Which factor has the greatest negative impact on the use of laboratory serum alcohol re-sults in determining legal intoxication?
a. The variable time it takes to metabolize alcohol in the body
b. States differs greatly in their definitions of legal intoxication
c. Legal issues with securing consent for the test from an impaired patient
d. The relatively short period of time alcohol can be detected in the blood
ANS: D
The major disadvantage of blood alcohol testing is the narrow window of time for the detec-tion of drugs in the blood stream. Although the variability of individual metabolism rates may be considered a factor, they are stable enough to allow for testing timetables. The legal issues related to consent and the definition of legal intoxication limits does not impact the reliability of the test itself to determine intoxication.
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