Stomach A&P

Front

What is the function of the epiglottis during the pharyngeal-esophageal phase?

Back

To block off the trachea, preventing food from entering the airway.

Front

What effect does the parasympathetic nervous system have on gland secretion and motility in the stomach?

Back

It increases gland secretion and motility, promoting digestion.

Front

What is the name of the muscle layer that is the outermost layer of the stomach?

Back

Serosa, which provides a protective outer covering.

Front

What is the name of the region of the stomach that connects to the esophagus?

Back

Cardia, the entry point for food from the esophagus.

Front

What do parietal cells secrete?

Back

Hydrochloric acid (HCl) and intrinsic factor, essential for vitamin B12 absorption.

Front

What is the primary function of the stomach?

Back

To digest food through mechanical and chemical processes.

Front

What role does hydrochloric acid (HCl) play in the stomach?

Back

It creates an acidic environment that activates digestive enzymes and kills pathogens.

Front

What is the function of the pyloric sphincter?

Back

To regulate the passage of chyme from the stomach to the small intestine.

Front

What are the three layers of muscle in the muscularis layer of the stomach?

Back

Longitudinal, circular, and oblique layers, aiding in the churning of food.

Front

What is the significance of intrinsic factor?

Back

It is necessary for the absorption of vitamin B12 in the intestines.