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 D
Explanation
A. Fever: Fever is not a common adverse effect of haloperidol.
B. Intractable hiccups: While hiccups can occur as a side effect of some medications, they are not a commonly reported adverse effect of haloperidol.
C. Excessive salivation: Excessive salivation is not a typical adverse effect of haloperidol.
D. Extrapyramidal symptoms: Haloperidol, as a first-generation antipsychotic, is known to cause extrapyramidal symptoms such as dystonia, akathisia, parkinsonism, and tardive dyskinesia. Monitoring for these adverse effects is essential during treatment with haloperidol.
Correct Answer is D
Explanation
A. Carbamazepine is an anticonvulsant medication used to treat seizures and certain mood disorders. It is not typically used in the treatment of Parkinson's disease.
B. Piperacillin/tazobactam is an antibiotic combination used to treat bacterial infections. It is not used in the treatment of Parkinson's disease.
C. Levothyroxine is a synthetic thyroid hormone used to treat hypothyroidism. It is not used in the treatment of Parkinson's disease.
D. Levodopa/carbidopa is a medication commonly used in the treatment of Parkinson's disease to manage motor symptoms such as tremor, rigidity, and bradykinesia. The nurse should provide
thorough education to the client regarding the indication, dosage, administration, potential side effects, and precautions associated with levodopa/carbidopa therapy.
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