Podcast
Questions and Answers
Which layer of smooth muscle in the stomach allows it to churn and break down food?
Which layer of smooth muscle in the stomach allows it to churn and break down food?
- Circular layer
- Longitudinal layer
- Oblique layer (correct)
- Transverse layer
What is the role of intrinsic factor secreted by the stomach?
What is the role of intrinsic factor secreted by the stomach?
- Absorption of vitamin D
- Absorption of vitamin B12 (correct)
- Absorption of vitamin C
- Absorption of vitamin A
Which phase of gastric juice secretion occurs when partially digested food enters the duodenum?
Which phase of gastric juice secretion occurs when partially digested food enters the duodenum?
- Cephalic phase
- Intestinal phase (correct)
- Gastric phase
- Elevation phase
What stimulates parasympathetic activity leading to increased gastric secretion in the stomach?
What stimulates parasympathetic activity leading to increased gastric secretion in the stomach?
Which enzyme is responsible for the initial digestion of proteins in the stomach?
Which enzyme is responsible for the initial digestion of proteins in the stomach?
What is the function of chief cells in the stomach?
What is the function of chief cells in the stomach?
What triggers the cephalic phase of gastric juice secretion before food enters the stomach?
What triggers the cephalic phase of gastric juice secretion before food enters the stomach?
The stomach is a passive structure that does not play an active role in chemical digestion.
The stomach is a passive structure that does not play an active role in chemical digestion.
Food absorption occurs in the stomach.
Food absorption occurs in the stomach.
Gastric lipase is responsible for the breakdown of carbohydrates in the stomach.
Gastric lipase is responsible for the breakdown of carbohydrates in the stomach.
The cephalic phase of gastric juice secretion occurs after food enters the stomach.
The cephalic phase of gastric juice secretion occurs after food enters the stomach.
Gastrin is a hormone that inhibits gastric activity.
Gastrin is a hormone that inhibits gastric activity.
Parietal cells in the stomach produce intrinsic factor and hydrochloric acid.
Parietal cells in the stomach produce intrinsic factor and hydrochloric acid.
Mucous neck cells in the stomach secrete enzymes to break down fats.
Mucous neck cells in the stomach secrete enzymes to break down fats.
The acidic environment in the stomach activates lingual lipase to digest proteins.
The acidic environment in the stomach activates lingual lipase to digest proteins.
Chyme is a thick liquid produced in the stomach through mixing food with gastric juice.
Chyme is a thick liquid produced in the stomach through mixing food with gastric juice.
The stomach empties its contents into the duodenum within 24-72 hours after a meal.
The stomach empties its contents into the duodenum within 24-72 hours after a meal.
