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What is the primary route of drug absorption in the gastrointestinal tract?

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Question: What is the primary route of drug absorption in the gastrointestinal tract?

Options:

  1. Passive diffusion
  2. Facilitated diffusion
  3. Active transport
  4. Endocytosis

Correct Answer: Passive diffusion

Solution:

Drugs are primarily absorbed in the gastrointestinal tract through passive diffusion, which allows for the movement of drugs from an area of higher concentration to an area of lower concentration.

What is the primary route of drug absorption in the gastrointestinal tract?

Practice Questions

Q1
What is the primary route of drug absorption in the gastrointestinal tract?
  1. Passive diffusion
  2. Facilitated diffusion
  3. Active transport
  4. Endocytosis

Questions & Step-by-Step Solutions

What is the primary route of drug absorption in the gastrointestinal tract?
  • Step 1: Understand that the gastrointestinal tract is the pathway food and drugs travel through in the body.
  • Step 2: Know that drugs need to enter the bloodstream to work, and this happens in the gastrointestinal tract.
  • Step 3: Learn about passive diffusion, which is a process where substances move from an area where they are more concentrated to an area where they are less concentrated.
  • Step 4: Realize that when a drug is taken, it often starts in a higher concentration in the stomach or intestines compared to the blood.
  • Step 5: Understand that because of passive diffusion, the drug moves into the blood where it is less concentrated.
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