A nurse is caring for a client who is postpartum and is experiencing nausea. The nurse plans to administer promethazine 12.5mg PO. Available is promethazine 25mg tablets. How many tablets should the nurse plan to administer? Round the answer to the nearest tenth. Use a leading zero. Do not use a trailing zero.
The Correct Answer is ["0.5"]
Given:
Prescribed dose: 12.5 mg of promethazine
Available tablets: 25 mg tablets
Steps to solve:
Determine the number of tablets per dose:
Find how many 25 mg tablets are needed to make 12.5 mg of promethazine.
Set up a proportion to solve for the unknown number of tablets (X):
25 mg/tablet = 12.5 mg/X tablets
Cross-multiplying gives us:
25 mg x X tablets = 12.5 mg x 1 tablet
Simplifying:
25X = 12.5
Solving for X:
X = 12.5 / 25 = 0.5 tablets
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2500"]
Explanation
The problem: Administer 2.5 L of lactated Ringer's solution.
1 liter (L) = 1000 milliliters (mL).
To convert 2.5 L to mL, we multiply:
2.5 L x 1000 mL/L = 2500 mL
Correct Answer is B
Explanation
A) Offer the medication now to prevent saturation of the perineal pad: The prescription specifies administering oxytocin only if the client saturates the perineal pad within 15 minutes. Offering the medication proactively without evidence of excessive bleeding would not be appropriate. Oxytocin should be given in response to the situation described in the prescription, not as a preventive measure.
B) Administer the medication once if the client saturates the perineal pad within 15 min: This is the correct interpretation of the prescription. The prescription clearly states that oxytocin 10 units IM is to be given once if the perineal pad is saturated within 15 minutes. The medication is prescribed to control postpartum bleeding, and the nurse should administer it only if there is evidence of excessive bleeding, as indicated by the saturated pad.
C) Give the medication each time the client saturates the perineal pad within 15 min: The prescription only calls for a single dose of oxytocin 10 units IM, not repeated doses. The nurse should administer the medication only once if the perineal pad is saturated in 15 minutes, not repeatedly every time this occurs.
D) Wait 15 min to administer the medication after the client saturates a perineal pad: There is no instruction in the prescription to delay administration for 15 minutes after the perineal pad is saturated. The prescription specifies that the medication should be administered if the pad is saturated within 15 minutes, so waiting would be inappropriate
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