A nurse is caring for a client who is to receive potassium replacement. The provider’s prescription reads, “Potassium chloride 30 mEq in 0.9% sodium chloride 100 mL IV over 30 min.” For which of the following reasons should the nurse clarify this prescription with the provider?
The potassium infusion rate is too rapid.
Another formulation of potassium should be given IV.
Potassium chloride should be diluted in dextrose 5% in water.
The client should be treated by giving potassium by IV bolus.
The Correct Answer is A
According to various guidelines12345, the recommended rate of intravenous potassium replacement is 10-20 mEq/h with continuous ECG monitoring. The maximum rate is 40 mEq/h in emergency situations. The prescription given by the provider exceeds this limit and could cause cardiac arrhythmias or hyperkalemia.
Choice B is wrong because potassium chloride is a common and appropriate formulation of potassium for intravenous administration.
Choice C is wrong because potassium chloride should not be diluted in dextrose 5% in water, as this could cause hyperglycemia or osmotic diuresis.
Choice D is wrong because potassium should never be given by IV bolus, as this could cause cardiac arrest or tissue necrosis.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Clozapine is an antipsychotic medication that is used to treat schizophrenia and other psychotic disorders. It works by affecting the balance of certain chemicals in the brain.
Choice A is wrong because clozapine can cause weight gain, not weight loss, in some people. This can increase the risk of diabetes, high cholesterol, and heart problems. The nurse should advise the client to monitor their weight regularly and to follow a healthy diet and exercise plan.
Choice B is wrong because ringing in the ears (tinnitus) is not an expected adverse effect of clozapine. However, clozapine can cause other ear problems, such as otitis media (middle ear infection) or otitis externa (outer ear infection). The nurse should instruct the client to report any ear pain, discharge, or hearing loss to their provider.
Choice D is wrong because diarrhoea is not a common adverse effect of clozapine. However, clozapine can cause constipation, which can be severe and lead to bowel obstruction or perforation. The nurse should advise the client to drink plenty of fluids, eat high-fibre foods, and use laxatives as prescribed by their provider.
Choice C is correct because fever is a serious adverse effect of clozapine that may indicate a life-threatening condition called
agranulocytosis. Agranulocytosis is a severe reduction in white blood cells that can impair the immune system and increase the risk of infections. The nurse should instruct the client to notify their provider immediately if they develop a fever or any signs of infection, such as sore throat, cough, or flu-like symptoms. The client should also have regular blood tests to monitor their white blood cell count while taking clozapine.
Correct Answer is A
Explanation
This is because it uses the full name of the drug, the exact dose, the route of administration, the frequency, and the indication for use. It also avoids any abbreviations that could be confused with other drugs or measurements.
Choice B is wrong because MS is an abbreviation for morphine sulfate which could be mistaken for magnesium sulfate.
Choice C is wrong because MSO4 is an abbreviation for morphine sulfate that could be mistaken for magnesium sulfate.
Choice D is wrong because 6.0 mg could be misread as 60 mg and lead to a tenfold overdose.
Normal ranges for morphine dosage depend on the route of administration, the indication, and the patient’s tolerance and response.
For acute pain, the usual oral dose is 10 to 30 mg every 4 hours as needed. For chronic pain, the usual oral dose is 15 to 30 mg every 8 to 12 hours as needed.
For intravenous (IV) administration, the usual dose is 2.5 to 15 mg every 4 hours as needed.
The morphine equivalent daily dose (MEDD) is a concept that attempts to establish an equivalency in terms of dose when comparing any opioid to morphine.
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