Final answer:
A rapid increase in BAC can occur by consuming a large amount of alcohol quickly. Several factors influence BAC, and it's measured legally by devices like the Breathalyzer. Excessive alcohol consumption can have numerous harmful effects on the body.
Step-by-step explanation:
A rapid increase in Blood Alcohol Concentration (BAC) can be achieved by consuming a high volume of alcohol in a short period. The rate at which the liver metabolizes alcohol is limited, and any intake above this metabolism rate can cause an accumulation in the bloodstream, leading to a rapid rise in BAC. Factors such as age, sex, and health conditions can influence the speed at which an individual's BAC increases. It's also important to note that the legal limit for intoxication typically stands at a BAC of 0.08. The Breathalyzer is a device used to measure the BAC by detecting the ethanol concentration in a person's breath. Excessive drinking can lead to various consequences, including impairment of cognitive functions, decreased reaction time, and in severe cases, unconsciousness or death.
Regarding the onset of alcohol intoxication, it generally starts after consuming two or more drinks; it can lead to euphoria at lower doses, and increasing sedation as the amount increases. Also, a person might experience problems with memory and consciousness with excessive alcohol use. When drinking, alcohol's diuretic effect inhibits the release of ADH, leading to an increase in urine production and frequency of restroom visits, as described in the CASE STUDY: DRINK AND FLUSH.