Module 1: Integumentary System Flashcards

1
Q

Identify and describe the basic structure of skin

A

intact skin, including the ability of the skin to serve as a barrier to environmental threats such as bacteria, pressure, shear, friction and moisture

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2
Q
A
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3
Q

Function of the integumentary system

A
  1. protection/immunity
    -protects against pathogens, decreases water loss
  2. temperature regulation
    -provides insulation
    -related to dilation and constriction of blood vessels within the layers of the skin
    -allows for sweating
  3. sensation
    -contains various nerve endings, including for pain, light touch
  4. assists in vitamin D synthesis and indicator of vitamin B levels
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4
Q

What are the 3 layers of skin

A
  1. epidermis- outermost
  2. dermis- middle
  3. hypodermis- innermost
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5
Q

What are the 3 primary functions of the dermis

A
  1. thermoregulation
  2. storage of water/maintaining hydration
  3. provides nutrients and waste removal for itself and the epidermis
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6
Q

What else does the dermis contain

A

blood vessels
lymphatic vessels
glands
nerve endings
hair follicles
collagen

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7
Q

What are the functions of the hypodermis

A

subcutaneous tissue
attaches skin to underlying bone and muscle
contains loose connective tissue, adipose tissue and elastin
contains 50% of body fat
provides insulation and shock absorption

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8
Q

Risk factors that affect wound healing

A

comorbities- cardiovascular, diabetes, spinal cord injury
nutrition
obesity
smoking, alcohol/drug use
sedentary or limited mobility
impaired sensation
risk prone behavior- high risk activities, exposure

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