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OBG · Contraception
Sample itemWhat is the primary mechanism of a copper intrauterine device?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Local spermicidal inflammatory reaction
The core Contraception principle supports Local spermicidal inflammatory reaction; it best explains the clinical feature or management priority stated in this original sample.
Option by option
A. Suppressing lactation
Suppressing lactation may be considered elsewhere but is not the best response here.
B. Local spermicidal inflammatory reaction (correct)
Correct. Local spermicidal inflammatory reaction directly addresses the important clue in the stem.
C. Inducing ovulation
Inducing ovulation does not align with the expected contraception finding or action.
D. Treating endometriosis directly
Treating endometriosis directly is not supported by the condition or priority described.
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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