Try it
Pharmacology · Anticoagulants
Sample itemWhat antidote reverses excessive warfarin anticoagulation?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Vitamin K
The key Anticoagulants principle identifies Vitamin K as the best answer because it most directly accounts for the mechanism, use, or laboratory finding described.
Option by option
A. Flumazenil
Flumazenil is inconsistent with the requested mechanism or identification.
B. Protamine sulfate
Protamine sulfate does not fit the stated anticoagulants relationship.
C. Vitamin K (correct)
Correct. Vitamin K matches the decisive principle in this item.
D. Naloxone
Naloxone may have another clinical role but is not supported by this clue.
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.