Biopharmaceutics [Course Exam Rationale 2026] With Questions And Answers Latest Update 2026

Biopharmaceutics [Course Exam
Rationale 2026] With Questions And
Answers Latest Update 2026

Which statement BEST defines bioavailability?
A. Fraction of drug absorbed regardless of route
B) Rate and extent at which the drug enters B. Rate and extent at which the drug enters
systemic circulation systemic circulation
C. Amount of drug reaching the receptor
D. Percentage of dose excreted unchanged

A drug given orally has an AUC of 120 μg·hr/mL,
while the same dose IV has an AUC of 200
μg·hr/mL. What is the absolute bioavailability?
C) 60% A. 40%
B. 50%
C. 60%
D. 80%

Which route of administration completely avoids
first-pass metabolism?
A. Oral
D) Intravenous
B. Upper Rectum
C. Sublingual
D. Intravenous

Which factor MOST significantly increases the
rate of passive diffusion of a drug across
membranes?
C) Increased lipid solubility A. Increased ionization
B. Increased particle size
C. Increased lipid solubility
D. Increased molecular weight

, Rate limiting step for absorption
A. Liberation
C) Dissolution B. Disintegration
C. Dissolution
D. Dosage form

D) Solution Which dosage form generally exhibits the
FASTEST drug absorption?