A nurse is preparing to administer risperidone 5 mg PO every 12 hr to a client who has schizophrenia. Available is risperidone solution 1 mg/mL. What is the total daily dose in mL the nurse should administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["3"]
Calculate the dose per administration in mL:
The doctor has ordered 1.5 mg of risperidone.
The available risperidone solution is 1 mg/mL.
We can use the following formula: (Desired dose) / (Concentration) = Volume
(1.5 mg) / (1 mg/mL) = 1.5 mL per dose.
Calculate the total daily dose in mL:
The medication is administered every 12 hours.
There are 24 hours in a day, so there are 24 hours / 12 hours = 2 doses per day.
Therefore, the total daily dose is 1.5 mL/dose x 2 doses/day = 3 mL.
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Related Questions
Correct Answer is ["2"]
Explanation
Identify the desired dose:
The doctor has ordered 30 mg of aripiprazole.
Identify the available tablet strength:
Each tablet contains 15 mg of aripiprazole.
Set up the calculation:
We need to find out how many tablets are needed to administer 30 mg of the medication. We can use the following formula:
(Desired dose) / (Tablet strength) = Number of tablets
Plug in the values and calculate:
(30 mg) / (15 mg/tablet) = 2 tablets
Correct Answer is ["2"]
Explanation
Calculate the dose per administration:
The total daily dose is 300 mg, divided equally every 12 hours.
There are 24 hours in a day, so there are 24 hours / 12 hours = 2 doses per day.
Each dose is 300 mg / 2 doses = 150 mg.
Calculate the number of tablets per dose:
Each tablet contains 75 mg of amitriptyline.
The required dose is 150 mg.
150 mg / 75 mg per tablet = 2 tablets per dose
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