Gastric mucosal blood flow is regulated by neural, hormonal, and locally active influences. Which of the following statements correctly characterizes gastric blood flow?
A. Stimulation of sympathetic nerves supplying the stomach is followed by gastric mucosal hyperemia and increased total gastric blood flow
B. Vagal nerve stimulation is accompanied by decreased gastric mucosal blood flow
C. Stimulants that increase acid secretion increase mucosal blood flow
D. In humans, prostaglandins increase mucosal blood flow at doses that inhibit gastric acid secretion
Answer:C
Gastric mucosal blood flow is regulated by neural, hormonal, and locally active influences. Which of the following statements correctly characterizes gastric blood flow?
A. Stimulation of sympathetic nerves supplying the stomach is followed by gastric mucosal hyperemia and increased total gastric blood flow B. Vagal nerve stimulation is accompanied by decreased gastric mucosal blood flow C. Stimulants that increase acid secretion increase mucosal blood flow D. In humans, prostaglandins increase mucosal blood flow at doses that inhibit gastric acid secretion