A nurse is preparing to administer phenelzine 90 mg PO divided in three equal doses daily to a client who has depression. Available is phenelzine 15 mg tablets. How many tablets should the nurse administer per day? (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 ["6"]
Step-by-Step Calculation
Understanding the Problem
Total daily dose of phenelzine: 90 mg
Divided into 3 equal doses
Strength of each tablet: 15 mg
We need to find the total number of tablets per day.
Calculations
Calculate the dose per administration:
Dose per administration = Total daily dose / Number of doses
Dose per administration = 90 mg / 3 = 30 mg
Calculate the number of tablets per dose:
Tablets per dose = Dose per administration / Tablet strength
Tablets per dose = 30 mg / 15 mg/tablet = 2 tablets
The nurse should administer 2 tablets per day.
Since the client will receive 2 tablets per dose and will take 3 doses per day, the total number of tablets for the day is:
2 tablets/dose × 3 doses/day = 6 tablets/day
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Related Questions
Correct Answer is ["3"]
Explanation
The nurse should administer 3 mL of benztropine mesylate.
Step-by-Step Calculation
Understanding the Problem
Desired dose: 3 mg benztropine mesylate
Available concentration: 1 mg/mL benztropine mesylate
Setting Up the Equation
We can use the following formula:
Desired dose (mg) = Concentration (mg/mL) X Volume (mL)
We need to find the volume (mL).
Calculating the Volume
3 mg = 1 mg/mL X Volume (mL)
To isolate Volume, we divide both sides by 1 mg/mL:
Volume (mL) = 3 mg / (1 mg/mL)
Volume (mL) = 3 mL
The nurse should administer 3 mL of benztropine mesylate.
Correct Answer is ["2"]
Explanation
Answer
The nurse should administer 2 tablets in each dose
Step-by-Step Calculation
Understanding the Problem
Total daily amitriptyline dose: 300 mg
Divided into 2 equal doses (every 12 hours)
Available amitriptyline tablets: 75 mg each
We need to find the number of tablets per dose.
Calculations
Calculate the dose per administration:
Dose per administration = Total daily dose / Number of doses
Dose per administration = 300 mg / 2 = 150 mg
Calculate the number of tablets per dose:
Tablets per dose = Dose per administration / Tablet strength
Tablets per dose = 150 mg / 75 mg/tablet = 2 tablets
The nurse should administer 2 tablets in each dose
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