1. Foundational Sciences
Pharmacokinetics Basics — Quiz
Test your understanding of pharmacokinetics basics with 5 practice questions.
Practice Questions
Question 1
Which transporter protein in intestinal epithelial cells actively pumps certain drugs back into the lumen, reducing their oral bioavailability?
Question 2
Which physicochemical property most strongly enhances a drug’s ability to passively diffuse across cell membranes?
Question 3
A drug administered as an IV bolus at 100 mg instantly distributes into a volume of distribution of 20 L. What is the initial plasma concentration (C₀)?
Question 4
A drug following first-order elimination decreases from 80 mg/L to 20 mg/L over 4 hours. What is its elimination half-life?
Question 5
If a drug has a volume of distribution of 30 L and an elimination rate constant ($k$) of 0.1 h⁻¹, what is its total clearance (Cl)?