Question

Using a vial of $5,000,000$ units of penicillin $\mathrm{G}$ sodium and normal saline as diluent, how would you obtain the required units of penicillin $\mathrm{G}$ sodium to compound the following prescription? $\mathrm{R}$ Penicillin G sodium $\quad 40,000$ units/ $\mathrm{mL}$ Normal saline ad $\quad 10 \mathrm{~mL}$ Sig. For IV injection.

   Using a vial of $5,000,000$ units of penicillin $\mathrm{G}$ sodium and normal saline as diluent, how would you obtain the required units of penicillin $\mathrm{G}$ sodium to compound the following prescription?
$\mathrm{R}$
Penicillin G sodium $\quad 40,000$ units/ $\mathrm{mL}$
Normal saline ad $\quad 10 \mathrm{~mL}$
Sig. For IV injection.

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Essential Math and Calculations for Pharmacy Technicians

Essential Math and Calculations for Pharmacy Technicians

Indra K. Reddy,… 1st Edition

Chapter 11, Problem 10

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Step 1

Given that the prescription requires 40,000 units per mL and a total volume of 10 mL, the total number of units needed can be calculated as: $40,000 \text{ units/mL} \times 10 \text{ mL} = 400,000$ units Show more…

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Using a vial of $5,000,000$ units of penicillin $\mathrm{G}$ sodium and normal saline as diluent, how would you obtain the required units of penicillin $\mathrm{G}$ sodium to compound the following prescription? $\mathrm{R}$ Penicillin G sodium $\quad 40,000$ units/ $\mathrm{mL}$ Normal saline ad $\quad 10 \mathrm{~mL}$ Sig. For IV injection.

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