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

Answer and Explanation

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.

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Correct Answer is ["A","C"]

Explanation

A. Increased heart rate: Sympathetic nervous system stimulation typically leads to increased heart rate as part of the "fight or flight" response.
B. Decrease in urinary bladder muscle tone: Sympathetic stimulation would typically cause relaxation of the urinary bladder, leading to increased muscle tone.
C. Increased blood pressure: Sympathetic nervous system activation results in vasoconstriction and increased cardiac output, leading to elevated blood pressure.
D. Decreased salivation: Sympathetic stimulation can lead to decreased salivation as part of the "fight or flight" response, but it's not a consistent finding.
E. Decreased bowel sounds: Sympathetic activation can inhibit gastrointestinal motility, leading to decreased bowel sounds, but it's not a universal finding in sympathetic stimulation.

A. A patient with a history of peptic ulcer disease B. A patient with a history of liver disease C. A patient who is complaining of a mild headache D. A patient with a fever of 101°F (38.3°C)

Correct Answer is B

Explanation

A. Acetaminophen is generally considered safe for patients with a history of peptic ulcer disease.

It does not irritate the gastrointestinal mucosa like nonsteroidal anti-inflammatory drugs (NSAIDs).
B. Patients with a history of liver disease should not receive acetaminophen or should use it with caution and under close supervision, as acetaminophen is metabolized in the liver. Liver
impairment can lead to decreased metabolism of acetaminophen, potentially resulting in drug accumulation and hepatotoxicity.
C. Acetaminophen is commonly used to relieve mild to moderate headaches. However, the appropriateness of acetaminophen use in this scenario depends on the patient's overall health status and any contraindications specific to the individual.
D. Acetaminophen is often used to reduce fever. A fever of 101°F (38.3°C) alone does not necessarily contraindicate acetaminophen use, but caution should be exercised in patients with liver disease.

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A patient has had an overdose of an intravenous cholinergic drug. The nurse expects to administer which drug as an antidote?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is caring for a client experiencing sympathetic nervous system stimulation. What assessment finding supports this diagnosis? Select all that apply. (Select All that Apply.)

Correct Answer is ["A","C"]

Explanation

The nurse is assessing a patient for contraindications to drug therapy with acetaminophen. Which patient should not receive acetaminophen?

Correct Answer is B

Explanation

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