πŸ“Š Biopharmaceutics and Pharmacokinetic
Q. What will be the best definition for “carrier”?
  • (A) Nonpolar drugs can be transported through carrier-mediated transport
  • (B) Carrier binds reversibly and no covalently with the molecules
  • (C) It discharges the molecules and gets destroyed itself
  • (D) The carrier is a protein
πŸ’¬ Discuss
βœ… Correct Answer: (B) Carrier binds reversibly and no covalently with the molecules
πŸ“Š Biopharmaceutics and Pharmacokinetic
Q. What is the driving force of Pore Transport?
  • (A) Hydrostatic pressure
  • (B) Concertation Gradient
  • (C) Electrochemical gradient
  • (D) Charge equilibration
πŸ’¬ Discuss
βœ… Correct Answer: (A) Hydrostatic pressure
πŸ“Š Biopharmaceutics and Pharmacokinetic
Q. Which kind of molecules cannot pass through a pore transport?
  • (A) Low Molecular weight molecules
  • (B) Water-soluble drugs
  • (C) Molecules up to 400 Dalton
  • (D) Molecules greater than 400 Dalton
πŸ’¬ Discuss
βœ… Correct Answer: (D) Molecules greater than 400 Dalton
πŸ“Š Biopharmaceutics and Pharmacokinetic
Q. What is the driving force for Passive Diffusion?
  • (A) Concentration gradient only
  • (B) Electrochemical gradient only
  • (C) Charge equilibration and concentration gradient
  • (D) Concentration and Electrochemical gradient both
πŸ’¬ Discuss
βœ… Correct Answer: (D) Concentration and Electrochemical gradient both
πŸ“Š Biopharmaceutics and Pharmacokinetic
Q. Which is the major process of absorption for more than 90% of drugs?
  • (A) Facilitated diffusion
  • (B) Active transport
  • (C) Endocytosis
  • (D) Passive diffusion
πŸ’¬ Discuss
βœ… Correct Answer: (D) Passive diffusion
πŸ“Š Biopharmaceutics and Pharmacokinetic
Q. In passive diffusion, the transport of drugs takes place from a region of ……………concentration to a ……………..concentration.
  • (A) Lower, Higher
  • (B) Higher, Lower
  • (C) Both (a) and (b)
  • (D) none of the above
πŸ’¬ Discuss
βœ… Correct Answer: (B) Higher, Lower
πŸ“Š Biopharmaceutics and Pharmacokinetic
Q. Based on Henderson-Hasselbalch equation, at what pH value a weak acid would be 99.9% ionized?
  • (A) At pH equivalent to pKa - 3
  • (B) At pH equivalent to pKa + 3
  • (C) At pH equivalent to pKa – 1
  • (D) At pH equivalent to pKa + 1
πŸ’¬ Discuss
βœ… Correct Answer: (B) At pH equivalent to pKa + 3
πŸ“Š Biopharmaceutics and Pharmacokinetic
Q. Which of the following process drug moves from site of administration to systemic circulation?
  • (A) excretion
  • (B) absorption
  • (C) distribution
  • (D) metabolism
πŸ’¬ Discuss
βœ… Correct Answer: (B) absorption
πŸ“Š Biopharmaceutics and Pharmacokinetic
Q. Which of the following is carrier mediated transport system
  • (A) passive diffusion
  • (B) active transport
  • (C) pore transport
  • (D) none of the above
πŸ’¬ Discuss
βœ… Correct Answer: (B) active transport