Forensic science
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11 terms
Terms | Definitions |
|---|---|
 Toxicology | the study of adverse effects of chemicals or physical agents on living organisms |
| LD50 | lethal dose for 50% of a given population |
| What organ in the human body metabolizes alcohol? | liver |
| How does alcohol affect the human body? | it affects the central nervous system, especially the brain |
| What is the legal limit for alcohol in the blood while operating a vehicle in the U.S.? | .08% |
| Nystagmus test | Follow a pen/small flashlight left and right. Eyes bouncing involuntarily = intoxicated |
| Nine step walk and turn test | Take nine steps, heel to toe, along a straight line. After taking the steps, the suspect must turn on one foot and return in the same manner in the opposite direction. |
| One leg stand | Stand with one foot approximately six inches off the ground and count aloud by thousands (One thousand-one, one thousand-two, etc.) until told to put the foot down. The officer times the subject for 30 seconds |
| Why is blood alcohol an acceptable measurement in the US but blood drug levels are not? | Alcohol measurements are very similar per person, whereas drugs vary too much to set a specific legal measurement |
| Define soil. Class or individual evidence? | Naturallu deposited material covering Earth's surface; unique in different areas; Class evidence |
| Ink chromatography | a process used for separating ink based on color |
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