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Toxicology
Forensic Science 2 - forensic toxicology
| Question | Answer |
|---|---|
| Define toxicology | The study of drugs, poisons, and toxins that can harm a person |
| What are the 2 categories or types of poisons? | natural and manufactured or man made |
| How are toxins and poisons SIMILAR? | They both can cause severe harm |
| How are toxins and poisons DIFFERENT? | Toxins are natural, poisons can be natural or man made |
| List the 4 ways people can be exposed to toxins. | 1 - ingesting or eating them 2 - inhaling them 3 - injecting them 4 - absorbing them through the skin |
| Explain the 2 types of INTENTIONAL exposure to a poison. | 1 - as a drug to treat an illness 2 - as a drug to relieve pain |
| Explain ACCIDENTAL exposure to a poison. | unintentional exposure to the substance |
| Explain DELIBERATE exposure to a poison. | taken to cause harm to an individual |
| Identify 3 ways poisons might be transported. | 1 - in luggage, backpacks, or carryons 2 - on or in a person 3 - in large materials that are being shipped |
| List 4 ways an individual might transport drugs “on their person”. | 1 - taped or attached to their body 2 - in a backpack or other carryon object 3 - swallowed in a balloon or other type of package 4 - inserted into a body cavity |
| What are 2 major dangers associated with a human “mule” carrying drugs inside their body? | 1 - the packaging material could break and the “mule” would absorb the substance being transported 2 - getting the material out of the mule (vomit, pull it out, in the feces) |
| How should wet materials or plant materials be packaged for processing in a lab? | dried then placed in a paper bag |
| How should syringes and needles be packaged? | In a glass container labeled “biohazard” |
| Explain why plant materials and wet materials are placed in a paper bag. | The material will remain dry and not allow mold or fungus to grow and destroy or contaminate the sample |
| What are 2 reasons to label syringes as a “biohazard”? | Bio refers to living so 1 - the material in the syringe could be a hazard to another human 2 - blood on the needle could be a hazard to someone handling the needle |
| What are the 3 questions to ask about a substance found at a crime scene? | 1 - What substance or substances is it? 2 - Are any of the substances illegal? 3- How much of each substance is present? |
| What are 2 reasons that the amount of the materials is important? | 1 - is the amount over the legal limit? 2 - is the amount for personal use of is the individual possibly dealing/delivering or planning on hurting/harming multiple people |
| What is the purpose of a presumptive test? | the person performing the test only thinks the material is a certain type |
| What is the purpose of a confirmatory test? | The person performing the test wants to positively identify the substance(s) |
| What is acute poisoning? | a high dose over a short period of time: produces immediate effects |
| What is chronic poisoning? | low doses over a long period of time with gradual effects |
| List the 3 heavy metals that are frequently a source of poisoning. | 1 - mercury 2 - arsenic 3 - lead |
| What is the function of a PESTICIDE? | to harm or kill insects or rodents (organisms we would consider to be animals) |
| What is the function of an HERBICIDE? | to harm or kill plants (weeds) |
| What is the source of ricin? | castor oil plants which are common in some landscaping |
| List 3 sources of venom. | snake bites, spider bites, scorpion stings |
| Define illegal drugs. | Drugs that have no known medical use. Mainly hallucinogens and heroin products |
| Define CONTROLLED substances. | Substances that would be considered illegal unless prescribed by a doctor. |
Created by:
lb goodlock
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