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Anaesthesia · Induction agents: etomidate
Sample itemWhich adverse effect is associated with etomidate, particularly after repeated exposure?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Adrenal steroid synthesis suppression
Etomidate inhibits 11-beta-hydroxylase and can suppress adrenal steroid production. It is otherwise valued for relative cardiovascular stability during induction.
Option by option
A. Histamine-mediated bronchospasm only
Bronchospasm is not its defining toxicity.
B. Adrenal steroid synthesis suppression (correct)
Correct. Enzyme inhibition explains transient adrenal suppression.
C. Irreversible renal failure
Irreversible renal failure is not the expected adverse effect.
D. Malignant hyperthermia prevention
Etomidate does not prevent malignant hyperthermia.
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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