Resource links online

Drug calculations - Ggeeky Medics

Drug Calculation Cases - Ggeeky Medics

Pharmaceutical Calculations Made Easy!

Drug Calculations: How to Use the Universal Formula

Drug Calculations - Flinders University

Pharmacy Calculations - StatPearls

Practice drug calculations

Drug Dosage Calculations - George Brown College

Volume of Distribution

Vd of drug C was determined to be 20 L. What would be the expected drug plasma concentration immediately after an IV dose of 2 mg is given to a 70 kg male patient?

A. 0.01 mirogram/dL

B. 1 mircrogram/ dL

C. 0.1 microgram/ dL

D. 10 microgram/ dL

Formula: Vd= dose/ Cp

Cp = Do/ Vd

Do = 2000ug

Vd = 20L = 200dL (10dL = 1L)

Cp = 2000/200 = 10 ug/dL

Answer: D. 10 microgram/ dL

Reference books

Pharmaceutical calculations-Howard C. Ansel Thirteenth Edition

Another Link

Introduction to Pharmaceutical Calculations - Rees, Smith, Watson