Which of These Statements Does NOT Describe the Blood-Brain Barrier

question 76

Multiple Choice

Which of these statements does NOT describe the blood-brain barrier

• A)It controls the direct exchange of materials between the cerebrospinal fluid and brain.
• B)It is formed in part by the tight junctions in capillary cells of the brain.
• C)It consists of the astrocyte processes that encircle the brain capillaries.
• D)It is a barrier between the three layers of meninges.

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Definitions:

Metallic

Pertaining to elements that exhibit metallic properties, including luster, conductivity, and malleability.

Intermolecular

Pertaining to the forces or interactions that occur between molecules, affecting their physical properties and behaviors.

Electron Shells

Levels or orbits around the nucleus of an atom where electrons are likely to be found.

Protons

Positively charged particles found within an atom's nucleus.