Chapter 21-Toxicology Flashcards
Define Toxicology
the study of toxic or poisonous substances
Define poison
A substance whose chemical action can damage body structures or hinder body functions
Define toxin
A poisonous substance that is naturally produced by a plant, animal, or bacteria
Define substance abuse
The misuse of any substance for a desired effect
Define overdose
The lethal or toxic dose of a substance
What six questions do you ask during SAMPLE if you suspect toxins are involved?
What did you take When did you take it How much did you take Did you eat or drink before or after Have you taken an antidote How much do you weigh
What are some clues that may be present at the scene and an indication of intoxication?
overturned bottle needle or syringe scattered pills chemicals overturned or damaged plants
What are opioids?
CNS depressants designed for pain relief
What are opiates?
nonsynthetic opioids
What are some opioids?
Heroin, methadone, oxycodon
What are some opiates?
morphine, codeine
What are the signs and symptoms of someone who has taken opioids/opiates?
Hypoventilation or respiratory arrest
pin point pupils
sedation/coma
Hypotension
What is a narcotic and what class of drugs falls into this category?
Drugs that affect the behavior or mood, inducing sleepiness; opioids
What is the antidote for opioids?
Naloxon (brand name: narcan)
What are sympathomimetics?
Drugs that simulate the sympathetic response (fight or flight)
What are some examples of sympathomimetics?
Epinephrine, albuterol, cocaine, meth
What are some symptoms of sympathomimetic abuse?
Hypertension, tachycardia, dilated pupils, seizures/agitation, hyperthermia
What are some examples of sedative-hypnotic drugs?
Diazepam, secobarbital, flunitrazepam, midazolam
What are some symptoms of sedative-hypnotic drug use?
Slurred speech, sedation/coma, hypoventilation, hypotension