An Action Potential in a Neuron Begins When

question 84

Multiple Choice

An action potential in a neuron begins when

• A) a threshold potential is reached.
• B) the resting potential is established.
• C) gated sodium channels close.
• D) when gated potassium channels close.
• E) more than one of these occur.

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Definitions:

Strike Price

The pre-determined price at which the holder of an option can buy (in the case of a call option) or sell (in case of a put option) the underlying asset.

Market Price

The prevailing selling or buying price of a service or asset in the market.

Break-Even Price

The price at which total revenues equal total costs, and the business or investor neither makes a profit nor incurs a loss.

Put

An option contract giving the owner the right, but not the obligation, to sell a specified amount of an underlying security at a specified price within a specified time.