AMLS Toxicological Emergencies

Question 1

Which toxidrome is characterized by miosis, bradycardia, excessive secretions, and bronchospasm?

Accepted Answer

Cholinergic toxidrome (organophosphate poisoning)

Answer

Sympathomimetic toxidrome

Answer

Anticholinergic toxidrome

Answer

Opioid toxidrome

Question 2

What is the specific antidote for opioid overdose with respiratory depression?

Accepted Answer

Naloxone (Narcan)

Answer

Flumazenil

Answer

N-acetylcysteine

Answer

Physostigmine

Question 3

A patient presents with fever, tachycardia, hypertension, mydriasis, and dry flushed skin. Which toxidrome is most likely?

Accepted Answer

Anticholinergic toxidrome

Answer

Cholinergic toxidrome

Answer

Opioid toxidrome

Answer

Sedative-hypnotic toxidrome

Question 4

Which laboratory finding is the hallmark of acetaminophen (Tylenol) toxicity in the delayed phase (24-72 hours)?

Accepted Answer

Elevated AST/ALT indicating hepatocellular damage

Answer

Metabolic alkalosis

Answer

Hyperglycemia

Answer

Elevated creatinine only

Question 5

What is the antidote for acetaminophen overdose?

Accepted Answer

N-acetylcysteine (NAC)

Answer

Activated charcoal alone

Answer

Sodium bicarbonate

Answer

Atropine

Question 6

A patient with beta-blocker overdose presents with bradycardia and hypotension unresponsive to atropine. What is the next treatment?

Accepted Answer

High-dose insulin therapy with dextrose (HIE)

Answer

Digoxin-specific antibodies (Digibind)

Answer

Flumazenil IV

Answer

Naloxone infusion