A nurse is preparing to administer amitriptyline 300 mg PO dally divided equally every 12 hr to a client who has post-traumatic stress disorder. Available is amitriptyline 75 mg tablets. How many tablets should the nurse administer in each dose? (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 ["2"]
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
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["300"]
Explanation
Understand the relationship between grams (g) and milligrams (mg):
1 gram (g) is equal to 1000 milligrams (mg).
Set up the conversion:
We need to convert 0.3 grams to milligrams. We can use the following formula:
(Grams) x (1000 mg/g) = Milligrams
Plug in the value and calculate:
(0.3 g) x (1000 mg/g) = 300 mg
Correct Answer is ["1"]
Explanation
Convert milligrams (mg) to micrograms (mcg):
The desired dose is 0.5 mg.
We know that 1 mg = 1000 mcg.
Therefore, 0.5 mg = 0.5 x 1000 mcg = 500 mcg.
Identify the available tablet strength:
Each tablet contains 500 mcg of haloperidol.
Set up the calculation:
We need to find out how many tablets are needed to administer 500 mcg of the medication. We can use the following formula:
(Desired dose) / (Tablet strength) = Number of tablets
Plug in the values and calculate:
(500 mcg) / (500 mcg/tablet) = 1 tablet
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