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Which statement by a client indicates an understanding of self-care precautions when taking warfarin?

"My warfarin dose may need to be readjusted when I take a course of antibiotics."

"I should expect pink urine due to metabolic bi-products of the dye used in this medication."

"I should eat spinach to increase my iron count if my INR goes below two."

"Herbal remedies are fine, but I shouldn't take aspirin without consulting my provider."

Answer and Explanation

The Correct Answer is A

A) Antibiotics can interact with warfarin, potentially affecting the INR, so dose adjustments may be necessary.

B) Pink urine is not an expected side effect of warfarin; this statement is inaccurate.

C) Eating spinach to increase iron count is not a relevant action related to warfarin or INR levels.

D) Warfarin interacts with many substances, including herbal remedies and aspirin. Notifying the provider before taking new medications or supplements is crucial for proper management.

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Correct Answer is A

Explanation

a) St. John's Wort is known to increase the risk of bleeding, especially when used with anticoagulant medications. This effect is particularly concerning and may require adjustments in the treatment plan.

b) While St. John's Wort can interact with various drugs, increasing the risk of bleeding is a more immediate concern.

c) St. John's Wort does not counteract the effects of CNS depressants; it may actually enhance the effects of these drugs.

d) St. John's Wort is known to induce the metabolism of some drugs, potentially reducing their effectiveness, but this is not as immediately concerning as the risk of bleeding.

A. Taking finasteride B. Occasional use of nitroglycerin C. Benign prostatic hypertrophy D. Mild hypertension

Correct Answer is A

Explanation

A) Sildenafil and finasteride can both lower blood pressure, and concomitant use may increase the risk of hypotension.

B) Nitroglycerin use is a contraindication for sildenafil due to the risk of severe hypotension.

C) Benign prostatic hypertrophy alone may not be a contraindication for sildenafil use.

D) Mild hypertension alone may not be a contraindication for sildenafil, but it should be considered in the overall assessment of cardiovascular health.

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Which statement by a client indicates an understanding of self-care precautions when taking warfarin?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is obtaining a history from a client who discloses daily use of St. John's Wort in addition to prescription drugs. Which effect of this dietary supplement would most concern the nurse?

Correct Answer is A

Explanation

A client who has erectile dysfunction asks a nurse whether sildenafil would be a suitable medication. Which aspect of this client's history would be of most concern?

Correct Answer is A

Explanation

A client taking warfarin presents with bruises, dark tarry stools, and an international normalized ratio (INR) of 4.3. What is the nurse's action?

A client has been prescribed 81 mg of enteric coated aspirin every morning. Which of these statements by the client warrants further education?

Which statement by a client indicates an understanding of self-care precautions when taking warfarin?

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