The nurse is caring for a patient who is taking a calcium-channel blocker.
What adverse effects would the nurse caution this patient about?
Itching and rash.
Hypertension and tachycardia.
Nausea and diarrhea.
Headache and dizziness.
The Correct Answer is D
Choice A rationale
Itching and rash are not common adverse effects associated with calcium-channel blockers. They are more commonly related to other classes of medications.
Choice B rationale
Hypertension and tachycardia are not typical adverse effects of calcium-channel blockers. These medications are usually prescribed to treat hypertension and can actually cause a reduction in heart rate.
Choice C rationale
Nausea and diarrhea are possible side effects of many medications, but they are not specific adverse effects commonly linked to calcium-channel blockers.
Choice D rationale
Headache and dizziness are common adverse effects of calcium-channel blockers. These medications can cause vasodilation, leading to headaches and a decrease in blood pressure, which may result in dizziness, especially when standing up quickly. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Discontinuing carbidopa-levodopa abruptly can lead to withdrawal symptoms and a worsening of Parkinson's symptoms. Insomnia is a possible side effect but should be managed under medical supervision.
Choice B rationale
Carbidopa-levodopa can cause orthostatic hypotension, leading to dizziness and an increased risk of falls. Patients should be advised to rise slowly from a sitting or lying position to prevent these effects.
Choice C rationale
Dark urine can be a harmless side effect of carbidopa-levodopa due to the excretion of metabolites. It is not usually a cause for concern unless accompanied by other symptoms.
Choice D rationale
High-protein foods can interfere with the absorption of carbidopa-levodopa, reducing its effectiveness. It is recommended to take the medication on an empty stomach or with low-protein foods.
Correct Answer is D
Explanation
Choice A rationale
The auricle is an ear-shaped appendage on the surface of the atrium and does not separate the right and left halves of the heart. Its function is to increase the capacity of the atrium, allowing for more blood to be collected and passed to the ventricles.
Choice B rationale
Syncytia refer to a multinucleated cell that can result from the fusion of multiple cells, which is not a structure that separates the right and left sides of the heart. They are typically related to muscle tissue and coordinated contractions.
Choice C rationale
The Bundle of His is a collection of heart muscle cells specialized for electrical conduction that transmits the electrical impulses from the AV node to the point of the apex of the fascicular branches. It does not act as a separator between the right and left halves of the heart.
Choice D rationale
The septum is the structure that separates the right and left halves of the heart. It is a robust wall that divides the atria (interatrial septum) and the ventricles (interventricular septum), ensuring the segregation of oxygenated and deoxygenated blood.
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