HESI Fundamentals Exam Related

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A client who has a new prescription for warfarin (Coumadin) is receiving discharge teaching from a nurse. Which of the following statements indicates that the client understands the teaching?

  • A. I will take my warfarin at the same time every day.
  • B. I should use a soft-bristled toothbrush while taking this medication.
  • C. I should take my warfarin at bedtime.
  • D. I should avoid eating foods high in vitamin K while taking this medication.
Correct Answer: A

Rationale: The correct answer is A. Taking warfarin at the same time every day is essential to maintain a consistent blood level of the medication. This statement indicates that the client understands the teaching about the importance of consistency in medication timing. Choice B, regarding using a soft-bristled toothbrush, is not directly related to warfarin therapy and does not assess the client's understanding of warfarin administration. Choice C suggesting taking warfarin at bedtime is incorrect; it is generally recommended to take warfarin at the same time each day to avoid variations in drug levels. Choice D about avoiding foods high in vitamin K is relevant as vitamin K can interfere with warfarin's anticoagulant effects. However, it is not the best indicator of understanding the teaching on medication timing, which is crucial for warfarin efficacy.