Which of the Following Best Describes the Function of the Blood-Brain

question 303

Multiple Choice

Which of the following best describes the function of the blood-brain barrier? It _______________.

• A)allows certain essential nutrients to enter the brain but keeps most foreign substances out
• B)prevents any substances from leaving the capillaries in the brain
• C)facilitates the effects of neurotransmitters in the brain
• D)reabsorbs neurotransmitters in order to terminate synaptic activity

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Definitions:

Federal Reserve

The Federal Reserve is the central banking system of the United States, responsible for monetary policy, regulating banks, maintaining financial stability, and providing financial services.

Double Coincidence of Wants

A situation in barter economies where two parties each hold an item the other wants, making it possible for them to exchange these items directly.

100-percent-reserve Banking

A banking system in which banks are required to keep 100% of their deposits available as reserves, thus eliminating the possibility of bank runs.

Money Supply

The collective sum of money assets in an economy at a certain timeframe.