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Multiple Choice
Which of the following occurs during the gastric phase of gastric secretion?
A
Release of gastrin from the stomach lining
B
Initiation of swallowing reflex
C
Absorption of nutrients in the small intestine
D
Secretion of bile from the liver
Verified step by step guidance
1
Understand the phases of gastric secretion: The gastric phase is one of the three phases of gastric secretion, which also includes the cephalic and intestinal phases.
Identify the role of the gastric phase: During the gastric phase, the presence of food in the stomach stimulates the secretion of gastric juices.
Recognize the stimuli involved: The gastric phase is primarily stimulated by the distension of the stomach and the presence of peptides and amino acids.
Focus on the key hormone: Gastrin is a hormone released from the stomach lining during the gastric phase, which plays a crucial role in stimulating gastric acid secretion.
Differentiate the options: Compare the options given in the problem with the known activities of the gastric phase, noting that the release of gastrin is directly associated with this phase.