📊 Biopharmaceutics and Pharmacokinetic
Q. The main mechanism of most drugs absorption in GI tract is:
  • (A) Active transport (carrier-mediated diffusion)
  • (B) Filtration (aqueous diffusion)
  • (C) Endocytosis and exocytosis
  • (D) Passive diffusion (lipid diffusion)
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✅ Correct Answer: (D) Passive diffusion (lipid diffusion)

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