A nurse is preparing to administer chlorpromazine hydrochloride 40 mg IM to a client who has anorexia nervosa. Available is chlorpromazine hydrochloride injection 25 mg/mL. How many mL 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 ["1.6"]
Step-by-Step Calculation
Understanding the Problem
Desired dose: 40 mg of chlorpromazine hydrochloride
Available concentration: 25 mg/mL
Calculations
Calculate the volume to administer:
Volume (mL) = Desired dose (mg) / Concentration (mg/mL)
Volume = 40 mg / 25 mg/mL = 1.6 mL
The nurse should administer 1.6 mL of chlorpromazine hydrochloride.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["600"]
Explanation
The nurse should administer 600 mg of quetiapine extended release.
Step-by-Step Conversion
Understanding the Problem
We need to convert 0.6 grams (g) to milligrams (mg).
Conversion Factor
1 gram (g) = 1000 milligrams (mg)
Setting Up the Equation
0.6 g X (1000 mg / 1 g) = ? mg
Calculation
Multiply 0.6 by 1000:
0.6 X 1000 = 600 mg
The nurse should administer 600 mg of quetiapine extended release.
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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