A nurse is preparing to administer enoxaparin 75 mg subcutaneous once daily to an antepartum client who has a clotting disorder. Available is enoxaparin injection 100 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.75"]
To administer the correct dose of enoxaparin, which is 75 mg, when the available injection concentration is 100 mg/mL, the nurse needs to calculate the volume of enoxaparin to be administered. The calculation is based on the formula: Volume = Dose / Concentration. So, for a dose of 75 mg and a concentration of 100 mg/mL, the calculation would be 75 mg / 100 mg/mL = 0.75 mL.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.7"]
Explanation
To calculate the IV pump setting, first determine the total micrograms of dopamine needed per minute for the newborn: 5 mcg/kg/min * 4.4 kg = 22 mcg/min. Next, convert the available dopamine concentration to micrograms: 200 mg * 1000 mcg/mg = 200,000 mcg. Now, calculate how many micrograms are in each mL of the solution: 200,000 mcg / 250 mL = 800 mcg/mL. Then, determine how many mL are needed per minute to deliver the required 22 mcg/min: 22 mcg/min / 800 mcg/mL = 0.0275 mL/min. Finally, convert this to an hourly rate: 0.0275 mL/min * 60 min/hr = 1.65 mL/hr. Rounded to the nearest tenth, the IV pump should be set to deliver 1.7 mL/hr.
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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