FSCI 2020U Study Guide - Final Guide: Ph, Optical Spectrometer, Blauw-Wit Amsterdam
16 Apr 2018
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Detecting and identifying and isolating drugs and poisons in bodily fluids, tissues, organs. Assess the level of impairment of the subject. Alcohol is a depressant, affects central nervous system. Blood alcohol concentration (bac) directly proportional to concentration of alcohol in brain or exhaled in breath: bac. Defined ass percent weight per volume: 0. 10% = 0. 10grams per 100ml of blood. Appears in the blood within minutes after ingestion. Under normal conditions it takes 30-90 minutes from final drink to complete absorption. Factors affecting absorption: total time taken to consume drink, alcohol content, amount consumed, quantity, distribution. When absorption is complete, alcohol is uniformly distributed between all the watery portions of the body (2/3 body volume: elimination. Oxidation almost entirely in liver, enzyme alcohol dehydrogenase converts alcohol to acetic acid an then into co2 and water (95-98%) Alcohol + adh acetic acid co2 + water. Excretion 5% is excreted in breath, urine, perspiration (cid:858)(cid:271)ur(cid:374) off(cid:859) rate (cid:448)aries, ge(cid:374)eral (cid:1004). (cid:1004)(cid:1005)(cid:1009)%/hour.
