Use the Following to Answer Questions

question 118

Multiple Choice

Use the following to answer questions:
-(Table: The National Income Accounts) Use Table: National Income Accounts.The value of national savings is:

• A) $15.9 trillion.
• B) $4.9 trillion.
• C) $2.1 trillion.
• D) $1.6 trillion.

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Definitions:

Repolarization

The process of restoring the negative charge inside the cell membrane after a depolarization event.

Afterpotential

The change in membrane potential that follows the completion of an action potential in nerve cells.

Astrocytes

Star-shaped glial cells in the brain and spinal cord, involved in physical and nutritional support for neurons, and the repair and scarring process following central nervous system injury.

Blood-Brain Barrier

A selective semipermeable barrier formed by endothelial cells of the brain's capillaries that protects the brain from harmful substances and pathogens in the bloodstream.