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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Related Questions
Correct Answer is B
Explanation
According to the CDC, people with severe, life-threatening allergies to any ingredient in a flu vaccine (other than egg proteins) should not get that vaccine. However, people with egg allergy can get a flu vaccine. The CDC also states that people who have had a severe allergic reaction to a dose of influenza vaccine should not get that flu vaccine again and might not be able to receive other influenza vaccines. Therefore, a nurse should report an egg allergy to the provider as a possible contraindication to receiving the vaccine.
Choice A is wrong because shellfish is not an ingredient in a flu vaccine and is not a contraindication to receiving the vaccine.
Choice C is wrong because milk is not an ingredient in a flu vaccine and is not a contraindication to receiving the vaccine.
Choice D is wrong because peanuts are not an ingredient in a flu vaccine and are not a contraindication to receiving the vaccine.
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.
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