Neurosensory Disorders Pretest
Question 1 of 75
A physician diagnoses a client with myasthenia gravis, prescribing pyridostigmine (Mestinon), 60 mg P.O. every 3 hours. Before administering this anticholinesterase agent, the nurse reviews the client's history. Which preexisting condition would contraindicate the use of pyridostigmine?
1.  Ulcerative colitis
2.  Blood dyscrasia
3.  Intestinal obstruction
4.  Spinal cord injury