A Question-And-Answer Period After a Speech ___________________

question 72

Multiple Choice

A question-and-answer period after a speech ___________________

• A)is usually unnecessary.
• B)is helpful only if the purpose of the speech is to motivate or entertain.
• C)is one of the most important parts of any presentation.
• D)is included only for small audiences.

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Definitions:

Absolute Refractory Period

A period immediately following an action potential during which a neuron is incapable of generating another action potential, no matter the stimulus strength.

Stimulation

The act of applying a stimulus to generate a response in an organ or tissue.

Plasma Membrane

A semi-permeable membrane found in cells that separates the interior of the cell from its external environment and regulates the movement of substances in and out of the cell.

Depolarization

The reduction of a cell's membrane potential, making it more positive, and initiating action potentials.