A 54-year-old man is brought to emergency by his wife after being found in the yard with labored respirations. Physical examination shows diaphoresis and excessive lacrimation and salivation. He has fecal and urinary incontinence. An initial pharmacologic agent is administered. Which of the following is the most likely second pharmacologic therapy initiated and its mechanism of action?
Atropine; agonist
Atropine; antagonist
Atropine; cholinesterase regenerator
Pralidoxime; agonist
Pralidoxime, antagonist
Pralidoxime; cholinesterase regenerator
Pyridostigmine; agonist
Pyridostigmine; antagonist
Pyridostigmine; cholinesterase regenerator