Which Drug Easily Passes into the Brain from the Bloodstream

question 74

Multiple Choice

Which drug easily passes into the brain from the bloodstream?

• A)alcohol
• B)cocaine
• C)barbiturates
• D)all of the above

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Definitions:

Hydrophobic

Describing molecules or parts of molecules that repel water, often nonpolar substances that do not mix well with water.

Hydrophilic

Describes molecules or substances that are attracted to water and can be dissolved in it, typically because of the presence of polar groups.

Phospholipids

A class of lipids that are a major component of all cell membranes, consisting of two fatty acids, a glycerol unit, and a phosphate group, playing key roles in cellular structures and functions.

Choline

An essential nutrient that is part of the B-complex vitamin family; it's crucial for liver function, brain development, muscle movement, and metabolism.