When administering an intravenous (IV) medication to a client, the nurse understands that the ...

Correct Answer: 4
Rationale 1: Facilitated diffusion utilizes a membrane carrier protein to cross a concentration gradient.
Rationale 2: Active diffusion involves use of an energy source.
Rationale 3: Absorption is the first step of pharmacokinetics, in which a drug moves from the site of administration to the blood.
Rationale 4: The process of moving from an area of high concentration to low concentration is called simple diffusion or passive transport.
Global Rationale: The process of moving from an area of high concentration to low concentration is called simple diffusion or passive transport. Facilitated diffusion utilizes a membrane carrier protein to cross a concentration gradient. Active diffusion involves use of an energy source. Absorption is the first step of pharmacokinetics, in which a drug moves from the site of administration to the blood.