A nurse is caring for a client who has heart failure and a potassium level of 2.4 mEq/L. The nurse should identify which of the following medications as contributing to this lab value?

Nitroglycerin

Metoprolol

Spironolactone

Furosemide

Answer and Explanation

The Correct Answer is D

Choice A reason : Nitroglycerin is used to treat angina pectoris and does not typically cause a decrease in potassium levels¹.

Choice B reason : Metoprolol is a beta-blocker used to treat high blood pressure and heart failure but is not known to significantly affect potassium levels¹.

Choice C reason : Spironolactone is a potassium-sparing diuretic and would not contribute to low potassium levels; it is more likely to cause hyperkalemia¹.

Choice D reason : Furosemide is a loop diuretic that can lead to hypokalemia by increasing the excretion of potassium in the urine. It is known to contribute to low potassium levels and should be identified as the medication affecting this lab value¹².

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Correct Answer is A

Explanation

Choice A reason : Levodopa/carbidopa is the most commonly prescribed medication for the management of Parkinson's disease symptoms. It works by increasing dopamine levels in the brain, which helps control movement and reduce the symptoms of Parkinson's disease.

Choice B reason : Piperacillin/tazobactam is an antibiotic and is not used in the treatment of Parkinson's disease.

Choice C reason : Levothyroxine is a thyroid hormone replacement medication and is not used in the treatment of Parkinson's disease.

Choice D reason : Carbamazepine is a medication used to treat seizures and certain types of nerve pain but is not typically used in the treatment of Parkinson's disease.

A. White beans B. Cantaloupe C. Cabbage D. Green beans

Correct Answer is C

Explanation

Choice A reason : White beans do not have a significant interaction with warfarin. They are a good source of protein and fiber and can be included in the diet unless otherwise contraindicated.

Choice B reason : Cantaloupe does not interact significantly with warfarin and can be consumed as part of a balanced diet. It is rich in vitamins and hydration.

Choice C reason : Cabbage contains vitamin K, which can interfere with the effectiveness of warfarin. Vitamin K is essential for blood clotting, and warfarin works by inhibiting the effects of this vitamin. Therefore, patients on warfarin are advised to maintain a consistent intake of vitamin K and avoid sudden increases in foods high in this nutrient.

Choice D reason : Green beans have a moderate amount of vitamin K but are not typically restricted for patients on warfarin. It is important for patients to maintain a consistent intake of vitamin K; thus, they should not make significant changes to their diet without consulting their healthcare provider.

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A nurse is caring for a client who has heart failure and a potassium level of 2.4 mEq/L. The nurse should identify which of the following medications as contributing to this lab value?

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