A Second Nerve Impulse Cannot Be Generated Until

question 23

Multiple Choice

A second nerve impulse cannot be generated until .

• A) the membrane potential has been reestablished
• B) all sodium gates are closed
• C) proteins have been resynthesized
• D) the Na ions have been pumped back into the cell

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Definitions:

Double Coincidence of Wants

A condition in barter economies where two parties each hold an item the other wants, making it possible for an exchange to occur without a common medium of exchange.

Barter Situation

A trade system where goods or services are exchanged directly for other goods or services without the use of money as a medium of exchange.

Commodities

Basic goods used in commerce that are interchangeable with other goods of the same type.

Standard of Value

A base for comparison that allows the determination of the economic value of goods and services.