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integumentary test Flashcards

1
Q

1 most common skin condition in US

A

Acne

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2
Q

Blackheads and whiteheads are also known as ____________.

A

Comedones

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3
Q

What is the % of people 14-24 experience minor to severe acne?

A

85%

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4
Q

what is the name of the bacteria that causes acne?

A

Bacterium P Acne

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5
Q

what type of cleansers and lotions should we look for when purchasing facial products?

A

noncomedegenic, nonacnegenic

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6
Q

what are the prime hours to avoid the sun? (in Oregon)

A

10 am- 4 pm

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7
Q

what outside locations can magnify the sun’s rays?

A
  • snow
  • sand
  • water
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8
Q

what does broad spectrum?

A

blocks against UVB and UVA rays

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9
Q

what does UVA protect against?

A

aging rays

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10
Q

what does UVB protect against?

A

burning rays

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11
Q

how far in advance should you put on sunscreen before going out?

A

15-20 minutes

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12
Q

how often should you reapply sunscreen when you are not getting into water?

A

every 2 hours

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13
Q

what does SPF stand for?

A

Sun Protection Factor

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14
Q

how long is “water resistant” sunscreen effective?

A

40 minutes

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15
Q

how long is “very water resistant” effective?

A

80 minutes

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16
Q

the dermis is also referred to as, the ___________

A

“True skin”

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17
Q

List 4 structures found in the dermis layer:

A
  1. blood supply
  2. sebaceous glands
  3. sudoriferous glands
  4. pain receptors
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18
Q

how does the dermis nourish the epidermis layer?

A

it has collagen, glands, and the blood supply to bring it nutrients.

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19
Q

what is exfoliation?

A

the process of the oldest, dead skin layers sloughing off.

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20
Q

sweat glands are also called the _______________ glands.

A

sudoriferous

21
Q

the oil glands are also called the ______________ glands.

A

sebaceous

22
Q

what are the 2 types of sweat glands?

A
  1. eccrine

2. apocrine

23
Q

where the apocrine glands located and when are they active?

A
  • located in the groin and underarm area
  • active when stressed
  • connected to hair follicle
24
Q

which is larger and fewer, eccrine or apocrine?

A

apocrine

25
Q

Does the eccrine glands decrease with age?

A

true

26
Q

what is another name for the subcutaneous layer?

A

hypodermis

27
Q

what is the function of the subcutaneous layer?

A

to store fat

28
Q

another name for the sebaceous glands

A

oil glands

29
Q

what is sebum and what is its main function?

A

sebum is an oily substance that makes the skin waterproof

30
Q

babies are covered with a white substance on them while they are born, this is called ____________________.

A

vernix caseosa

31
Q

label the diagram

A

add diagram here

32
Q

“integumentary” is Greek for ______________.

A

covering

33
Q

list the 5 components the integumentary system is composed of?

A
  1. hair
  2. nails
  3. skin
  4. sudoriferous glands
  5. sebaceous glands
34
Q

the estimated weight of skin is approximately __________.

A

20 lbs.

35
Q

list 5 functions of the skin:

A
  1. to protect against bacteria and abrasions
  2. to protect against dehydration
  3. temperature regulation
  4. to feel sensations
  5. to absorb vitamin D
36
Q

what happens to your blood vessels and appearance when you are cold?

A

they constrict, giving you a pale appearance

37
Q

what happens to your blood vessels and appearance when you are hot?

A

your blood vessels expand, giving you a flush appearance

38
Q

what are some sensations that your skin allows you to feel?

A

pain, heat, touch, pressure

39
Q

T or F – The epidermis has a large blood supply

A

False

40
Q

what is the outermost layer of the skin?

A

the epidermis

41
Q

where is the thinnest skin on the body?

A

around the eyes

42
Q

where is the thickest skin on the body?

A

on the hands and feet

43
Q

what do melanocytes do?

where are they located?

A

melanocytes produce melanin. They are located at the lowest layer of the epidermis.

44
Q

pheomelanin produces what skin pigments?

A

red-yellow pigments

45
Q

eumelanin produces what skin pigments?

A

brown pigments

46
Q

carotene produces what skin pigment?

A

yellow-orange pigment

47
Q

what are freckles?

A

irregular patches of melanin

48
Q

how can you change your skin color?

A

with sun exposure

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