HOSA Forensic Science Latest 2023 Graded A

HOSA Forensic Science Latest 2023 Graded A Criminalistics - Analysis of physical evidence Forensic anthropology - Analysis of bodily remains Forensic entomology - Analysis of insects on dead bodies to determine time of death Pharmacologist - Studies natural and synthetic chemicals Carcinogens - Causes cancers Toxicologist - Studies toxic effects of chemicals Base principle of toxicology - Chemicals safe in small dosages become deadly in high dosages Dose-response tests - Effects of drugs at different dosages for the relationship between dose and effect Pharmacodynamics - Mechanisms that cause physiological and pathological changes Pharmokinetics - How the chemical is absorbed, distributed, metabolized, and excreted Drugs may enter the body by - Ingestion, inhalation, injection, skin application, suppository Lipophilic chemials - Stored in fat cells, released into blood stream Plasma protein chemicals - Released slowly into cells Fluoride, lead, and strontium chemicals - Stored in bone Xenobiotics - Chemicals foreign to the body Chemical excretion by means of - Feces, sweat, saliva, breast milk, nails, and hair Enterohepatic circulation - Process between liver, small intestine, and bile A drug's half life - Time in which drug decreases by 50% in blood Agonist drugs - Drugs that cause effects Antagonist drugs - Drugs that block effects Immediate cause of death - Body problem that caused death Proximate cause of death - What led to the immediate cause of death Manner of death - Homicide, suicide, natural, accident, undetermined Myocardio infarction - Heart attack Frye standard - New methods must be accepted by those in the field