Substances Most Likely to Pass Across the Blood-Brain Barrier Have

question 29

Multiple Choice

Substances most likely to pass across the blood-brain barrier have what characteristics?

• A) Low pH compared with body fluids
• B) Lipid solubility
• C) Large particle size
• D) A close relation to toxic metabolites

---

Definitions:

Post-Natal

Pertaining to the period immediately following birth.

Respiratory Systems

The organs and structures that allow an organism to breathe and exchange oxygen and carbon dioxide throughout the body.

Brain Cells

Cells located in the brain, including neurons and glial cells, responsible for processing and transmitting information.

Digestive Systems

A complex series of organs and glands responsible for the ingestion, breakdown, absorption, and processing of food and nutrients.