A drain can enhance wound healing by
a. preventing infection.
b. increasing wound dead space.
c. increasing seroma formation.
d. preventing tissue devitalization.
ANS: D
A drain enhances wound healing by preventing tissue devitalization or wound margin necrosis, eliminating fluid accumulation, obliterating dead space, allowing apposition of tissues, preventing formation of hematomas or serums, minimizing a potential source of wound contamination, decreasing postoperative pain, and minimizing scarring.
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After a patient, who is short of breath, signs a refusal of service, which one of the following statements would be appropriate prior to leaving the residence?
A) "We will leave this oxygen for you; call us when you feel better." B) "Try taking an aspirin and get a good night's rest; you will probably feel better." C) "Call our dispatch in the morning to let us know how you made out." D) "If you change your mind and want to be transported to the hospital, call 911."
The number of states that recognize some version of the durable power of attorney is _____
a. 35 b. 40 c. 45 d. 50