What normal capillary interface pressure should be maintained to prevent pressure injuries?
a. 10-15 mm Hg
b. 15-20 mm Hg
c. 23-32 mm Hg
d. 35-40 mm Hg
ANS: C
According to AORN Standards, positioning devices should maintain normal capillary interface pressure of 23 to 32 mm Hg to prevent pressure injuries. Blood flow and tissue perfusion are restricted at higher pressures.
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