As We Age, Neurons Are Gradually Lost, the Brain Becomes

question 56

Multiple Choice

As we age, neurons are gradually lost, the brain becomes smaller, and information is processed more slowing. For some, this brain atrophy leads to ____.

• A) enlarged ventricles
• B) depression
• C) anxiety
• D) declining memory

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Definitions:

Acidic

Having a pH less than 7, indicating the presence of a higher concentration of hydrogen ions (H+) in solution.

Hydrophobic

Characterized by a tendency to repel water; substances that do not mix with water.

Buffered

A solution's capacity to resist changes in pH when acids or bases are added.

Polar Solvents

Substances that have a partial positive and partial negative charge, making them effective at dissolving ionic and other polar substances.