Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
Section: Chapter Questions
Problem 1SRQ
Related questions
Question
Order: potassium chloride 30 mEq PO daily
Pharmacy Supply: 20 mEq/15mL
How much will you give your patient?
Expert Solution
Step 1: calculate how much potassium chloride is in 1 mL
To provide your patient with 30 mEq of potassium chloride per day using a pharmacy supply of 20 mEq per 15 mL, you would need to calculate the appropriate dosage.
First, calculate how much potassium chloride is in 1 mL of the pharmacy supply:
20 mEq / 15 mL = 4/3 mEq per 1 mL
Now, to provide 30 mEq, you can set up a proportion:
4/3 mEq (per 1 mL) = 30 mEq (unknown amount)
Cross-multiply:
4/3 = 30/y
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