A nurse is preparing administer amitriptyline 75 mg PO to a client who has depression. Available Is amitriptyline 150 mg tablets. How many tablets 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 ["0.5"]
Identify the Desired Dose and Available Concentration:
Desired Dose: 75 mg of amitriptyline
Available Concentration: 150 mg per tablet
Set up the Calculation:
We need to find out how many tablets contain the desired dose of 75 mg.
We can use the following formula:
Number of Tablets = Desired Dose (mg) / Available Dose per Tablet (mg)
Plug in the Values and Calculate:
Number of Tablets = 75 mg / 150 mg/tablet
Number of Tablets = 0.5 tablets
Round to the Nearest Tenth :
0.5 tablets
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
Identify the Desired Dose and Available Concentration:
Desired Dose: 2 mg of benztropine mesylate
Available Concentration: 1 mg/mL (This means there is 1 mg of benztropine mesylate in every 1 mL of solution)
Set up the Calculation:
We need to find the volume (in mL) that contains the desired dose of 2 mg.
We can use the following formula:
Volume (mL) = Desired Dose (mg) / Available Concentration (mg/mL)
Plug in the Values and Calculate:
Volume (mL) = 2 mg / 1 mg/mL
Volume (mL) = 2 mL
Round to the Nearest Whole Number :
2 mL
Correct Answer is ["2"]
Explanation
Calculate the Individual Dose:
The total daily dose is 300 mg.
This is divided equally every 8 hours.
There are 24 hours in a day, so there are 24 hours / 8 hours = 3 doses per day.
Individual dose: 300 mg / 3 doses = 100 mg per dose
Determine the Number of Tablets per Dose:
The available medication is in 50 mg tablets.
The individual dose is 100 mg.
Number of tablets: 100 mg / 50 mg/tablet = 2 tablets
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