A client admitted to the hospital with suspected myasthenic crisis was prescribed edrophonium (Tensilon). The nurse misread the dosage and administered a higher dose than prescribed. The doctor has ordered an antidote to be given. What medication does the nurse anticipate administering?

Pyridostigmine

Flumazenil

Acetylcholine

Atropine

Answer and Explanation

The Correct Answer is D

Choice A reason: Pyridostigmine is a medication used to treat myasthenia gravis by inhibiting acetylcholinesterase, but it is not used as an antidote for edrophonium overdose. Pyridostigmine helps improve muscle strength by increasing the amount of acetylcholine available at the neuromuscular junction.

Choice B reason: Flumazenil is an antidote for benzodiazepine overdose and has no effect on edrophonium. It works by competitively inhibiting the actions of benzodiazepines on the GABA receptor.

Choice C reason: Acetylcholine itself is not used as an antidote for edrophonium overdose. Administering acetylcholine would not counteract the effects of excessive acetylcholinesterase inhibition caused by edrophonium.

Choice D reason: Atropine is the correct antidote for edrophonium overdose. Atropine is an anticholinergic drug that can counteract the excessive accumulation of acetylcholine caused by edrophonium, thereby alleviating symptoms such as bradycardia and muscle weakness.

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Correct Answer is ["B","C","E"]

Explanation

Choice A reason: Congestive heart failure can lead to prerenal injury due to decreased renal perfusion, but it is not a direct cause of intrarenal injury.

Choice B reason: Vancomycin is a nephrotoxic medication that can cause intrarenal injury. The drug can directly damage the renal tubules, leading to acute kidney injury.

Choice C reason: Glomerulonephritis involves inflammation of the glomeruli, which is a direct cause of intrarenal injury. This condition affects the kidney's filtering units, leading to impaired renal function.

Choice D reason: Bladder cancer is more associated with postrenal injury due to obstruction of urine flow, rather than intrarenal injury.

Choice E reason: A traumatic injury directly onto the kidney can cause damage to the renal tissue, leading to intrarenal injury. This type of injury affects the kidney itself and can result in acute kidney injury.

A. Place defibrillator pads and prepare for defibrillation B. Prepare Cardizem subcutaneously C. Prepare for synchronized cardioversion D. Prepare Adenosine PO E. Prepare for Adenosine IV

Correct Answer is ["A","B","D"]

Explanation

Choice A reason: Placing defibrillator pads and preparing for defibrillation is typically not indicated for supraventricular tachycardia (SVT) unless the patient is unresponsive or pulseless, which requires immediate emergency intervention. SVT is usually managed with vagal maneuvers or medications.

Choice B reason: Cardizem (diltiazem) is not administered subcutaneously. It is usually given orally or intravenously for the treatment of arrhythmias. Requesting clarification on this order is necessary to ensure the correct administration route.

Choice C reason: Preparing for synchronized cardioversion is an appropriate order for the treatment of unstable SVT if medications are ineffective. This procedure involves delivering a timed electrical shock to restore normal heart rhythm.

Choice D reason: Adenosine is not administered orally. It is typically given as a rapid intravenous push to treat SVT. Preparing adenosine for oral administration is incorrect and requires clarification to ensure the patient's safety and effective treatment.

Choice E reason: Preparing for adenosine IV is appropriate as it is the correct route of administration for treating SVT.

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A client admitted to the hospital with suspected myasthenic crisis was prescribed edrophonium (Tensilon). The nurse misread the dosage and administered a higher dose than prescribed. The doctor has ordered an antidote to be given. What medication does the nurse anticipate administering?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse realizes that which clients are at risk for intra-renal injury? (Select all that apply)

Correct Answer is ["B","C","E"]

Explanation

The nurse identifies the client exhibiting supraventricular tachycardia and calls the provider. Several orders are given. For which of the following orders would the nurse request further clarification? (Select all that apply)

Correct Answer is ["A","B","D"]

Explanation

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