A nurse is preparing to administer medroxyprogesterone 150 mg IM to a client who has requested contraception. Available is medroxyprogesterone solution for injection 150 mg/mL. How many mL should the nurse administer?
(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["1"]
Dosage (mL) = Ordered dose (mg) / Available dose (mg/mL) Therefore;
Dosage = 150 mg / 150 mg/mL Dosage = 1 mL
Therefore, the nurse should administer 1 mL of medroxyprogesterone solution for injection to the client.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The correct answer is Choice B.
Choice A rationale: This is incorrect because the prescription is for one time only, not for repeated doses.Giving the medication each time the client saturates the perineal pad within 15 min could cause uterine hyperstimulation, water intoxication, or hypotension1.
Choice B rationale: This is correct because the prescription is for one time only and the indication is saturation of a perineal pad in 15 min or less.This is a sign of postpartum hemorrhage, which is a common and potentially life-threatening complication of childbirth2.Oxytocin is a uterotonic agent that helps the uterus contract and reduce bleeding3.
Choice C rationale: This is incorrect because waiting 15 min to administer the medication after the client saturates a perineal pad could result in excessive blood loss and hypovolemic shock. The medication should be given as soon as possible after the indication is met.
Choice D rationale: This is incorrect because offering the medication now to prevent saturation of perineal pad is not the intended use of the prescription. The medication is for treatment, not prevention, of postpartum hemorrhage. Prophylactic oxytocin is usually given intravenously or intramuscularly during or immediately after the delivery of the placenta.
Correct Answer is ["45"]
Explanation
Infusion rate in mL/h = Dose (mcg/kg/min) x Weight (kg) x 60 / Concentration (mcg/mL) In this case, the dose is 2 mcg/kg/min and the concentration is 50 mg/250 mL or 200 mcg/mL. Therefore, the infusion rate is:
Infusion rate (mL/h) = 2 x 75 x 60 / 200 Infusion rate (mL/h) = 45
The nurse should set the IV pump to deliver 45 mL/h.
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