A nurse is caring for an adolescent who has schizophrenia and a new prescription for quetiapine 0.7 g PO daily, divided into two equal doses. Available are quetiapine 100 mg tablets. How many tablets should the nurse administer in each dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["3.5"]
Step 1: Convert the dose from grams to milligrams. We know that 1 gram = 1000 milligrams. So, 0.7 grams = 0.7 × 1000 = 700 milligrams.
Step 2: The total daily dose is divided equally into two doses, so each dose is half of the total daily dose. So, 700 mg ÷ 2 = 350 mg per dose.
Step 3: The available quetiapine tablets have a concentration of 100 mg/tablet. This means that for every 1 tablet, there are 100 mg of quetiapine.
Step 4: To find out how many tablets should be administered per dose, we divide the dose by the concentration. So, 350 mg ÷ 100 mg/tablet = 3.5 tablets.
Step 5: Round the answer to the nearest tenth. So, 3.5 tablets rounds to3.5 tablets.
The nurse should administer3.5 tablets of quetiapine in each dose.
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Related Questions
Correct Answer is ["0.5"]
Explanation
The nurse needs to administer 50 mg of amitriptyline and each tablet contains 100 mg.
Step 1 is: Calculate the number of tablets by dividing the required dose by the dose available per tablet.
So, 50 mg (required dose) ÷ 100 mg/tablet (dose per tablet)
Step 2 is: Perform the division.
This gives us 0.5 tablets.
Step 3 is: Round the answer to the nearest tenth as instructed.
So, 0.5 rounded to the nearest tenth is 0.5.
Correct Answer is ["12.5"]
Explanation
Step 1: The dose to be administered is75 mg of valproic acid.
Step 2: The available valproic acid syrup has a concentration of30 mg/5 mL. This means that for every 5 mL of the solution, there are 30 mg of valproic acid.
Step 3: To find out how many mL should be administered, we divide the dose by the concentration. So, 75 mg ÷ (30 mg/5 mL) = 12.5 mL.
The nurse should administer 12.5 mL of valproic acid syrup.
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