A nurse is preparing to administer sertraline 0.05 g PO to a school-age child who has obsessive-compulsive disorder. Available is sertraline oral solution20 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2.5"]
Step 1: Convert the dose from grams to milligrams. We know that 1 gram = 1000 milligrams. So, 0.05 grams = 0.05 × 1000 = 50 milligrams.
Step 2: Calculate the volume of the solution to administer. The formula is Dose (mg) ÷ Concentration (mg/mL) = Volume (mL). So, 50 mg ÷ 20 mg/mL = 2.5 mL.
The nurse should administer 2.5 mL of sertraline oral solution.
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Related Questions
Correct Answer is ["3"]
Explanation
Step 1: Calculate the total daily dose in mg
The prescribed dose is1.5 mg every 12 hours. Since there are 24 hours in a day, the total daily dose in mg is1.5 mg × 2 = 3 mg.
Step 2: Calculate the total daily dose in mL
The available risperidone solution is1 mg/mL. So, to find out the total daily dose in mL, we divide the total daily dose in mg by the concentration of the solution. That is,3 mg ÷ 1 mg/mL = 3 mL.
The total daily dose in mL the nurse should administer is 3 mL. This is rounded to the nearest whole number as per your instructions.
Correct Answer is ["2.8"]
Explanation
Step 1: The dose to be administered is9 mg of aripiprazole.
Step 2: The available aripiprazole injection has a concentration of9.75 mg/3 mL. This means that for every 3 mL of the solution, there are 9.75 mg of aripiprazole.
Step 3: To find out how many mL should be administered, we divide the dose by the concentration. So, 9 mg ÷ (9.75 mg/3 mL) = 2.769230769230769 mL.
Step 4: Round the answer to the nearest tenth. So, 2.769230769230769 mL rounds to2.8 mL.
The nurse should administer 2.8 mL of aripiprazole injection.
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