What is the action of ergotamine?
Increases hypoperfusion of basilar artery vascular bed.
Decreases hypoperfusion of basilar artery vascular bed.
Increases hyperperfusion of basilar artery vascular bed.
Decreases hyperperfusion of basilar artery vascular bed.
The Correct Answer is D
Choice A rationale
Ergotamine does not increase hypoperfusion. It is used to constrict blood vessels to reduce blood flow.
Choice B rationale
Ergotamine does not decrease hypoperfusion. It is used to constrict blood vessels to reduce blood flow.
Choice C rationale
Ergotamine does not increase hyperperfusion. It is used to constrict blood vessels to reduce blood flow.
Choice D rationale
Ergotamine decreases hyperperfusion by constricting blood vessels in the basilar artery vascular bed, reducing the blood flow to relieve migraine headaches. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Weight-bearing exercises are beneficial for cardiovascular health and bone density, and substituting them with yoga may not address the underlying factors contributing to hypertension.
Choice B rationale
Decreased fluid intake is not generally recommended as it can lead to dehydration, which may negatively impact blood pressure. Increased potassium intake is beneficial, but not reducing fluid intake.
Choice C rationale
Stress reduction is indeed beneficial for managing hypertension, but increased protein intake is not specifically indicated for lowering blood pressure and may have other health implications.
Choice D rationale
Weight reduction and decreased sodium intake are well-established lifestyle changes for managing hypertension. Reducing sodium helps lower blood pressure, and weight loss reduces the strain on the cardiovascular system.
Correct Answer is D
Explanation
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. .
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