Question

1 matching 1 point
for each of the descriptions below, indicate which pharmacokinetic process it is associated with: absorption or distribution.
description\tprocess
the movement of a drug from its site of administration to the bloodstream\t
the movement of a drug in the circulation throughout the body\t
the movement of a drug into and between the tissues in the body\t
the movement of a drug from the gi tract to the bloodstream\t
the movement of a drug from the bloodstream to its molecular target\t
2 multiple choice 1 point

Explanation:

For the Matching Question (Pharmacokinetics, part of Medicine and Health - Natural Science discipline)

for each description:

1. "The movement of a drug from its site of administration to the bloodstream": Absorption is defined as the transfer of a drug from the site of administration to the systemic circulation (bloodstream). So this matches with absorption.
2. "The movement of a drug in the circulation throughout the body": Distribution involves the drug moving through the bloodstream to reach different parts of the body. So this is distribution.
3. "The movement of a drug into and between the tissues in the body": Distribution includes the movement of the drug from the bloodstream into tissues and between them. So this is distribution.
4. "The movement of a drug from the GI tract to the bloodstream": The GI tract is a common site of administration (e.g., oral drugs), and moving from there to the bloodstream is absorption. So this is absorption.
5. "The movement of a drug from the bloodstream to its molecular target": This is part of the distribution process as the drug is moving from the bloodstream (circulation) to the target tissue/cell (a tissue - related movement from the circulation). So this is distribution.

Answer:

s for the Matching:

• "The movement of a drug from its site of administration to the bloodstream" → Absorption
• "The movement of a drug in the circulation throughout the body" → Distribution
• "The movement of a drug into and between the tissues in the body" → Distribution
• "The movement of a drug from the GI tract to the bloodstream" → Absorption
• "The movement of a drug from the bloodstream to its molecular target" → Distribution