An emergency drug which increases heart rate, raises blood pressure, and dilates bronchi is:
Antihistamine
Sedative
Epinephrine
Hormone
The Correct Answer is C
Choice A reason: Antihistamines block histamine, not raise HR or BP. Epinephrine fits emergency needs. This errors per nursing pharmacology. It’s universally distinct, lacking stimulatory emergency effects.
Choice B reason: Sedatives reduce activity, not increase HR or BP. Epinephrine acts oppositely. This choice reverses nursing standards. It’s universally distinct, unsuitable for emergency stimulation.
Choice C reason: Epinephrine boosts HR, BP, and dilates bronchi in emergencies. This matches nursing pharmacology standards. It’s universally applied, distinctly effective for acute life-saving interventions.
Choice D reason: Hormones vary; epinephrine specifically meets all criteria emergently. This lacks precision per nursing standards. It’s universally distinct, too vague for the question’s intent.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Amiodarone treats arrhythmias, not vasodilation or BP reduction primarily. Nitroglycerin fits, per nursing pharmacology. This errors universally, distinctly missing cardiac output goals.
Choice B reason: Albuterol dilates airways, not vessels; BP isn’t lowered. Nitroglycerin is correct, per nursing standards. This misaligns universally, distinctly unrelated to vasodilation.
Choice C reason: Pravastatin lowers cholesterol, not BP via vasodilation. Nitroglycerin matches, per nursing pharmacology. This errors universally, distinctly off-target for cardiac effects.
Choice D reason: Nitroglycerin vasodilates, boosts cardiac output, and lowers BP for angina. This aligns, per nursing standards. It’s universally recognized, distinctly effective in practice.
Correct Answer is B
Explanation
Choice A reason: Decreasing BP is correct; other options don’t apply. This choice errors per nursing pharmacology. It’s universally distinct, denies the right answer.
Choice B reason: Vasotec, an ACE inhibitor, lowers BP by vessel relaxation. This aligns with nursing pharmacology standards. It’s universally applied, distinctly effective.
Choice C reason: Elevating BP opposes ACE inhibitor action entirely. Lowering is correct. This errors per nursing standards. It’s universally distinct, reverses function.
Choice D reason: No effect contradicts Vasotec’s BP-lowering purpose. This choice misaligns with nursing pharmacology. It’s universally distinct, errors in drug role.
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