If a Drug Was Present in the Bloodstream but Unable

question 47

Multiple Choice

If a drug was present in the bloodstream but unable to cross the blood-brain barrier,then one could conclude:

• A) that nonspecific binding occurred.
• B) the drug could enter the brain using active transport mechanisms.
• C) the drug's pKa had matched the pH of the physiological medium it was administered in.
• D) the drug was not small, non-charged or lipid soluble.

---

Definitions:

Server

A computer system or software that provides services, data, or access to other computers (clients) over a network.

Workstation

A high-performance computer designed for technical or scientific applications, often used in a professional context.

Operating System

The core software that manages computer hardware and software resources, providing common services for computer programs.

Internet

A vast network of computers worldwide that allows for data exchange, communication, and access to web resources and services.