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Chapter 27
Paramedic: Toxicology
112
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02/10/2013

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Term
What is a legal drug?
Definition
Licit 1325
Term
What is a illegal drug?
Definition
Illicit 1325
Term
What is a substance that is toxic by nature, no matter how it gets into the body or how much is taken?
Definition
Poison 1325
Term
What is a substance that has some therapeutic effect when given in the appropriate circumstances and in the appropriate dose?
Definition
Drug 1325
Term
What is used to describe the extent to which any given drug is present in sufficient amounts to produce the desired result?
Definition
Bioavailability 1325
Term
What describes the point when the bioavailability of a given drug has decreased to 50%?
Definition
Half-life 1325
Term
What is used to describe how a drug is removed from the body?
Definition
Excretion 1325
Term
What are medical emergencies caused by toxic agents such as poison?
Definition
Toxicologic Emergencies 1325
Term
What 2 general headings do toxicologic emergencies usually fall under?
Definition
Intentional or Unintentional 1325
Term
What are the four primary methods of entry for a toxin?
Definition
Ingestion, Inhalation, Injection, and Absorption 1327
Term
What are 2 of the most common sources of poisoning by ingestion?
Definition
Medications around the home and Household Chemicals 1327
Term
What are the syndrome-like symptoms of any given class or group of poisonous agents?
Definition
Toxidrome 1329
Term
What are the 6 major toxidromes that exist?
Definition
Stimulants, Narcotics, Cholinergics, Anticholinergics, Sympathomimetics, and Sedative/Hypnotics 1329
Term
What are amphetamine, methamphetamine, cocaine, diet aids, nasal decongestants, and bath salts?
Definition
Stimulants 1329
Term
What are heroin, opium, morphine, hydromorphone (Dilaudid), fentanyl, oxycodone-aspirin combination (Percodn), zolpidem tartrate (Ambien), and secobarbital?
Definition
Narcotic (opiate and opioid) 1329
Term
What are pseudoephedrine, phenylephrine, phenylpropanolamine, amphetamine, and methamphetamine?
Definition
Sympathomimetic 1329
Term
What are phenobarbital, diazepam (Valium), thiopental, midazolam (Versed), and lorazepam?
Definition
Sedative/Hypnotics 1329
Term
What are acephate (Orthene), diazinon (Basudin, Knox Out, Spectracide), and malathion (Celthion, Cythion), parathion, sarin, tabun, VX?
Definition
Cholinergic 1329
Term
What are atropine, scopolamine, antihistamines, and antipsychotics?
Definition
Anticholinergic 1329
Term
What is broadly defined as the self-administration of either licit or illicit substances in a manner not in accord with approved medical or social practice?
Definition
Substance Abuse 1330
Term
What is any use of drugs that causes physical, psychological, economic, legal, or social harm to the user or to others affected by the drug user's behavior?
Definition
Drug Abuse 1330
Term
What is a psychological dependence on a drug or drugs?
Definition
Habituation 1330
Term
What is a physiologic state of adaptation to a drug, usually characterized by tolerance to the drug's effects and a withdrawal syndrome if the drug is stopped, especially if it is stopped abruptly?
Definition
Physical Dependence 1331
Term
What is the emotional state of craving a drug to maintain a feeling of well-being?
Definition
Psychological Dependence 1331
Term
What is a physiologic adaptation to the effects of a drug such that increasingly larger doses of the drug are required to achieve the same effect?
Definition
Tolerance 1331
Term
What is a predictable set of signs and symptoms, usually involving altered CNS activity, that occurs after the abrupt cessation of a drug or after rapidly decreasing the usual dosage of a drug?
Definition
Withdrawal Syndrome 1331
Term
What is a chronic disorder characterized by the compulsive use of a substance resulting in physical, psychological, or social harm to the user, who continues to use the substance despite the harm?
Definition
Drug Addiction 1331
Term
What is something that counteracts the action of something else and has an affinity for a cell receptor?
Definition
Antagonist 1331
Term
What is the enhancement of the effect of one drug by taking it with another drug?
Definition
Potentiation 1331
Term
What is the action of two substances, such as drugs, in which the total effects are greater than the sum of the independent effects of the two substances?
Definition
Synergism 1331
Term
What is the most widely abused drug in the United States?
Definition
Alcohol 1333
Term
How many Americans regularly consume alcohol?
Definition
100 Million 1333
Term
What is a state of physical and psychological addiction to ethanol?
Definition
Alcoholism 1333
Term
How many Americans have alcoholism?
Definition
Slightly more than 10% 1333
Term
How much can alcoholism decrease a persons life span?
Definition
10-20 Years 1334
Term
What is an inflamed stomach?
Definition
Gastritis 1335
Term
What is easy bleeding and poor clotting ability?
Definition
Coagulopathies 1335
Term
What is a severe withdrawal syndrome seen in people with alcoholism who are deprived of ethyl alcohol and can be fatal if untreated?
