A nurse is preparing to administer valproic acid 500 mg PO. Available is valproic acid oral solution 250 mg/5 mL. How many mL should the nurse administer?
(Round the answer to the nearest whole number.)
The Correct Answer is ["10"]
Step 1: Determine the Medication Concentration
- The total amount of medication in the solution is 250 mg.
- The total volume of the solution is 5 mL.
- To find the concentration per mL:
250 mg ÷ 5 mL = 50 mg/mL
Step 2: Determine the Required Volume
- The prescribed dose is 500 mg.
- To find the volume needed:
500 mg ÷ 50 mg/mL = 10 mL
Thus, the nurse should administer 10 mL of the solution to deliver the required 500 mg dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["10"]
Explanation
Step 1 is to calculate the amount of hydroxyzine HCL in each mL of the oral suspension. This is done by dividing the total amount of hydroxyzine HCL (25 mg) by the total volume (5 mL), which gives us 5 mg/mL. Step 2 is to calculate the volume of oral suspension that contains 50 mg of hydroxyzine HCL. This is done by dividing the prescribed dose (50 mg) by the concentration of the oral suspension (5 mg/mL). So, 50 mg ÷ 5 mg/mL = 10 mL.
So, the correct answer is 10 mL.
Correct Answer is ["6"]
Explanation
Step 1 is to calculate the volume of medication to administer. The formula is desired dose ÷ available dose × available volume. So, (300 mg ÷ 250 mg) × 5 mL = 6 mL.
So, the correct answer is 6 mL.
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