SCI-255 Exam #4 Questions with Correct Answers 100% Verified what drug evidence consists of - Correct Answers -controlled substances -chemicals and equipment used to manufacture controlled substances -equipment needed to use controlled substances how drugs are classified - Correct Answers -schedules: potential for addiction and if drug has an actual medical use- schedule 1= most dangerous, schedule 5= least dangerous) -physiological actions (narcotics, psychoactive, sedatives, tranquilizers, central nervous system) -origins (synthetic- meth, natural- marijuana/cocaine, and semi-synthetic- heroin/LSD)
DEA schedules - Correct Answers I: highly addictive, no medical use (marijuana)
II: highly addictive, some medical use (morphine, PCP, cocaine)
III: less addictive, some medical use (steroids, hydrocodone)
IV: less addictive, some medical use (valum, xanax)
V: not very addictive, medical use (codeine in cough syrup)
where to search for drug evidence - Correct Answers EVERYWHERE -can use k-9's precautions when searching for drug evidence - Correct Answers watch out for hypodermic
equipment, ex: needles and syringes
how to package needles, glass, liquids - Correct Answers needles: puncture-proof containers
glass: package to prevent breakage
liquids: glass vials
field testing - Correct Answers -presumptive: positive reaction indicates,
but does not prove, that the substance tested for is present -color tests based on test reagents used for drug identification -considerations: kit chemicals are corrosive, follow kit directions, use small amount for testing, test is only presumptive 1 / 2
-trunarc: red-illegal substance detected, yellow-cutting agent/precursor, green- no illegal substance clandestine labs - Correct Answers -meth, LSD, PCP -hazardous to process because chemicals are flammable, corrosive, toxic, etc
-evidence: trace, latent, footprint, document, chemicals, purchased products
-document chemicals and quantities
DUI vs DWI - Correct Answers DUI: judgement is impaired from alcohol or drugs
DWI: drunk driving
why people have different alcohol tolerances - Correct Answers high, normal, low tolerance -regular use -ethnicity -genetics BAC ranges - Correct Answers .00-.04 sober .01-.08 impairment .05-.25 intoxication .18-.5 comatose .3-.6 death document driver's behavior - Correct Answers because this is the foundation for arrest lab analysis will confirm behavior collection of alcohol specimens - Correct Answers breath: wait 15 minutes after eating or drinking anything
blood: antecubital arm vein from living, heart or major blood vessel from dead
urine: 20 minutes after bladder is first voided
urine sample container requirements - Correct Answers -jar contains preservative to prevent bacterial action, secure lid, resistant to breaking
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