A nurse in a clinic is caring for a client who has recently begun taking warfarin. The nurse is reviewing potential drug and food interaction risks and should instruct the client to avoid which of the following?

Cabbage

Green beans

White beans

Cantaloupe

Answer and Explanation

The Correct Answer is A

A. Cabbage: This is the correct answer. Cabbage is a food high in vitamin K, which can antagonize the effects of warfarin. Warfarin is an anticoagulant that works by inhibiting vitamin K-dependent clotting factors. Consistent intake of vitamin K-rich foods, such as cabbage, can affect the stability of the client's international normalized ratio (INR).

B. Green beans: Green beans are not particularly high in vitamin K, and their consumption is not usually restricted for clients taking warfarin.

C. White beans: White beans are not particularly high in vitamin K, and their consumption is not usually restricted for clients taking warfarin.

D. Cantaloupe: Cantaloupe is not high in vitamin K, and its consumption is not usually restricted for clients taking warfarin.

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Correct Answer is C

Explanation

A. Bradypnea: Bradypnea refers to abnormally slow breathing. In the context of postoperative atelectasis and hypoxia, the client is more likely to exhibit tachypnea (rapid breathing) as the body attempts to compensate for reduced oxygen levels.

B. Bradycardia: Bradycardia is an abnormally slow heart rate. While hypoxia can lead to changes in heart rate, it is more common to observe tachycardia (increased heart rate) as a compensatory response to decreased oxygen levels.

C. Intercostal retractions: Intercostal retractions occur when the muscles between the ribs pull inward during inspiration. In a client with atelectasis and hypoxia, increased respiratory effort may result in intercostal retractions as the body tries to enhance airflow and improve oxygenation.

D. Lethargy: Lethargy refers to a state of drowsiness or fatigue. While hypoxia can lead to lethargy, it is not a specific respiratory manifestation. Other respiratory signs, such as increased respiratory rate and retractions, are more likely to be observed.

A. Red-colored urine B. Black-colored stools C. Staining of teeth D. Constipation

Correct Answer is A

Explanation

A. Red-colored urine: Rifampin, when taken orally or intravenously, can cause red discoloration of bodily fluids, including urine, sweat, saliva, and tears. This is a common and harmless side effect of the medication. Clients should be informed about this potential discoloration to avoid unnecessary concern.

B. Black-colored stools: Black-colored stools are not an expected side effect of rifampin.

C. Staining of teeth: While rifampin can cause staining of contact lenses, it is not associated with tooth discoloration.

D. Constipation: Constipation is not a common side effect of rifampin. Gastrointestinal side effects may include nausea, vomiting, and abdominal pain.

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A nurse in a clinic is caring for a client who has recently begun taking warfarin. The nurse is reviewing potential drug and food interaction risks and should instruct the client to avoid which of the following?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is A

Explanation

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