A patient taking levodopa/carbidopa for Parkinson disease experiences frequent "on-off" episodes (ie, the abrupt loss of effects) Which action by the nurse is best?
Administer the medication when the patient has an empty stomach.
Instruct the patient to avoid high-protein foods.
Have the patient increase the intake of vitamin B6.
Discontinue the drug for 10 days (for a "drug holiday").
The Correct Answer is B
Choice A rationale: Administering the medication with an empty stomach may enhance absorption but is not the best strategy for addressing "on-off" episodes.
Choice B rationale: The correct answer. High-protein foods can interfere with the absorption of levodopa, leading to "on-off" episodes.
Choice C rationale: Vitamin B6 supplementation is not typically used to address "on- off" episodes associated with levodopa/carbidopa.
Choice D rationale: Discontinuing the drug for 10 days (a "drug holiday") is not recommended and may result in a worsening of symptoms.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale: Dopamine receptor activation is not associated with uterine muscle relaxation. It is more commonly associated with increased blood pressure.
Choice B rationale: Dopamine receptor activation is not associated with the contraction of skeletal muscle.
Choice C rationale: Activation of dopamine receptors is associated with increased blood pressure and improved renal perfusion.
Choice D rationale: Dopamine receptor activation is not associated with decreased piloerection.
Correct Answer is A
Explanation
Choice A rationale: A blood pressure reading of 72/56 mmHg may be expected after spinal anesthesia. The nurse should continue to monitor the blood pressure to ensure it stabilizes within an acceptable range for the individual patient.
Choice B rationale: Headache is a common side effect of spinal anesthesia, and the nurse should assess for this but should not be the first action with the given blood pressure reading.
Choice C rationale: Administering oxygen by nasal cannula may not be necessary based solely on the blood pressure reading after spinal anesthesia.
Choice D rationale: Elevating the client's feet is not the first intervention for a blood pressure reading of 72/56 mmHg after spinal anesthesia. It may be considered if the blood pressure remains low and symptoms of hypotension are present.
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