A nurse is preparing to administer magnesium sulfate 4 g to a client byintermittent IV bolus over 20 min. Available is magnesium sulfate 4 g in 0.9% sodiumchloride 50 mL. The nurse should set the IV 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.)
The Correct Answer is ["150"]
Infusion rate = volume in mls/ infusion time in hrs
= 50mls divided by 20/60
= 150mls/hr
The nurse should set the IV pump to deliver 150 mL/hr.
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Related Questions
Correct Answer is C
Explanation
A. Offering the medication now to prevent saturation of the perineal pad is incorrect because the prescription specifies administering the medication only if the pad is saturated within 15 minutes. Preventative administration is not indicated.
B. Giving the medication each time the client saturates the perineal pad within 15 minutes is incorrect because the prescription states "one time only." Repeated administration is not in line with the prescription.
C. Administering the medication once if the client saturates the perineal pad within 15 minutes is correct. This interpretation aligns with the prescription's directive to give the medication one time only under the specified condition.
D. Waiting to administer the medication after the client saturates a perineal pad is incorrect because the prescription does not specify a waiting period after saturation. The medication should be given immediately if the saturation occurs within the 15-minute timeframe.
Correct Answer is D
Explanation
Choice A reason: Ensuring that the rate of the client's terbutaline infusion does not exceed 18 mg/hr is incorrect. The prescription specifies the maximum rate as 30 mcg/min, not 18 mg/hr. The units are different, and the prescribed rate is much lower than 18 mg/hr. Terbutaline is typically administered in micrograms per minute, and the nurse should follow the specific rate and titration instructions provided in the prescription.
Choice B reason: Weighing the client to determine the rate of the terbutaline infusion is not necessary according to the prescription. The dosage and titration instructions are based on the number of uterine contractions and not on the client's weight. While weight-based dosing is common for some medications, this prescription provides clear guidelines for adjusting the infusion rate based on the client's contraction pattern.
Choice C reason: Increasing the drip rate of the infusion by 5 mL/hr when titrating the dosage is incorrect. The prescription specifies increasing the infusion rate by 5 mcg/min every 10 minutes until contractions stop, not by 5 mL/hr. The nurse should follow the prescribed titration instructions, which are based on micrograms per minute, to ensure the correct dosage and avoid potential complications.
Choice D reason: This is the correct interpretation of the prescription. The nurse should initiate the infusion of terbutaline if the client has five or more contractions in 1 hour. The prescription indicates that the infusion should start at 2.5 mcg/min and be increased by 5 mcg/min every 10 minutes until the contractions stop, with a maximum rate of 30 mcg/min. This approach helps manage uterine contractions effectively and ensures the client receives the appropriate dosage based on their contraction pattern.
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