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Anatomy > Integumentary System > Flashcards

Integumentary System Flashcards

1
Q

What are the five functions of the integumentary system?

A
  1. protection from Int/Ext Environment 2. Containment of structures and substances 3. thermal regulation (sweat) 4. Sensation 5. Synthesis and storage of Vit D
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2
Q

What are the primary components of the integumentary system?

A

Hair, Skin, and Nails

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3
Q

What is the outermost layer of the skin?

A

Epidermis

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4
Q

What is the epidermis made of?

A

Keratinized epithelium

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5
Q

What are the two layers of the epidermis?

A
  1. basal layer 2. horny, superficial layer
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6
Q

What is the second outermost layer of the skin?

A

Dermis

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7
Q

What is the role of the dermis?

A

Account for the strength/Toughness of the skin

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8
Q

What layer of the skin is responsible for the pigmentation?

A

Dermis

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9
Q

What structures are located in the dermis?

A

Hair follicles, arrector muscles, sebaceous glands

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10
Q

What is the next inner layer of skin after the dermis?

A

Superficial Fascia (Subcutaneous tissue) [Hypodermis]

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11
Q

What type of tissue is the fascia made up of?

A

Connective tissue - adipose mainly but some loose

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12
Q

What structures are located in the the hypodermis?

A

Sweat glands, superificial BVs, Lymphatic vessels, and cutaneous nerves

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13
Q

What special function does the hypodermis do?

A

Thermoregulation

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14
Q

What special feature does the hypodermis contain that determines mobility?

A

Skin ligaments

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15
Q

What is the innermost layer of skin?

A

Deep fascia

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16
Q

What type of tissue is the deep fascia composed of?

A

Connective tissue

17
Q

What skin variation indicates a blue hue of the skin?

A

Cyanosis

18
Q

What skin variation indicates a yellow hue of the skin?

A

Jaundice

19
Q

What skin variation indicates a red hue of the skin?

A

Erythema

20
Q

What is the primary cause of cyanosis of the skin?

A

Lack of O2

21
Q

What is the primary cause of erythema of the skin?

A

Exposure to excess heat, infection, inflammation, allergic rxn

22
Q

What is the primary cause of jaundice of the skin?

A

Build up of bilirubin

23
Q

A Laceration/Incision to the skin can scar if is crosses what feature?

A

Tension Line

24
Q

Stretch marks cause damage to what from excessive stretching (weight gain)?

A

Collagen fibers

25
Q

What are the three main causes of burns to the skin?

A
  1. thermal trauma 2. UV/ionizing radiation 3. Chemical Agents

Anatomy (19 decks)

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