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A&P 150 > Ch 5: integumentary system > Flashcards

Ch 5: integumentary system Flashcards

1
Q

Epidermis

A

Superficial layer in the skin (5 strata)

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2
Q

Dermis

A

Deep layer in the skin
(2 layer)

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3
Q

Stratum corneum

A

Top layer, keratinized layer

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4
Q

Stratum lucidum

A

Translucent layer only found in thick skin

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5
Q

Stratum granulosum

A

Contains tiny granules that form keratin

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6
Q

Stratum Spinosum

A

Contains tiny edges of cells

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7
Q

Stratum basale

A

Basement membrane held by hemisosomes
- has highest level of mitotic activity

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8
Q

Layers in the dermis

A

Papillary layer of the dermis (super 1/5)
Particular layer (deep 4/5)

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9
Q

Meissner corpuscle

A

Detect two point touch

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10
Q

Pacinian corpuscles

A

Detect, deep pressure

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11
Q

Free nerve endings

A

Detect pain

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12
Q

Sebaceous gland

A

Contained natural antibiotic properties to lubricate and protect the hair 

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13
Q

Arrector pili

A

Contracts, forming goosebumps that makes hair stand up

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14
Q

Papillary layer

A

Forms, finger and toe prints

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15
Q

How many layers are there in the skin?

A

Two General layers

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16
Q

What cell anchors to the basement membrane?

A

Hemidesmosomes 

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17
Q

What layer is missing from the epidermidis?

A

Stratum lucidum

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18
Q

How many thick layers are there?

A

Five

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19
Q

How many thin layers are there?

A

Four

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20
Q

Function of the integumentary system

A

Protection against abrasion and radiation

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21
Q

What epithelial tissue is in the hypodermis?

A

Adipose tissue

22
Q

What is the function of the subcutaneous tissue

A

Energy source, insulation, and padding

23
Q

What are the three types of cells in the subcutaneous tissue?

A

Fibroblast, adipose cells, macrophages

24
Q

What Is the name for macrophages in the blood?

A

Monocytes

25
Q

What connective tissue is in the epidermis?

A

stratified squamous?

26
Q

What is the purpose of melanin?

A

Protection against UV light

27
Q

What are the three body parts that are composed of melanin?

A

Eyes, skin, hair

28
Q

What are melanocytes

A

Processes extend between keratinocytes

29
Q

What basement membrane is melanocytes in?

A

In the stratum Basale, In the epidermis 

30
Q

What is Carolene?

A

Yellow pigment from vegetables (carrots) accumulated in stratum corneum

31
Q

Albinism

A

Deficiency of absence of payments from genetics

32
Q

What are the three factors of skin color?

A

Pigment, blood circulation, thickness of stratum corneum

33
Q

Cyanosis

A

Blue color caused by a decrease in blood oxygen content

34
Q

What layer is the external epithelial root sheath in?

A

Layer from the epidermis

35
Q

What layer is the internal epithelial root sheath in?

A

Stratum basale

36
Q

Ceruminous gland

A
  • earwax
  • sweat, gland, external auditory meaturs
37
Q

Mammary gland

A

Modified apocrine sweat glands

38
Q

What is another name for the cuticle?

A

Eponychium

39
Q

Nail root

A

Highest rate of mitotic activity

40
Q

Arterioles

A

Change in diameter as the temperature changes

41
Q

What initiates the calcium absorption

A

The skin in the integumentary system

42
Q

What activates vitamin D in the urinary system

A

The kidney 

43
Q

What is the purpose of vitamin D?

A

To absorb calcium

44
Q

What is the function of calcium

A

-bone formation
-Clotting
-Nerve and muscle function

45
Q

What happens when we age?

A

-collagen decreases
-wrinkling increases due to elastic fibers decreasing
-Decrease in blood supply

46
Q

First-degree burns

A

Only in epidermidis

47
Q

Second-degree burns

A

 Damages epidermis and upper dermis

48
Q

Third-degree burn

A

Destroys dermis, epidermidis and hypodermis

49
Q

Rule of 9’s

A

Head: 9%
Torso: 9%
- anterior:18%
- posterior:18%
Upper limb: 9% each
Lower limb: 18%
- anterior: 9%
- posterior: 9%
Genitalia: 1%

50
Q

There is a burn to the right upper arm, and only burned that the epidermis

A

9% surface area and 1st degree burn

51
Q

ABCDE malignant melanoma

A

A: asymmetry
B: border (smooth/rigid)
C: color (light/dark)
D: diameter (expanding)
E: evolves ( short/long time frame)

A&P 150 (26 decks)

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