A client is admitted to the hospital with a myasthenic crisis. The nurse should anticipate which potential precipitating factors for this event?

The client consumes a high purine diet

Taking too much of their medication

Taking too little of the prescribed medication

Taking their medication while on an empty stomach

Answer and Explanation

The Correct Answer is C

Choice A reason: Consuming a high purine diet is not related to myasthenic crisis. High purine diets are more commonly associated with conditions like gout, where uric acid levels become elevated.

Choice B reason: Taking too much of their medication can lead to a cholinergic crisis, not a myasthenic crisis. A cholinergic crisis occurs due to excessive accumulation of acetylcholine, often from overmedication with anticholinesterase drugs.

Choice C reason: Taking too little of the prescribed medication is the primary precipitating factor for a myasthenic crisis. Inadequate levels of medication lead to insufficient acetylcholine at neuromuscular junctions, causing severe muscle weakness and potentially life-threatening respiratory failure. This situation requires immediate medical intervention to stabilize the patient.

Choice D reason: Taking medication on an empty stomach may affect absorption rates, but it is not a direct precipitating factor for a myasthenic crisis. The crisis is more closely linked to under-medication or missed doses of anticholinesterase drugs.

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Correct Answer is B

Explanation

Choice A reason: Sodium bicarbonate is used to treat metabolic acidosis and is not indicated for symptomatic bradycardia.

Choice B reason: Atropine is the first-line medication for symptomatic bradycardia. It works by blocking the vagus nerve's effects on the heart, increasing heart rate. It is commonly used in emergency settings to manage bradycardia until a more definitive treatment, such as pacemaker insertion, can be provided.

Choice C reason: Magnesium is typically used to treat torsades de pointes, a specific type of ventricular tachycardia, and is not indicated for symptomatic bradycardia.

Choice D reason: Amiodarone is an antiarrhythmic medication used to manage various types of arrhythmias, including ventricular tachycardia and fibrillation, but it is not indicated for symptomatic bradycardia.

A. Verify the conductive gel pads to ensure proper placement B. Step away from the bed and make sure all others have done the same C. Shut off the intravenous infusion going into the client's arm D. Shut off the mechanical ventilator

Correct Answer is B

Explanation

Choice A reason: Verifying the conductive gel pads is important but should be done before the command "CLEAR!" is given.

Choice B reason: Stepping away from the bed and ensuring others have done the same is crucial for safety. It prevents accidental electrical shock to anyone touching the patient or bed during defibrillation.

Choice C reason: Shutting off the intravenous infusion is not necessary during defibrillation. It does not pose a safety risk in this context.

Choice D reason: Shutting off the mechanical ventilator is not necessary during defibrillation and could compromise the patient's ventilation status.

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A client is admitted to the hospital with a myasthenic crisis. The nurse should anticipate which potential precipitating factors for this event?

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Naxlex Comprehensive Predictor Exams

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