Toxicology And Antidotes Practice Test

A 28-year-old man with a history of intravenous drug use is found unresponsive by his roommate. On examination, he is cyanotic with a respiratory rate of 4/min. His pupils are 1 mm in diameter and nonreactive to light. Paramedics administer an intravenous medication, and within one minute, his respiratory rate and level of consciousness improve significantly.

A 2-year-old boy is brought to the emergency department with vomiting, diarrhea, and abdominal pain after ingesting an unknown number of his mother's iron tablets. He is hypotensive and has a severe anion gap metabolic acidosis. Treatment with an intravenous chelating agent is initiated.