CPR Toxicological Emergencies and Overdose Management

Question 1

What is the first-line antidote for reversing opioid-induced respiratory depression?

Accepted Answer

Naloxone

Answer

Flumazenil

Answer

N-acetylcysteine

Answer

Atropine

Question 2

A patient presents with miosis, bradycardia, bronchospasm, and excessive secretions after unknown substance ingestion. Which toxidrome does this represent?

Accepted Answer

Cholinergic

Answer

Sympathomimetic

Answer

Anticholinergic

Answer

Sedative-hypnotic

Question 3

What is the recommended initial adult IV dose of naloxone for suspected opioid overdose?

Accepted Answer

0.4 to 2 mg

Answer

0.01 mg

Answer

0.1 mg

Answer

10 mg

Question 4

Which combination of antidotes is used to treat severe organophosphate poisoning?

Accepted Answer

Pralidoxime (2-PAM) and atropine

Answer

Physostigmine and pyridoxine

Answer

Flumazenil and calcium gluconate

Answer

Naloxone and sodium bicarbonate

Question 5

A patient with tricyclic antidepressant (TCA) overdose develops a wide QRS complex and hypotension. What is the treatment of choice?

Accepted Answer

Sodium bicarbonate IV

Answer

Magnesium sulfate IV

Answer

Lidocaine infusion

Answer

Calcium chloride IV

Question 6

What is the primary mechanism by which activated charcoal reduces toxin absorption in the GI tract?

Accepted Answer

Adsorption of toxins to prevent absorption

Answer

Chemical neutralization of the poison

Answer

Inducing emesis to expel the substance

Answer

Enzymatic breakdown of the toxin

Question 7

A patient presents with hyperthermia, tachycardia, hypertension, agitation, diaphoresis, and dilated pupils after using a stimulant. Which toxidrome is this?

Accepted Answer

Sympathomimetic

Answer

Opioid

Answer

Cholinergic

Answer

Anticholinergic