HOSA Forensic Medicine 2018 Exam

HOSA Forensic Medicine 2018 Exam what is forensic science? - CORRECT ANSWERS application of medical knowledge to investigation of crime, particularly in establishing causes of injury or death what are opioids? (downers) - CORRECT ANSWERS analgesic and central nervous system depressant effects; euphoria or a sense of well-being what are stimulants? (uppers) - CORRECT ANSWERS increase mental alertness and focus; enhance physical energy; cause excitation by influencing brain chemicals; euphoria what are amphetamines? - CORRECT ANSWERS amphetamines and other stimulants have an analgesic effect in their own right and significantly enhance the analgesic effects of opioids TRUE OR FALSE? amphetamines are NOT a beneficial alternative to pure opioids - CORRECT ANSWERS FALSE amphetamines ARE a beneficial alternative to pure opioids what does a forensic pathologist do? - CORRECT ANSWERS determines cod and identifies corpse what does a forensic nurse do? - CORRECT ANSWERS trained to treat trauma patients (assaulted), testify in court, take blood and tissue samples, collect evidence, photograph and measure wounds what are the four causes of traumatic death? - CORRECT ANSWERS mechanical, thermal, electrical, chemical what are the four manners of death? - CORRECT ANSWERS natural, accidental, suicidal, homicidal what's the importance of determining the cause of death (cod)? - CORRECT ANSWERS helps determine why death occurred; autopsies, making determinations based on evidence (medical examiner), moves on to court cases and judicial hearings what does a forensic toxicologist do? - CORRECT ANSWERS examines drugs, poison cases, and deaths; looks at blood, urine, hair, and other body fluids what does a forensic odontologist do? - CORRECT ANSWERS examines and x-rays teeth to compare with deceased examinations made by local dentist, helps confirm identity what does a forensic anthropologist do? - CORRECT ANSWERS extreme cases where only skeleton is found; helps determine sex, age, and race of deceased by reconstructing parts to help with identification what is forensic taphonomy? - CORRECT ANSWERS concerned with study of decomposition of human remains, particularly in context of burial sites what does a forensic entomologist do? - CORRECT ANSWERS determines approximate postmortem interval based on type and stage of insect larvae present what does the identification of blood, blood stains, biological fluids and stains do? - CORRECT ANSWERS helps to identify offender as well as piece together sequence of events that occurred what are the techniques of DNA analysis? - CORRECT ANSWERS restriction fragment length polymorphism (analyze length of strands of DNA that include repeated base pairs), y-marker analysis (ID DNA from different males), mDNA (using DNA from mitochondrion)