Free BCEN Certified Flight Registered Nurse (CFRN) Practice Question

The described symptoms are characteristic of organophosphate poisoning, which results in cholinergic toxidrome. Organophosphates inhibit acetylcholinesterase, leading to an accumulation of acetylcholine and overstimulation of cholinergic receptors. The symptoms such as miosis (constricted pupils), excessive salivation, bronchorrhea, diarrhea, and muscle fasciculations are hallmark signs of cholinergic toxicity.

Other options such as benzodiazepines, opioid overdose, and carbon monoxide poisoning typically present with different symptoms. Benzodiazepine overdose might lead to drowsiness and respiratory depression, opioid overdose often presents with miosis and respiratory depression, and carbon monoxide poisoning typically causes headache, dizziness, and cherry-red skin.