secretions that occur in eecrine (sweat glands)

A

sodium chloride, potassium, bicarbonate, glucose, antimicro peptides

47
Q

what is the pneumonic to remember what secretions are in eecrine

A

Go See Carl About Putting Peppers Back

48
Q

what are apocrine (sweat glands) used for

A

used for thermoregulation

49
Q

when are apocrine (sweat glands) activated

A

stress

50
Q

where are apocrine (sweat glands) located

A

armpit, groin, palm, bottom of feet

51
Q

what are the secretions that occur in apocrine (sweat glands)

A

fatty acid, triglyceride, proteins

52
Q

what causes body odor

A

Bacteria eating apocrine sweat

TEAS (21 decks)

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