Definition
Delirium Tremens (DTs) 1335
Term
What is a naturally occurring alkaloid that is extracted from the Erythroxylon coca plant leaves found in South America?
Definition
Cocaine 1336
Term
What refers to the combined use of heroin and cocaine simultaneously?
Definition
Speedballing 1336
Term
What is a class of drugs that increase alertness and excitation (stimulants) and includes methamphetamine (crank or ice), methylenedioxyamphetamine (MDA, Adam), and methylenedioxymethamphetamine (MDMA, Eve, ecstasy)?
Definition
Amphetamines 1336-1337
Term
What is problematic because it is a low cost, long-acting (up to 12 hours) stimulant that is extremely addictive?
Definition
Methamphetamine 1337
Term
What is the destruction of muscle tissue leading to a release of potassium and myoglobin?
Definition
Rhabdomyolysis 1337
Term
What are the dried leaves and flower buds of the Cannabis sativa plant that are smoked to achieve a high?
Definition
Marijuana 1338
Term
What is the primary psychoactive ingredient in marijuana and hashish?
Definition
Delta 9-tetrahydrocannabinol 1338
Term
What is an illicit drug consisting of a blend of synthetic cannibinoids; it can produce delirium and short and long-term psychotic effects?
Definition
Spice 1338
Term
What is a substance that causes some distortion of sense perception-seeing, hearing, or feeling things that are not actually present?
Definition
Hallucinogens 1338
Term
Who discovered lysergic acid diethylamine (LSD)?
Definition
Dr. Albert Hoffman 1338
Term
What is crossing of the senses?
Definition
Synthesthesias 1338
Term
What is involuntary, rhythmic movement of the eyes?
Definition
Nystagmus 1339
Term
What is a drug used to reduce anxiety, calm agitated patients, and help produce drowsiness and sleep (CNS depressants)?
Definition
Sedative-Hypnotic 1340
Term
What is a potent sedative-hypnotics historically used as sleep aids, antianxiety drugs, and as a part of the regimen for seizure control?
Definition
Barbiturates 1340
Term
What drug is in the family of sedative-hypnotics most commonly used to treat anxiety, seizures, and alcohol withdrawal?
Definition
Benzodiazepines 1341
Term
What exert their effects by stimulating the gamma-aminobutyric acid pathways, resulting in sedation, reduced anxiety, and relaxation of striated muscle?
Definition
Benzodiazepines 1341
Term
What is the generic term for opiates and opioids, drugs that act as a CNS depressant and produce insensibility or stupor?
Definition
Narcotic 1341
Term
What are various alkaloids derived from the opium or poppy plant?
Definition
Opiate 1341
Term
What is a synthetic narcotic not derived from opium?
Definition
Opioid 1341
Term
What is a drug that produces sleep or altered mental status?
Definition
Narcotic 1341
Term
What 2 major divisions have narcotics historically been classified?
Definition
Opiates and Opioids 1341
Term
What are a major component in many insecticides used in agriculture and in the home?
Definition
Organophosphates 1344
Term
What are acephate (Orthene), diazinon (Basudin, Knox Out, Spectracide), and malathion (Celthion, Cythion), carbamates, warfarins, and pyrethrumus (Raid)?
Definition
Organophosphates 1344
Term
What exert their toxic effects at junctions (synapse) of the nerve cells of the autonomic nervous system?
Definition
Organophosphates 1344
Term
What does the SLUDGE mnemonic stand for associated with cholinergic excess?
Definition
Salivation, Lacrimation, Urination, Defecation, Gastric upset, and Emesis 1344
Term
What causes more poisoning deaths than any other toxic substances?
Definition
CO 1344
Term
What is used in industry for electroplating, ore extraction, and fumigation of structures?
Definition
Cyanide 1346
Term
What is one of the most rapid-acting and deadly poisons?
Definition
Cyanide 1346
Term
What crucial cellular enzyme does cyanide combine with and in turn blocks the utilization of oxygen at the cellular level?
Definition
Cytochrome Oxidase 1346
Term
What is the classic odor on the patient's breath that is highly suggestive but is not diagnostic?
Definition
Bitter Almonds 1346
Term
What is the prehospital treatment to displace cyanide from the cytochrome oxidase?
Definition
Amyl Nitrate 1346
Term
What is an antidote used to treat methemoglobinemia, that may occur during the treatment of cyanide poisoning with sodium nitrite?
Definition
Methylene Blue 1347
Term
What includes strong acids (pH <2.0) and strong alkalis (pH >12.0)?
Definition
Caustics 1347
Term
What is one of the most common caustic exposures in the agricultural setting?
Definition
Anhydrous Ammonia 1348
Term
What are the "do not's" for caustic ingestions?
Definition
Neutralizing Substance, Induce Vomiting, Gastric Lavage, or Activated Charcoal 1348
Term
What is an endogenous metabolite of gamma-aminobutyric acid, a neuromuscular involved with sleep cycles, memory retention, and emotional control?
