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General Surgery · Perioperative care
Sample itemWhy are patients kept nil by mouth before many operations?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Reduce aspiration risk during anaesthesia
Fasting reduces gastric contents and therefore lowers the risk of pulmonary aspiration during induction and maintenance of anaesthesia.
Option by option
A. Reduce aspiration risk during anaesthesia (correct)
Correct: reducing aspiration is the purpose of fasting.
B. Replace venous thrombosis prophylaxis
VTE prophylaxis needs separate measures.
C. Improve skin pigmentation
Fasting does not alter pigmentation.
D. Cure postoperative infection
It does not treat an established infection.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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