A 47-year-old business executive is referred to a gastroenterologist after complaining of "burning pain" in the epigastric region. He indicates that the pain becomes more severe when he eats but is relieved after he drinks a glass of milk. Physical examination indicates that the abdomen is distended and tender in the umbilical region. An upper gastrointestinal endoscopic examination of this patient would most likely reveal which of the following?
A) Duodenal ulcer B) Ulcerative colitis C) Esophageal varicosis D) Gastric ulcer E) Diverticulitis
During the exam of a 7-year-old girl her optometrist notices that her left eye does not constrict as the light from the ophthalmoscope is moved in front of her eye. A lesion in which of the following structures would most likely account for this observation?
A) Facial motor nucleus B) Otic ganglion C) Cervical sympathetic trunk D) Ciliary ganglion E) Dorsal motor nucleus of X
A 25-year-old woman suffered severe brain injury after her commuter train derailed. For weeks after the impact, she experienced episodes of agitation, dystonia, tachycardia, hypertension, and hyperthermia. Her caretakers note that the events are triggered by the doorbell, telephone, and alarm clocks. The symptoms experienced by this woman are mostly likely caused by which of the following?
A) Increased parasympathetic activity B) Decreased parasympathetic activity C) Increased sympathetic activity D) Decreased sympathetic activity