A nurse is preparing to administer potassium chloride 10 mEq IV over 1 hr to a client. Available in potassium chloride 10 mEq in 100 mL of 0.9% sodium chloride. The nurse should set the infusion pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.).

10 mL/hr.

50 mL/hr.

100 mL/hr.

500 mL/hr.

Answer and Explanation

The Correct Answer is C

Choice A rationale:
10 mL/hr would be the correct infusion rate if the client was receiving the entire 10 mEq of potassium chloride in a 100 mL solution over 1 hour. However, the question asks for the rate at which to administer 10 mEq over 1 hour, which means the total volume should be 100 mL/hr.
Choice B rationale:
50 mL/hr would be the correct infusion rate if the client was receiving the entire 10 mEq of potassium chloride in a 100 mL solution over 2 hours. However, the question specifies 1 hour, so the rate should be higher.
Choice C rationale:
This is the correct answer. To administer 10 mEq of potassium chloride in 100 mL over 1 hour, the infusion pump should be set to deliver 100 mL/hr.
Choice D rationale:
500 mL/hr would be the correct infusion rate if the client was receiving the entire 10 mEq of potassium chloride in a 100 mL solution over 10 minutes (1/6th of an hour). However, the question specifies 1 hour, so the rate should be much lower.

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Correct Answer is C

Explanation

A. Administer the medication no faster than 100 mg/min. B. Monitor plasma phenytoin levels to establish the therapeutic range. C. Add the medication to the existing IV solution. D. Monitor the client for hypertension.

Correct Answer is A

Explanation

Choice A rationale:

Administering phenytoin IV no faster than 100 mg/min is crucial to prevent adverse effects such as cardiovascular collapse or severe hypotension. Rapid administration of phenytoin can cause cardiac arrhythmias and should be avoided.

Choice B rationale:

Monitoring plasma phenytoin levels to establish the therapeutic range is a necessary action in managing the client's seizure disorder, but it does not pertain to the specific administration of phenytoin via intermittent bolus.

Choice C rationale:

Adding the medication to the existing IV solution is not appropriate for phenytoin administration. Phenytoin should be administered separately and not mixed with other IV solutions to maintain its stability and prevent interactions.

Choice D rationale:

Monitoring the client for hypertension is not directly related to the administration of phenytoin via intermittent bolus. Hypertension is not a common adverse effect of this medication. However, blood pressure should be monitored as part of routine care for any client on antiepileptic therapy.

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is C

Explanation

A nurse is planning to administer phenytoin IV via intermittent bolus to a client who has a seizure disorder and is receiving a continuous IV infusion of dextrose 5% in water (D5W). Which of the following actions should the nurse plan to take?

Correct Answer is A

Explanation

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