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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: The nurse waiting 5 minutes between administering prescribed eye drops is a standard practice to allow each drop to be properly absorbed and avoid dilution of the medication. This intervention does not require any action from the charge nurse.
Choice B reason: Leaving the eye shield in place while the client sleeps helps protect the eye from potential injury or infection after surgery. This is a recommended practice and does not need intervention from the charge nurse.
Choice C reason: Instructing the client not to drive at night is a reasonable precautionary measure given the client's recent eye surgery and potential vision changes. This instruction does not warrant intervention from the charge nurse.
Choice D reason: Encouraging the client to exercise with 20 lb weights one day post-operatively is inappropriate and requires the charge nurse to intervene. Strenuous activity can increase intraocular pressure and compromise the healing process after cataract surgery. The client should avoid heavy lifting and follow the post-operative care instructions provided by the healthcare team.
Correct Answer is C
Explanation
Choice A reason: Prolonged bleeding is not a direct indicator of hyperkalemia. It is more commonly associated with coagulation disorders or conditions affecting blood clotting.
Choice B reason: Dry mucous membranes are more indicative of dehydration rather than hyperkalemia. Dehydration can result from a variety of conditions but is not specific to high potassium levels.
Choice C reason: Peaked T-waves on an electrocardiogram (ECG) are a classic sign of hyperkalemia. Elevated potassium levels affect the cardiac conduction system, leading to characteristic changes in the ECG, such as tall, peaked T-waves, widened QRS complexes, and flattened P-waves.
Choice D reason: Polyuria (excessive urination) is not typically associated with hyperkalemia. It is more commonly seen in conditions like diabetes mellitus or diabetes insipidus.
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