California Driver License (DMV) Written Practice Test

How much alcohol must be in a driver's blood in order for them to be charged with driving while under the influence?

0.05% 0.07% 0.08% 0.09%

Correct Answer:

0.08%

Explanation:

A driver can be charged with driving while under the influence if their blood alcohol level is at or above 0.08%. This is the legal limit for intoxication in most states. B, D and A are incorrect options as they all contain blood alcohol levels below the legal limit. While 0.07% and 0.09% may still result in impairment, they do not meet the specific threshold set by law for a DUI charge. 0.05% is even further below the legal limit and would not likely result in impairment.

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