A 50-year-old man presents with chronic abdominal bloating,…
A 50-year-old man presents with chronic abdominal bloating, constipation, and poor digestion. Endoscopy shows no structural obstruction. Further testing reveals that his gastrointestinal smooth muscle and glands are intact, but motility patterns are uncoordinated and do not respond to stimulation of either sympathetic or parasympathetic nerves. Which nervous system is primarily responsible for coordinating his gastrointestinal motility, blood flow, and secretion independently of the central nervous system?
Read DetailsA patient visits their doctor and explains that since being…
A patient visits their doctor and explains that since being hit on the cheek with a hockey puck, they have been suffering from dry eyes and a dry mouth. It’s apparent to the doctor that, because both lacrimal secretion and salivary secretion are affected, there may be damage to the _________ nerve.
Read DetailsConsider a basketball player whose heart is racing during th…
Consider a basketball player whose heart is racing during the final moments of a game. With seconds on the clock, she makes a jump shot. Her excitement is a function of her _________ nervous system, and her movements are a function of her _________ nervous system.
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