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
Outermost portion of the skin
Epidermis
26
Layer of skin with connective tissues, many blood vessels, nerve endings and glands
Dermis
27
Deepest layer of skin
Subcutaneous layer or Hypodermis
28
The pigment that gives blood it’s color
Hemoglobin
29
A pigment found in some vegetables that is stored in adipose tissue
Carotene
30
The pigment that helps protect against UV Radiation
Melanin
31
Factors that affect healing :
Nutrition, Blood supply , Infection, Age
32
Two major groups of body membranes
Epithelial and Connective tissue
33
Three epithelial membranes include:
Cutaneous, Mucous, Serous
34
Layers inside the wall of cavity
Parietal
35
Layers line the outside of the organ
Visceral
36
Parietal peritoneum
Lines the abdominal cavity
37
Visceral peritoneum
Covers the abdominal organs
38
Parietal pleura
Lines the thoracic cavity
39
Visceral pleura
Covers the lungs
40
Visceral pericardium
Covers the heart
41
The integumentary system includes
Skin, hair, nails, exocrine glands
42
Cells receive nutrients through diffusion of fluids from the dermis
Avascular
43
Keratinocytes make up of ____% of cells in the epidermis.
90%
44
Two regions of the dermis:
Papillary layer and Reticular layer
45
What projections epidermis & dermis together ?
Dermal papillae
46
Touch receptors in the papillary layer
Meisner’s corpuscles
47
Deep pressure receptors in the reticular layer
Paclnian
48
Fibrous glycoprotein that provides elasticity
Elastin
49
Two types of sudoriferous “sweat glands”
Eccrine and apocrine
50
Concentrated into auxiliary & genital areas , Have ducts that empty into hair follicles, contains fatty acids, proteins, begin to function during puberty
Apocrine glands
51
Produce oil called sebum, skin and hair lubricant, anti-bacterial substances, ducts that empty into hair follicles,activated at puberty
Sebaceous glands
52
Hardened keratinocytes
Sheets
53
Thick area over nail matrix
Lunula
54
The nervous system responds to high body temperature (hyperthermia) by:
Relaxing blood vessels and increasing blood flow
55
Low body temperature (hypothermia) is corrected by?
Constricting blood vessels and reducing blood flow into capillary beds.
56
Vitamin D plays a vital role for ?
Immunity
57
Modified cholesterol molecules in the skin are converted into vitamin D by
Sunlight
58
Free nerve endings detect ?
Temperature and pain
59
Meissner’s corpuscles detect:
Light and touch
60
Pacinian corpuscles detect
Deep pressure
61
May have accumulations In sebaceous glands called:
Milia
62
Inflamed pores
Pimples
63
Clogged with sebum but remains closed
Whiteheads
64
Sebum darkens when exposed to oxygen
Blackheads