The healthcare provider prescribes magnesium sulfate 6 grams intravenously (IV) to be infused over 20 minutes for client with preterm labor. The IV bag contains magnesium sulfate 20 grams in dextrose 5% in water 500 mL. How many mL/hour should the nurse set the infusion pump?
(Enter numerical value only.)
The Correct Answer is ["450"]
- To calculate the infusion rate, use the formula:
(mL of solution / grams of drug) x (grams ordered / minutes to infuse) x 60
- In this case, the formula becomes: (500 mL / 20 g) x (6 g / 20 min) x 60
- Simplify and solve: (25 mL / g) x (0.3 g / min) x 60
- The answer is 450 mL/hour
- The nurse should set the infusion pump at 450 mL/hour
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Cries vigorously when stimulated:
Explanation: Vigorous crying is a positive sign in a newborn. It indicates that the baby is responsive, breathing effectively, and is capable of establishing the necessary air exchange.
B. A positive Babinski reflex:
Explanation: The Babinski reflex is a normal reflex in infants where the toes spread out when the sole of the foot is stimulated. While it is a normal reflex in newborns, it might not necessarily indicate the immediate transition to extrauterine life.
C. Heart rate of 220 beats/minute:
Explanation: A heart rate of 220 beats per minute in a newborn is higher than the normal range. It could be a sign of tachycardia, and this finding might require further evaluation by healthcare providers.
D. Flexion of all four extremities:
Explanation: Flexion of extremities is a normal response in a newborn, but it might not specifically indicate successful transition. It's a common response seen in healthy newborns.
Correct Answer is B
Explanation
A. Determine fetal position by performing Leopold maneuvers:
Leopold maneuvers are used to determine the fetal position and presentation by palpating the mother's abdomen. While this information can be valuable, it's not the highest priority in a situation where there is significant vaginal bleeding.
B. Assess the fetal heart rate and client's contraction pattern:
This is the highest priority because it directly addresses the immediate concern. Monitoring the fetal heart rate and contraction pattern helps to assess the well-being of both the mother and the baby.
C. Confirm Rh and Coombs status for Rho(D) immunoglobulin administration:
While determining Rh status is important, it may not be the immediate priority in this situation. However, if there is a need for Rho(D) immunoglobulin administration, it should be addressed in a timely manner.
D. Perform sterile vaginal examination to determine dilatation:
Performing a sterile vaginal examination is an important aspect of assessing the progress of labor, but it may not be the highest priority when there is significant vaginal bleeding. The focus initially should be on assessing the fetal heart rate and contraction pattern.
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