A Multiple Choice Quiz Consists of 7 Questions, Each with 3

question 48

Multiple Choice

A multiple choice quiz consists of 7 questions, each with 3 possible answers. If a student guesses at the answer to each question, then the mean number of correct answers is

• A) 7.00
• B) 2.33
• C) 3.00
• D) 10.00

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Definitions:

Threshold

The minimum level of stimulus intensity required to produce a response or result.

Excitatory Signals

Nerve impulses that increase the likelihood of a neuron firing, promoting the transmission of signals through the nervous system.

Refractory Period

In physiological context, a period immediately following stimulation during which a nerve or muscle is unresponsive to further stimulation.

Neuron

A cell of the nervous system that is specialized to transmit information throughout the body.