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Forensic Science: Toxicology Chapter 9 Flashcards

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9576548355ToxicologyThe study of drugs, poisons, toxins, their metabolites, and other substances that can harm a person when used for medical, recreational, or criminal purposes.0
9576548356Toxins:Type of poison produced by living things1
9576548357MetabolitesProducts of cellular reaction to substance2
95765483584 ways drugs or toxins enter the body:1. Ingesting them into the digestive tract 2. Inhaling them 3. Injecting them 4. Absorbing them through the skin3
95765483595 body fluids used to detect substances:1. Blood 2. Sweat 3. Stomach contents 4. Fluids from the vitreous humor of the eye 5. Urine4
95765483615 factors affecting toxicology:1. Dose (how much was taken in or absorbed) 2. Duration (the frequency and length of the exposure) 3. Nature of the exposure (whether it was ingested, absorbed, or inhaled through the skin) 4. Interaction with medications, alcohol, or other substances 5. By-products when broken down or metabolized by the body5
9576548363A person may be exposed to a substance in any of the ways..Intentionally, Accidentally, Deliberately6
9576548364AddictionA physical process associated with drug use whereby a person craves a drug; failure to take the drug can result in withdrawal symptoms7
9576548365Anabolic steroidsPromotes cell and tissue growth and division. These drugs have a chemical structure similar to testosterone, the male sex hormone.8
9576548366Controlled substanceA drug or other chemical compound whose manufacture, distribution, possession, and use are regulated by the legal system9
9576548367Controlled Substances ActLaw that established penalties for possession, use, or distribution of illegal drugs and established five schedules for classifying drugs10
9576548368DependencyPowerful craving for a drug; unlike addiction, dependency does not result in physical withdrawal symptoms upon discontinuation of the drug11
9576548369Examples of depressants...Barbiturates and benzodiazepines12
9576548370DepressantA substance that decreases or inhibits the nervous system, reducing alertness13
9576548372Examples of hallucinogens...LSD, marijuana, PCP, MDMA14
9576548373HallucinogenA drug that changes a person's perceptions and thinking during intoxication15
9576548374Illegal DrugA drug that causes addiction, habituation, or a marked change in consciousness, has limited or no medical use, and is listed in Schedule I of the U.S Controlled Substances Act16
9576548375Examples of narcotics...Hydromorphine, hydrocodone, oxycodone17
9576548376NarcoticAn addictive, sleep-inducing drug, often derived from opium, that acts as a central nervous system depressant and suppresses pain18
9576548377PoisonA natural or manufactured substance that can cause severe illness or death if ingested, inhaled, or absorbed through the skin19
9576548378StimulantA substance affecting the nervous system by increasing alertness, attention, and energy, as well as elevating blood pressure, heart rate, and respiration20
9576548379Examples of Stimulants are...Amphetamines, meth, and cocaine21
9576548380ToleranceA condition occurring with consistent use of one drug whereby a person needs more and more of the drug to produce the same effect22
9576548381ToxicityThe degree to which a substance is poisonous or can cause illness23
9576548389What is mercury poisoning?A type of metal poisoning due to mercury exposure24
9576548390What are some symptoms of mercury poisoning?Muscle weakness, poor coordination, numbness in the hands and feet, skin rashes, anxiety, memory problems, trouble speaking, trouble hearing, or trouble seeing25
9576548391How many lead poisoning cases are there per year?Fewer than 200,000 cases per yr26
9576548392What are some symptoms of lead poisoning?Pain in the abdomen or joints, lots of fatigue and loss of appetite, constipation, nausea, or vomiting, learning disability or slow growth, headache, insomnia, and memory loss27
9576548393What is arsenic?A naturally occurring, metalloid component of the earths crust28
9576548394What are some symptoms of arsenic poisoning?Diarrhea, vomiting, vomiting blood, blood in urine, cramping muscles, hair loss, and stomach pain29
9576548395What organs of the body are usually affected by arsenic poisoning?The lungs, skin, kidneys and liver30
9576548396What can arsenic poisoning lead to?Cancer, liver disease, comatose, and death31
9576548397Xanax is considered a:Depressant32
9576548398What is oxycodone an example of?Narcotic33
9576548399_____________________ is the study of drugs and poisons, and their interactions with or effects on the bodyToxicology34
9576548400Ricin is a bioterrorism agent derived from what plantCastor bean35
9576548401Drugs that promote cell division and tissue growth are...Anabolic Steroids36
9576548402What is crack an example of?Stimulant37
9576548403The greek philosopher Socrates was victim to what poison?Hemlock38
9576548404Drugs that increase feelings of well-being, energy, and alertness are...Stimulants39
9576548405Marijuana is considered a...Hallucinogen40
9576548407Drugs whose sale, possession and use are restricted in the US are called...Controlled substances41
9576548408Alcohol is considered a...Depressant42
9576548409True or False: A Greek philosopher, Socrates, was one of the earliest reported victims of poisoning.True43
9576548410Most narcotics arePhysically addicting, pain relievers, depressants to the central nervous system44
9576548411Any substance that, when taken in sufficient quantities, causes a harmful or deadly reaction known as a....Poison45
9576548412Drugs with no current accepted medical use in the US are called...Illegal drugs46
9576548413Due to the availability of the vaccine, this dangerous toxin only causes 5 deaths per year in the US:Tetanus47
9576548414Drugs which act to reproduce pain by suppressing the central nervous system's ability to relay pain messages to the brain are...Narcotics48
9576548415Poisonings that involve high doses over short time periods are reffered to as....Acute poisoning49
9576548416Drugs known to increase awareness of sensory input, diminish control, and cause panic are....Hallucinogens50

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