TABLE 4-1
Mothers Against Drunk Driving Is a Very Visible

question 140

Multiple Choice

TABLE 4-1
Mothers Against Drunk Driving is a very visible group whose main focus is to educate the public about the harm caused by drunk drivers. A study was recently done that emphasized the problem we all face with drinking and driving. Four hundred accidents that occurred on a Saturday night were analyzed. Two items noted were the number of vehicles involved and whether alcohol played a role in the accident. The numbers are shown below:
$$\begin{array}{l}\text { Number of Vehicles Involved }\\\begin{array} { l c c c c c } { \text { Did alcohol playa role? } } & 1 & 2 & 3 & \text { Totals } \\\hline \text { Yes } & 50 & 100 & 20 & 170 \\\hline \text { No } & 25 & 175 & 30 & 230 \\\text { Totals } & 75 & 275 & 50 & 400 \\\hline\end{array}\end{array}$$
-Referring to Table 4-1, given that multiple vehicles were involved, what proportion of accidents involved alcohol?

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Definitions:

Anterior Pituitary

A glandular part of the pituitary gland responsible for producing and releasing hormones that regulate various bodily functions.

Anterior Pituitary Gland

A major endocrine gland located at the base of the brain, responsible for producing and releasing hormones that regulate many key physiological processes.

Hypothalamus

A region of the brain that regulates many bodily functions, including temperature control, hunger, thirst, emotional behavior, and the circadian rhythm.

Second Messenger

Intracellular signaling molecules released by the cell in response to exposure to extracellular signaling molecules.