A static type of support surface is a(n):

A. Water mattress
B. Foam mattress
C. Alternating air mattress
D. Air-fluidized mattress


B
B. A foam mattress does not move and is therefore static.
A. Water in a mattress is moving, so the mattress is dynamic rather than static.
C. The air in alternating air mattresses moves, making this a dynamic device.
D. Air-fluidized mattresses incorporate air and fluid support and are dynamic rather than static.

Nursing

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