A nurse is preparing to administer hydroxyzine hydrochloride 75 mg IM to a client who has anxiety. Available is hydroxyzine hydrochloride injection 50 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 ["1.5"]
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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
Correct Answer is A
Explanation
A. Sertraline 125 mg daily:
Sertraline, a selective serotonin reuptake inhibitor (SSRI), is typically started at doses such as 50 mg or 100 mg daily for depression or anxiety, with adjustments based on response and tolerability. A dose of 125 mg daily is unusual and not a standard dose, so clarification is needed to ensure it is appropriate for the client and within the recommended dosing range.
B. Pantoprazole 40 mg PO BID:
Pantoprazole, a proton pump inhibitor, is commonly prescribed at 40 mg twice daily (BID) for conditions such as severe gastroesophageal reflux disease (GERD). This dosing is within the usual range for treating more severe acid-related conditions.
C. Propranolol extended release 80 mg PO daily:
Propranolol extended release 80 mg daily is a standard dose for managing conditions such as hypertension or anxiety. This dosage is appropriate and does not require clarification.
D. Clonidine transdermal 0.1 mg/24 hr apply every 7 days:
Clonidine transdermal patches are typically applied every 7 days, with doses of 0.1 mg/24 hr being a standard starting dose. This prescription aligns with common dosing guidelines and does not need clarification.
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