USMLE Q Bank Step 2 CK- 11

A 35 year old man is brought to the ER by his coworker complaining of shortness of breath and dizziness. He was acting hysterical most of the day before he felt dizzy and needed help. They work at a plastic manufacture plant for seven years.

What is the treatment needed to be given instantly?

A- Ethyl alcohol

B- Sodium nitrite

C- Activated charcoal

D- Atropine

E- Flumazenil


This is a case of cyanide poisoning. It is common in those who work on plastic manufacture. The appropriate antidote is sodium nitrite or amyl nitrite.

The correct answer is B

2 thoughts on “USMLE Q Bank Step 2 CK- 11”

  1. Thank you Mr Syed

Leave a Comment