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Health Science I Honors Final Flashcards > Integumentary System > Flashcards

Integumentary System Flashcards

1
Q

name the seven functions of the skin:

A

protective coating, temporary storage of fat glucose salt and water, regulates body temperature, screens out uv rays, makes vitamin d, absorbs drugs, and provides sensory functions

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2
Q

what are the three layers of skin?

A

the epidermis, dermis, and the subcutaneous layer

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3
Q

what is the outermost layer of the epidermis called?

A

the stratum corneum

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4
Q

how many layers does the epidermis have?

A

5 layers

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5
Q

what does the stratum corneum defend the body against?

A

bactera/infection

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6
Q

what is the purpose of papillae?

A

to help with grip

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7
Q

melanocytes contain a pigment called what?

A

melanin

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8
Q

what does melanin do?

A

it gives color to the skin

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9
Q

which layer of skin contains connective tissue, blood vessels, nerve endings, muscles, hair follicles, and oil and sweat glands?

A

the dermis/the middle layer of skin

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10
Q

what layer is below the dermis?

A

the subcutaneous layer

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11
Q

what is the subcutaneous layer made of?

A

loose connective tissue

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12
Q

what is the part of the hair that is implanted in the skin?

A

the root

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13
Q

what is the hollow tube the hair root is implanted in called?

A

the follicle

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14
Q

what is the visible part of the hair called?

A

the shaft

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15
Q

what is the outer layer of hair called?

A

the cortex

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16
Q

what is the inner layer of hair called?

A

the medulla

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17
Q

what condition occurs when normal hair is replaced by very short, transparent hair?

A

alopecia

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18
Q

what muscle causes the skin to pucker around a hair when exposed to a sudden chill?

A

the arrector pili muscle

19
Q

what is the medical term for sweat glands?

A

sudoriferous glands

20
Q

where are sudoriferous glands mainly found?

A

on the palms, soles of feet, and underarm areas

21
Q

the secretions from the sudoriferous glands produce an odor when they are mixed with what?

A

bacteria

22
Q

what is the medical term for glands that produce oil?

A

sebaceous glands

23
Q

what is the oil that is secreted from the sebaceous glands called?

A

sebum

24
Q

what common chronic disorder of the sebaceous glands is caused by overproduction of sebum?

A

acne vulgaris

25
Q

what is inflammation of the skin that produces a rash caused by coming into contact with a substance or by stress called?

A

contact dermatitis

26
Q

what type of burn is superficial?

A

first degree burns

27
Q

what type of burn causes blisters?

A

second degree burns

28
Q

what type of burn causes complete destruction of the epidermis, dermis and subcutaneous layer and can be life-threatening?

A

third degree burns

29
Q

what type of burn is the most painful?

A

second degree burns

30
Q

do third degree burns hurt? why or why not?

A

no they are not painful because the burn also destroys the nerves

31
Q

what type of skin cancer may appear suddenly as a brown, irregular patch?

A

a malignant melanoma

32
Q

what is the primary cause of skin cancer?

A

uv rays/the sun

33
Q

what disorder of the integumentary system can cause potential infection of a newborn baby?

A

genital herpes

34
Q

what condition is contagious, causes cracks and scaling and is usually contracted in public showers or baths?

A

athlete’s foot

35
Q

what is the medical term for the nail bed?

A

the matrix

36
Q

the hair follicle originates in which layer of the skin?

A

the dermis

37
Q

which layer of skin is nonvascular?

A

the epidermis

38
Q

the breakdown of which protein causes the skin to sag and wrinkle?

A

collagen

39
Q

what is the medical term for the clear, scaly layer of keratin on a strand of hair?

A

the cuticle

40
Q

what is the indentation at bottom of a hair follicle that has blood vessels that nourishes the hair called?

A

the papilla

41
Q

what is the visible part of a nail that is made out of keratin called?

A

the nail plate

42
Q

what is the skin beneath the nail plate called?

A

the nail bed

43
Q

what is the crescent moon-shaped part of the nail called?

A

the lunula

Health Science I Honors Final Flashcards (13 decks)

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