Which Statement Best Describes Why the Brain Requires an Uninterrupted

question 21

Multiple Choice

Which statement best describes why the brain requires an uninterrupted supply of blood?

• A)The CNS has very little glycogen to convert to glucose.
• B)The CNS has a limited ability to produce energy anaerobically.
• C)The CNS does not have access to fatty acids for energy, which increases their demand for glucose.
• D)The CNS has limited glycogen to convert to glucose, it does not have access to fatty acids for energy, and it has limited ability to produce energy anaerobically.
• E)The CNS has very little glycogen to convert to glucose and has limited ability to produce energy anaerobically.

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Definitions:

External Intercostal Muscles

Muscles located between the ribs that expand the chest cavity for inhalation by elevating the ribs.

Inhalation

The act of taking air into the lungs through the nose or mouth, essential for oxygenating the blood and removing carbon dioxide.

Respiratory System

The network of organs and tissues that help you breathe, including the lungs, airways, and muscles.

Amphibian's

Vertebrates that can live both in water (using gills) and on land (using lungs), including frogs, salamanders, and newts.