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 ["0.5"]
Explanation
To calculate the volume of naloxone to administer, we can use the following formula:
Volume (mL) = Desired dose (mg) / Concentration (mg/mL)
In this case:
Desired dose = 0.2 mg
Concentration = 0.4 mg/mL
Plugging these values into the formula, we get:
Volume (mL) = 0.2 mg / 0.4 mg/mL = 0.5 mL
Therefore, the nurse should administer 0.5 mL of naloxone.
Correct Answer is ["1.5"]
Explanation
Step-by-Step Calculation
Understanding the Problem
Desired dose: 75 mg hydroxyzine hydrochloride
Available concentration: 50 mg/mL
We need to find the volume to administer.
Calculations
Calculate the volume to administer:
Volume (mL) = Desired dose (mg) / Concentration (mg/mL)
Volume = 75 mg / 50 mg/mL = 1.5 mL
The nurse should administer 1.5 mL of hydroxyzine hydrochloride.
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