A client receives a prescription for hydrocortisone sodium succinate 150 mg intravenously STAT. The powdered medication needs to be reconstituted with 2 mL of bacteriostatic water that will provide a solution of 250 mg/mL. How many mL should the nurse administer?
(Enter numerical value only.)
The Correct Answer is ["1.2"]
- Calculate the amount of solution needed to provide 150 mg of hydrocortisone sodium succinate
- Use the formula: D/H x Q = X, where D is the desired dose, H is the dose on hand, Q is the quantity on hand, and X is the amount to administer
- Plug in the values: 150/250 x 2 = 1.2
- Round to the nearest tenth: 1.2 mL
- Administer 1.2 mL of the reconstituted solution intravenously STAT
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2.4"]
Explanation
- To find the volume of cefazolin to administer, we need to use the formula: Volume = Dose / Concentration
- First, we need to find the concentration of cefazolin after reconstitution. The label says that 1 gram of cefazolin is dissolved in 3 mL of water. To get the concentration in mg/mL, we need to multiply both the numerator and denominator by 1000: (1000 mg / 1 g) x (1 g / 3 mL) = 1000 mg / 3 mL
- Next, we need to simplify the fraction by dividing both the numerator and denominator by the greatest common factor, which is 3: (1000 mg / 3) / (3 mL / 3) = 333.33 mg/mL
- Now, we have the concentration of cefazolin in mg/mL. We can plug in the given dose of 800 mg into the formula: Volume = 800 mg / 333.33 mg/mL - Finally, we need to solve for the volume by dividing both sides by 333.33: Volume / 333.33 = (800 mg / 333.33 mg/mL) / 333.33
- The answer is 2.4 mL (rounded to the nearest tenth)
Correct Answer is ["45"]
Explanation
- Calculate the hourly volume in mL: 45 mL/hour
- Convert the hourly volume to minute volume: 45 mL/hour ÷ 60 minutes/hour = 0.75 mL/minute
- Multiply the minute volume by the drop factor: 0.75 mL/minute x 60 microdrops/mL = 45 microdrops/minute
- The nurse should regulate the infusion at 45 microdrops/minute
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