As blood alcohol concentration (BAC) increases above 0.15%, the personAs blood alcohol concentration (BAC) increases above 0.15%, the personwould almost:. a) certain die. b) might begin to feel sleepy. c) could experience a blackout. d) might begin to feel relaxed.

C- The person would almost experience a black out

Explanation:

Blood alcohol concentration (BAC) measures the percentage of alcohol that in a person's  bloodstream after that person must have been drinking for a period.Factors  Affecting  BAC  apart from alcohol in the system includes Body size,  gender  , Physical condition,  Medications  taken etc .

As  BAC increases, the  level of alcohol-related impairment an individual will experience increases.

The  Calculation of  BAC is the amount of alcohol in the bloodstream  and measured in milligrams (mg) of alcohol per 100 milliliters (ml) of blood. It is usually expressed as a decimal eg 0.15

When a person has greater than 0.15%, it indicates that such has had more than 7 alcoholic drinks which will cause the person experience much less muscle control than normal, vomiting,loss of balance visual and auditory processing and most times would experience a black out.

Answer is C.could experience a blackout.

Refer below.

Explanation:

As blood alcohol concentration (BAC) increases above 0.15%, the personAs blood alcohol concentration (BAC) increases above 0.15%, the personwould almost:

Could experience a blackout.