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Flashcards > Ch 6 integument system > Flashcards

Ch 6 integument system Flashcards

1
Q

What membrane is the skin?

A

Cutaneous membrane

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2
Q

What is dermatology?

A

Study of skin

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3
Q

What tissue is found in the epidermis?

A

Stratified squamous epithelium

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4
Q

What does the stratified squamous epithelium protect from?

A

Abrasion

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5
Q

What tissues is in the dermis layer?

A

Dense irregular connective tissue and areolar

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6
Q

What is the function dense irregular CT?

A

Resists stretch in multiple directions

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7
Q

What tissue is in the hypodermis (subcutaneous) layer?

A

Adipose tissue

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8
Q

What occurs in Stratum Basale?

A

Mitosis

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9
Q

What kind of layer is stratum spinosum?

A

Spiny layer

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10
Q

What kind of layer is darkest layer?

A

Stratum granulosum

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11
Q

What layers have dead cells?

A

Corneum, lucidum, granulosum

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12
Q

What layer is transparent?

A

Stratum lucidum

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13
Q

What is the top layer of the epidermis?

A

Stratum corneum

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14
Q

What does the stratum basale do?

A

Replicate cells

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15
Q

What is does keratin do?

A

Water resistant’s

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16
Q

What does melanin do?

A

Produce and store pigment

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17
Q

What does melanosomes do?

A

Transfers pigment (protects DNA)

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18
Q

What layer lets us know touch?

A

Stratum basale

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18
Q

What does the epidermal dendritic cell do?

A

Initiate immune response

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19
Q

What does thick skin have?

A

Sweat glands

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19
Q

Where is stratum lucidum located?

A

Thick skin; sole and palm

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20
Q

What does stratum corneum protect against?

A

Abrasion and infections

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21
Q

What does thin skin have?

A

Sweat glands, sebaceous glands, and hair follicles

22
Q

What determines hemoglobin?

A

Oxygen

23
Q

What determines melanin?

A

UV exposure

24
Q

What determines carotene?

A

Some vegetables

24
Q

What causes nevus (mole)

A

Overgrowth of melanocytes

25
Q

What causes hemangiomas?

A

Blood vessel tumor

25
Q

What causes freckles?

A

Increase in melanocyte activity

26
Q

What tissue is in the papillary layer?

A

Areolar tissue

26
Q

What are friction ridges?

A

Fingerprints

27
Q

Two layers of dermis

A

Papillary and reticular layer

28
Q

What tissue is in the reticular layer?

A

Dense irregular CT

29
Q

What is the function of elastic fibers?

A

Stretch and recoil

29
Q

What function is collagen fibers?

A

Resist stress in one direction

30
Q

What does collagen and elastic fibers do?

A

Bundles functions

31
Q

What tissues are found in the subcutaneous layer?

A

Areolar and adipose CT

32
Q

What happens when collagen fibers are torn?

A

Stretch marks (striae)

33
Q

What are the functions of subcutaneous layer?

A

Protection, energy storage, insulation

34
Q

What is calcitriol?

A

Increases absorption of calcium and phosphate

34
Q

What is metabolic regulation?

A

Formation of vitamin D3 and produces calcitriol

35
Q

Merocrine

A

Exocytosis

36
Q

Apocrine

A

Apical

37
Q

Holocrine

A

Whole cell

38
Q

What is sweats function?

A

Secretion

39
Q

Main function of merocrine sweat glands

A

Regulate body temp.

40
Q

Main function of apocrine sweat glands

A

Activate during puberty

41
Q

What is sebum?

A

Oil glands

41
Q

What kind of glands are holocrine glands?

A

Sebaceous glands

42
Q

What are the two types of apocrine glands?

A

Ceruminous and mammary glands

43
Q

What is cerumen?

A

Earwax

44
Q

What is regeneration?

A

Replacement with same cell type

45
Q

What is fibrosis?

A

Change with fibroblast

46
Q

What is stem cells?

A

Immune system of skin

47
Q

What is the rule of nines?

A

A tool used to estimate a burn’s percentage of your total skin, by separating the body by multiples of 9%.

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