Score: 0%
ORTHOPEDICS HYPERGUIDE MCQ 251-300
QUESTION 1
As the most direct and predictable preoperative diagnostiCtest for hip infection, the false-positive rate for hip aspiration is:
1
0%
2
0% to 15%
3
15% to 25%
4
25% to 40%
5
40% to 50%
Hip aspiration has a false-positive rate of 0% to 15%. Many authors have warned against its routine use before revision surgery
QUESTION 2
What levels of polymorphonuclear leukocytes (PMN) per high-power field (HPF) are inconsistent with infection when performing intraoperative frozen sections of total joint replacement:
1
No value as predictor
2
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