RN Exam Practice
Pharmacological and Parenteral TherapiesQuestion 514 of 2368

Which statement by a client who takes warfarin shows that the teaching about diet was effective?

  1. I will stop eating green leafy vegetables completely.
  2. I will drink cranberry juice every day to stay healthy.
  3. I will have a glass of wine with dinner each night.
  4. I will eat about the same amount of green leafy vegetables every week.
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Correct answer: I will eat about the same amount of green leafy vegetables every week.

A steady intake of vitamin K keeps the INR stable. Alcohol and cranberries increase the effect of warfarin.

Source: Nursing Pharmacology, 2nd edition (Open RN, Chippewa Valley Technical College, 2023), Cardiovascular & Renal Systems: Warfarin. Licensed under CC BY 4.0.

Practice the topic "Pharmacological and Parenteral Therapies"

Questions last reviewed: 18 October 2026