The patient is ordered Compazine 25 mg supp pr q6h prn nausea. If the patient received the last dose at 0600, when can she receive her next dose?
6:00p.m.
12:00 noon
3:00 pm
9:00 am.
The Correct Answer is B
A. 6:00 p.m.: This time is 12 hours after the last dose was administered. The medication order specifies a frequency of "q6h," which means the medication can be given every six hours. A twelve-hour interval is twice as long as the prescribed time.
B. 12:00 noon: To determine the next possible dose time, you must add 6 hours to the time of the last dose. The last dose was given at 0600 (6:00 a.m.), and adding 6 hours results in 1200 (12:00 noon) as the earliest possible time for the next dose.
C. 3:00 p.m.: This time is 9 hours after the last dose was administered. The prescribed frequency of "q6h" indicates that the medication can be given at an interval of 6 hours. Waiting 9 hours would not be in compliance with the medication order.
D. 9:00 a.m.: This time is only 3 hours after the last dose was administered. The medication order of "q6h" requires a minimum of 6 hours to pass between doses. Administering the medication at 9:00 a.m. would violate the prescribed frequency.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1008"]
Explanation
Calculation:
Given values:
Flow rate = 21 gtt/min
Infusion time = 8 hours
Drop factor = 10 gtt/mL
- Convert the infusion time from hours to minutes.
Infusion time in minutes = 8 hours × 60 minutes/hour
= 480 minutes.
- Calculate the total volume in milliliters (mL).
Total Volume (mL) = (Flow rate (gtt/min) × Time (min)) / Drop factor (gtt/mL)
= (21 gtt/min × 480 min) / 10 gtt/mL
= 10080 / 10
= 1008 mL.
Correct Answer is D
Explanation
A. Dispense either a chewable tablet or liquid form of the medication: Even though alternatives exist, dispensing a different form without prescriber authorization may lead to dosing inconsistencies or legal concerns. Proper protocol requires confirmation.
B. Dispense the medication as written, breaking the tablets prior to dispensing them: Splitting a 500 mg tablet into quarters may not ensure accurate dosing, especially in a child. Tablets may not split evenly, and not all are scored or safe to divide.
C. Dispense the medication as written, instructing the parent to break the tablets into four pieces: This puts responsibility on the caregiver to split tablets into exact quarters, which can lead to dosing errors. It is unsafe and inappropriate for pediatric medication.
D. Consult with the pharmacist or authorized prescriber before changing the form of the medication: The safest and most appropriate action is to confirm any modifications to a prescription. For pediatric patients, ensuring accurate dosage form and administration requires provider consultation.
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