A nurse is preparing to administer ondansetron 4 mg IM to a client who reports nausea following a cesarean birth. Available is ondansetron injection 2 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 ["2"]
To administer the correct dose of ondansetron, which is 4 mg intramuscularly, the nurse needs to calculate the volume of ondansetron injection required based on the concentration provided. The available ondansetron injection has a concentration of 2 mg/mL. To find the volume needed to deliver 4 mg, the nurse should divide the ordered dose by the concentration of the drug: 4 mg divided by 2 mg/mL equals 2 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["25"]
Explanation
To calculate the IV pump setting, you need to determine how many milliliters per hour will provide 1 gram of magnesium sulfate. With 40 grams of magnesium sulfate in 1000 mL, you have a concentration of 0.04 grams per mL. To administer 1 gram per hour, divide the desired dose (1 gram) by the concentration (0.04 grams/mL), which equals 25 mL. Therefore, the nurse should set the IV pump to deliver 25 mL per hour.
Correct Answer is C
Explanation
A. Feeling of vaginal fullness is not an expected therapeutic effect of IV oxytocin; it suggests possible bladder distension.
B. Saturating a perineal pad in 1 hour could indicate excessive bleeding, not a therapeutic effect of oxytocin.
C. A firm and midline fundus is the expected therapeutic effect of oxytocin, indicating proper uterine contraction and prevention of postpartum hemorrhage.
D. Lengthening of the umbilical cord is not an expected therapeutic effect of oxytocin; it is unrelated to the medication's action on uterine contraction.
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