UWorld Pharmacology Practice Test

Which foods should a client on warfarin avoid excess or inconsistent intake of?

Bananas Broccoli Liver Oranges

Correct Answer:

Broccoli

Explanation:

A client on warfarin needs to maintain consistent levels of vitamin K in their diet, as fluctuations can affect the anticoagulation effect of the medication. Broccoli is high in vitamin K, which is essential for the synthesis of clotting factors. Therefore, consuming excess amounts or varying the intake of broccoli can interfere with how effectively warfarin works to prevent blood clots. In contrast, while other foods listed have their nutritional benefits, they do not have the same level of impact on vitamin K levels as broccoli does. Maintaining a steady, moderate intake of vitamin K-rich foods, including broccoli, is crucial for patients on warfarin to ensure stable therapeutic levels and minimize the risk of complications related to their anticoagulation therapy.

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