Definition
Gamma-hydroxybutyrate (GHB) 1349
Term
What year did the US FDA ban GHB from OTC sales?
Definition
1990 1349
Term
What is a lack of a will to resist?
Definition
Severe Passivity 1349
Term
What is a potent benzodiazepine that is also used to facilitate sexual assault?
Definition
Rohypnol or Roofies 1349
Term
What is the form of alcohol consumed by humans in alcoholic beverages?
Definition
Ethyl Alcohol or Ethanol 1349
Term
What are poisonous alcohols manufactured for industrial or nongastronomic purposes?
Definition
Methyl Alcohol and Ethylene Glycol 1349
Term
What is present in paints, paint removers, windshield washer fluids, varnishes, antifreeze, and canned fuels such as Sterno?
Definition
Methyl Alcohol (Wood Alcohol or Methanol) 1349
Term
What is a colorless, odorless liquid found in a variety of commercial products, including antifreeze, coolant, deicers, polishes, and paints?
Definition
Ethylene Glycol 1350
Term
What is the estimated lethal dose of ethylene glycol?
Definition
2 mL/kg or as little as 150 mL in the average adult 1350
Term
What are compounds made up principally of hydrogen and carbon atoms, with most, but not all, obtained from the distillation of petroleum?
Definition
Hydrocarbons 1351
Term
What is hydrogen fluoride (HF) that has been placed into an aqueous solution?
Definition
Hydrofluoric Acid 1352
Term
What is a highly toxic, colorless gas that is usually identified by it distinctive rotten-egg odor?
Definition
Hydrogen Sulfide (HS) 1352
Term
What are the group of gases known as nitrogen oxides?
Definition
Nitric Oxide and Nitrogen Dioxide 1352
Term
What is colorless or brownish at room temperature and has a sweet smell?
Definition
Nitric Oxide 1352-1353
Term
What is colorless or brownish and is generally described as having a harsh odor?
Definition
Nitrogen Dioxide 1353
Term
What are a group of drugs used to treat severe depression and manage pain?
Definition
Tricyclic Antidepressants (TCAs) 1353
Term
What drug has a small therapeutic window?
Definition
Tricyclic Antidepressants (TCAs) 1353
Term
What is a psychiatric medication used primarily to treat atypical depression by increasing norepinephrine and serotonin levels in the CNS?
Definition
Monoamine Oxidase Inhibitors (MAOIs) 1354
Term
What is a class of antidepressants that inhibit the reuptake of serotonin?
Definition
Selective Serotonin Reuptake Inhibitors (SSRIs) 1354
Term
What is an idiosyncratic complication that occurs with antidepressant therapy in which patients have lower extremity muscle rigidity, confusion or disorientation, and/or agitation?
Definition
Serotonin Syndrome 1354
Term
How many patient's with serotonin syndrome will require intubation?
Definition
25% 1354
Term
What is the cornerstone drug for the treatment of bipolar disorder?
Definition
Lithium 1355
Term
What is an aspirin-like drugs?
Definition
Salicylates 1355
Term
What are the 3 primary variables in the clinical presentation of salicylate overdose?
Definition
Patient's Age, Dose Ingested, and Duration of the Exposure 1355
Term
What is a naturally occurring alkaloid found in a variety of plants such as tea leaves?
Definition
Theophylline 1356
Term
What is the family of drugs that theophylline, caffeine, and theobromine belong to?
Definition
Methylated Xanthines 1356
Term
What is a major cause of mortality and morbidity from lead poisoning?
Definition
Encephalopathy 1357
Term
What is a disease of the brain?
Definition
Encephalopathy 1357
Term
What is the leading cause of chronic metal poisoning?
Definition
Lead 1357
Term
What is the most common cause of acute metal poisoning and the second leading cause of chronic metal poisoning?
Definition
Arsenic 1358
Term
What can be used as chelating agents to bind many heavy metals and promote excretion by the body?
Definition
British anti-Lewisite 1358
Term
What is a common houseplant that resembles "elephant ears"; ingestion leads to burns of the mouth and tongue and, possibly, paralysis of the vocal cords and nausea and vomiting?
Definition
Dieffenbachia 1358
Term
What is a common houseplant that contains caladium oxalate crystals?
Definition
Caladium 1358
Term
What is a perennial flowering shrub with clusters of red berries that can lead to serious and even fatal poisoning?
Definition
Lantana, Red Sage, or Wild Sage 1358
Term
What is a seed that contains the poison ricin?
Definition
Castor Beans 1358
Term
What is a plant that contains cardiac glycosides used in making digitalis?
Definition
Foxglove 1358
Term
What are the variety of factors determines whether a mushroom ingestion will produce toxic results?
Definition
Age, Season, Amount, and Preparation 1360-1361
Term
What 3 toxins produce roughly 35% of all food-related deaths?
Definition
Salmonella, Listeria, and Taxoplasma 1361
Term
What is an extremely deadly toxin that is usually the result of improper food storage or canning?
Definition
Clostridium Botulinum 1361
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