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 D
Explanation
A. Chromosomal abnormalities:
While an ultrasound can sometimes identify structural abnormalities, it's not the primary tool for detecting chromosomal abnormalities. Genetic testing or procedures like amniocentesis are more specific for this purpose.
B. Sex and size of the infant:
An ultrasound is indeed used to determine the sex of the baby and assess its size and growth.
C. Lecithin-sphingomyelin ratio:
The lecithin-sphingomyelin ratio is typically assessed in tests related to fetal lung maturity, which is not the primary purpose of a routine ultrasound.
D. Fetal growth and gestational age:
This is one of the primary purposes of a routine ultrasound during pregnancy. It helps evaluate the baby's growth and ensures it aligns with the expected gestational age.
Correct Answer is A
Explanation
A. Obtain blood and urine for prenatal screens.
This choice is important because it allows the nurse to assess the client's overall health, screen for infections, and identify any potential risks or complications that may impact the pregnancy.
B. Explain common complications of pregnancy.
While educating the client about common complications is valuable, it may not address the immediate need to screen for specific infections or assess the client's current health status. This information can be covered during prenatal education sessions.
C. Obtain baseline blood pressure and weight.
This is a routine part of prenatal care and is important for monitoring the client's health throughout pregnancy. However, if the client has a history of syphilis, obtaining specific prenatal screens (including for syphilis) would be a more targeted and immediate action.
D. Schedule prenatal visits to occur monthly.
Scheduling regular prenatal visits is essential for monitoring the progression of the pregnancy. However, addressing the specific health concerns and obtaining necessary screens take precedence during the initial visit, especially considering the client's history of syphilis.
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