Question

A patient receives $10 \mathrm{~mL}$ of heparin every 3 hours. If there are 90 units in each $\mathrm{mL}$, how many units does the patient receive in $24 \mathrm{hrs}$ ?

   A patient receives $10 \mathrm{~mL}$ of heparin every 3 hours. If there are 90 units in each $\mathrm{mL}$, how many units does the patient receive in $24 \mathrm{hrs}$ ?
Essential Math and Calculations for Pharmacy Technicians
Essential Math and Calculations for Pharmacy Technicians
Indra K. Reddy,… 1st Edition
Chapter 15, Problem 46 ↓

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Since the patient receives $10 \mathrm{~mL}$ of heparin and there are 90 units in each $\mathrm{mL}$, the patient receives $10 \mathrm{~mL} \times 90 \mathrm{~units/mL} = 900 \mathrm{~units}$ in one dose.  Show more…

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A patient receives $10 \mathrm{~mL}$ of heparin every 3 hours. If there are 90 units in each $\mathrm{mL}$, how many units does the patient receive in $24 \mathrm{hrs}$ ?
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Key Concepts

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Rate Calculation
Rate calculation involves using a given rate (such as a fixed amount of medication per time interval) to compute a total over a longer period. It requires multiplying the rate by the relevant factor that converts a single unit of time into the total time interval.
Dimensional Analysis
Dimensional analysis is a method used to confirm that units in a calculation properly cancel or combine to produce the desired unit. It helps in verifying that the setup and computation of a problem involving multiple units, such as volume and concentration, are logically consistent.
Unit Conversion
This concept involves transforming measurements from one unit to another using a conversion factor. It is essential in ensuring that calculations remain consistent and accurate, especially when dealing with different units in medical dosages or scientific measurements.
Dosage Calculation
Dosage calculation refers to determining the proper amount of a medication to be administered based on concentration and time. It requires multiplying the volume per administration by the concentration of the medication and then scaling that to match the required time period.

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