A patient has had an overdose of an intravenous cholinergic drug. The nurse expects to administer which drug as an antidote?
Dobutamine
Atropine sulfate
Atenolol
Bethanechol
The Correct Answer is B
A. Dobutamine is a sympathomimetic drug used to increase cardiac output in conditions such as heart failure. It is not an antidote for cholinergic drug overdose.
B. Atropine sulfate is the antidote for cholinergic drug overdose. It acts as a competitive antagonist to acetylcholine at muscarinic receptors, counteracting the effects of excessive cholinergic stimulation.
C. Atenolol is a beta-blocker used to manage hypertension and certain cardiac conditions. It is not an antidote for cholinergic drug overdose.
D. Bethanechol is a cholinergic agonist used to stimulate bladder contractions in urinary retention. It is not an antidote for cholinergic drug overdose; in fact, it would exacerbate cholinergic effects.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Egg salad sandwich: Eggs are generally considered safe to consume with MAOIs. There are no significant interactions between egg salad and MAOIs.
B. Pepperoni pizza: Pepperoni contains high levels of tyramine, which can cause a hypertensive crisis when consumed with MAOIs. Therefore, pepperoni pizza should be avoided by patients
taking MAOIs.
C. Pancakes and maple syrup: Pancakes and maple syrup are generally safe choices with MAOIs, as they do not contain high levels of tyramine.
D. Fried eggs over-easy: Like egg salad, fried eggs are generally considered safe to consume with MAOIs. There are no significant interactions between fried eggs and MAOIs.
Correct Answer is ["0.5"]
Explanation
Given:
Dose required = 35 mg
Concentration of medication = 75 mg/mL Formula:
Volume (mL) = Dose required (mg) / Concentration of medication (mg/mL) Calculation:
Volume (mL) = 35 mg / 75 mg/mL Result:
Volume (mL) = 0.4666667 mL Rounded to the nearest tenth:
Volume (mL) ≈ 0.5 mL
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