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 B
Explanation
Choice A reason: Propranolol extended-release 80 mg PO daily is a standard prescription for hypertension and certain types of heart conditions. The dosage and frequency are within normal ranges, and the route of administration (PO, per os, or orally) is clear.
Choice B reason: Sertraline is typically prescribed at doses ranging from 50 to 200 mg daily for adults. A dose of 125 mg daily is not a standard increment for sertraline tablets, which come in 25 mg, 50 mg, and 100 mg strengths. Therefore, the nurse should clarify this prescription to ensure proper dosing and to confirm if the provider intends for the patient to take a combination of tablets to achieve this dose.
Choice C reason: Pantoprazole 40 mg PO BID (twice a day) is a common prescription for conditions like GERD or erosive esophagitis. The dosage, frequency, and route are appropriate and do not require clarificationâ¶.
Choice D reason: Clonidine transdermal 0.1 mg/24h applied every 7 days is a typical prescription for managing hypertension. The patch provides a continuous dose over a week, which is a standard practice for this form of medication.
Correct Answer is ["1.5"]
Explanation
-Step 1: Define the amount of diazepam to be administered and the concentration of the available diazepam injection. We know that the diazepam dose is 7.5 mg and the diazepam concentration is 5 mg/mL.
-Step 2: Calculate the volume of diazepam injection to be administered. The calculation is 7.5 mg (diazepam dose) ÷ 5 mg/mL (diazepam concentration) = 1.5 mL.
-Step 3: Round the result to the nearest tenth. The rounded result is 1.5 mL.
The nurse should administer 1.5 mL of diazepam injection.
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