ABT Clinical Toxicology 3

Question 1

The QRS widening seen in tricyclic antidepressant (TCA) overdose is treated with which agent?

Accepted Answer

Sodium bicarbonate

Answer

Magnesium sulfate

Answer

Lidocaine

Answer

Adenosine

Question 2

Which toxin causes a characteristic 'garlic breath' odor and is associated with Mees' lines on fingernails?

Accepted Answer

Arsenic

Answer

Mercury

Answer

Lead

Answer

Thallium

Question 3

Physostigmine is the preferred antidote for severe toxicity from which drug class?

Accepted Answer

Anticholinergics

Answer

Opioids

Answer

Benzodiazepines

Answer

Sympathomimetics

Question 4

Which laboratory finding is most consistent with iron toxicity in the GI phase?

Accepted Answer

Leukocytosis and elevated glucose

Answer

Elevated serum ferritin

Answer

Elevated TIBC above serum iron

Answer

Metabolic alkalosis

Question 5

Whole bowel irrigation with polyethylene glycol is most appropriate for which type of poisoning?

Accepted Answer

Enteric-coated or sustained-release drug overdose

Answer

Liquid hydrocarbon ingestion

Answer

Alcohol intoxication

Answer

Caustic ingestion

Question 6

Which antidote is used for organophosphate poisoning to reactivate acetylcholinesterase?

Accepted Answer

Pralidoxime (2-PAM)

Answer

Atropine

Answer

Physostigmine

Answer

Diazepam