Integumentary System Flashcards
Perspiration relies on evaporation to __ __ __.
cool the body.
The mechanism of heat loss that depends on evaporation
sweating
Vasoconstriction results in retention of __ __.
body heat.
Vasodilation transports body heat to the skin, but the heat must then be removed from the surface of the body.
Arterioles in the dermis serve to __ body heat
retain body heat.
constriction of arterioles CONSERVE heat
When UV rays hit the strike the skin, they stimulate formation of (2):
- melanin
2. Vitamin D
Melanin is formed to protect the __ __ __.
skin from burning.
Vitamin __ is activated by sunlight’s UV rays.
D
Keratin, sebum, and vitamin A production are not dependent on UV exposure
Age group where reduced elasticity and moisture of skin is normal finding
Older adult
Bluish discoloration of the skin
cyanosis
An indication of inadequate oxygenation that can be assessed at nail beds, lips, and around the mouth
Cyanosis
Referred to as ecchymosis
bruising
Aging results in a loss of __ __, which may impact feelings of body warmth.
adipose tissue
Older Adults: Slower cell division in the epidermis DOES NOT AFFECT body warmth
Which dressing is most appropriate to apply to a skin tear?
Transparent (provides protection, and enables oxygen permeability to promote healing)
__ dressing is used for deeper pressure ulcers.
Hydocolloid