FSC239Y5 Lecture Notes - Lecture 4: Breathalyzer, Varity, Tunnel Vision
Document Summary
Toxicology: branch of science concerned with the adverse effects of drugs and poisons on the human body and their fate in the body. Forensic toxicology: application of scientific methods that are used in toxicology. Interpretation: toxicology reports, letters of opinion (lop) Expert testimony: gives anaylisis/effect of alcohol, drugs and poisons:theory and operation of approved instruments and screening devices. Central nervous system depressant (i. e sedation, decreased coordination) At low blood alcohol concentrations may appear to be a stimulant (ie increased sociability, loss of inhibition) Standard drink = 17 ml of ethanol. Size of the containers matter, it is important to ask what they had drank. Alcohol content can vary but still be important. Suspicion by officer, odor of alcoholic beverage, admission of alcohol consumption. Fuel celled technology to detect and measure bac. Alcohol acetic acid carbon dioxide + water + electron. Uses infared light to measure the amount of alcool presentin a persons blood from their breath.
