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a&p > Integumentary System > Flashcards

Integumentary System Flashcards

1
Q

A pigment-producing cell that becomes more active in the presence of ultraviolet light?

A

Melanocytes

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2
Q

The protein in the epidermis that thickens and protects the skin?

A

Keratin

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3
Q

The deeper of two major layers of skin “True Skin” carried out vital functions?

A

Dermis

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4
Q

The uppermost epidermal layer, consisting of flat keratin-filled cells?

A

Stratum Corneum

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5
Q

Another name for skin as a whole

A

Integument

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6
Q

Projections of dermis responsible for fingerprints?

A

Dermal papillae

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7
Q

The deepest layer of the epidermis , which contains living, dividing cells?

A

Stratum basale

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8
Q

Another name for the superficial fascia( under the skin)?

A

Subcutaneous layer (Hypodermis)

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9
Q

Connnect the subcutaneous tissue with the dermis

A

Elastic fibers

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10
Q

Insulated the body and acts as an energy reserve

A

Adipose tissue

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11
Q

Carry sensory information from the skin to the brain

A

Nerves

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12
Q

Supply the skin with nutrients and oxygen

A

Blood vessels

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13
Q

Any gland that produces sweat

A

Sebaceous

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14
Q

Sweat glands found throughout the skin that helps cool the body down

A

Eccrine

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15
Q

Glands that are found only in the ear canal

A

Ceruminous

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16
Q

Excess activity of these glands contribute to acne vulgaris

A

Sebum

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17
Q

The product of ceruminous glands

A

Wax

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18
Q

Sweat glands in the armpits and groin that become active at puberty

A

Apocrine

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19
Q

Glands that lubricate the eye

A

Meibomian

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20
Q

A secretion of sebaceous glands that covers new born babies

A

Vernix caseosa

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21
Q

Sweat glands located in the dermis and subcutaneous layer

A

Sudoriforeous

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22
Q

Muscle that contracts raising the hair and forming “goose bumps”

A

Arrector pili

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23
Q

A vessel that carries blood towards the heart or towards the skin?

A

Vein (AFFERENT )

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24
Q

A blood vessel that carries blood away from the heart or away from skin?

A

Arteries (EFFERENT)

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25
Q

Outermost portion of the skin

A

Epidermis

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26
Q

Layer of skin with connective tissues, many blood vessels, nerve endings and glands

A

Dermis

27
Q

Deepest layer of skin

A

Subcutaneous layer or Hypodermis

28
Q

The pigment that gives blood it’s color

A

Hemoglobin

29
Q

A pigment found in some vegetables that is stored in adipose tissue

A

Carotene

30
Q

The pigment that helps protect against UV Radiation

A

Melanin

31
Q

Factors that affect healing :

A

Nutrition, Blood supply , Infection, Age

32
Q

Two major groups of body membranes

A

Epithelial and Connective tissue

33
Q

Three epithelial membranes include:

A

Cutaneous, Mucous, Serous

34
Q

Layers inside the wall of cavity

A

Parietal

35
Q

Layers line the outside of the organ

A

Visceral

36
Q

Parietal peritoneum

A

Lines the abdominal cavity

37
Q

Visceral peritoneum

A

Covers the abdominal organs

38
Q

Parietal pleura

A

Lines the thoracic cavity

39
Q

Visceral pleura

A

Covers the lungs

40
Q

Visceral pericardium

A

Covers the heart

41
Q

The integumentary system includes

A

Skin, hair, nails, exocrine glands

42
Q

Cells receive nutrients through diffusion of fluids from the dermis

A

Avascular

43
Q

Keratinocytes make up of ____% of cells in the epidermis.

A

90%

44
Q

Two regions of the dermis:

A

Papillary layer and Reticular layer

45
Q

What projections epidermis & dermis together ?

A

Dermal papillae

46
Q

Touch receptors in the papillary layer

A

Meisner’s corpuscles

47
Q

Deep pressure receptors in the reticular layer

A

Paclnian

48
Q

Fibrous glycoprotein that provides elasticity

A

Elastin

49
Q

Two types of sudoriferous “sweat glands”

A

Eccrine and apocrine

50
Q

Concentrated into auxiliary & genital areas , Have ducts that empty into hair follicles, contains fatty acids, proteins, begin to function during puberty

A

Apocrine glands

51
Q

Produce oil called sebum, skin and hair lubricant, anti-bacterial substances, ducts that empty into hair follicles,activated at puberty

A

Sebaceous glands

52
Q

Hardened keratinocytes

A

Sheets

53
Q

Thick area over nail matrix

A

Lunula

54
Q

The nervous system responds to high body temperature (hyperthermia) by:

A

Relaxing blood vessels and increasing blood flow

55
Q

Low body temperature (hypothermia) is corrected by?

A

Constricting blood vessels and reducing blood flow into capillary beds.

56
Q

Vitamin D plays a vital role for ?

A

Immunity

57
Q

Modified cholesterol molecules in the skin are converted into vitamin D by

A

Sunlight

58
Q

Free nerve endings detect ?

A

Temperature and pain

59
Q

Meissner’s corpuscles detect:

A

Light and touch

60
Q

Pacinian corpuscles detect

A

Deep pressure

61
Q

May have accumulations In sebaceous glands called:

A

Milia

62
Q

Inflamed pores

A

Pimples

63
Q

Clogged with sebum but remains closed

A

Whiteheads

64
Q

Sebum darkens when exposed to oxygen

A

Blackheads

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