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

question 72

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:

-Referring to Table 4-1, given alcohol was involved, what proportion of accidents involved a single vehicle?

• A) 50/75 or 66.67%
• B) 50/170 or 29.41%
• C) 120/170 or 70.59%
• D) 120/400 or 30%

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Normal Blood pH

The typical pH range of human blood, which is tightly regulated to stay between 7.35 and 7.45.

Blood pH

The measure of acidity or alkalinity of the blood, normally maintained within a tightly regulated range of about 7.35 to 7.45.

pH Range

A scale that measures how acidic or basic a substance is, ranging from 0 (most acidic) to 14 (most basic).