A Man Narrowly Misses Another Car While Driving Through a Busy

question 33

Multiple Choice

A man narrowly misses another car while driving through a busy intersection. His sympathetic nervous system is activated; his heart pounds and his breathing is rapid. As he calms down, his heart rate and breathing return to normal. Which neurotransmitter is in charge now that the excitement is over and he is calmed down?

• A)Norepinephrine
• B)Acetylcholine
• C)Prostaglandin
• D)Serotonin

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Definitions:

Uniformly Distributed

A distribution where all outcomes are equally likely across the range of the distribution.

Random Variable

A variable whose possible values are outcomes of a statistical experiment and which can vary randomly.

Probability

The measure of the likelihood that an event will occur, expressed as a number between 0 (impossible) and 1 (certain).

Poisson Probability

A distribution used to predict the probability of a given number of events happening in a fixed interval of time or space, given a constant mean rate of occurrence.