Asked in UHS MDCAT 2009 2009Moderate

At the junction between esophagus and the stomach there is a special ring of muscles called:

Correct answer: A. Cardiac Sphincter

  • A. Cardiac Sphincter
  • B. Esophageal Sphincter
  • C. Ileocolic Sphincter
  • D. Pyloric Sphincter

Explanation

Explanation:The junction between esophagus and stomach is known as cardiac sphincter. This option is not correct because esophageal sphincter refers to the upper esophageal sphincter located at the top of the esophagus, which helps to prevent air from entering the esophagus during breathing. This option is also incorrect because Ileocolic sphincter is located at the junction of the ileum (the final portion of the small intestine) and the colon (large intestine).This option is also incorrect because Pyloric sphincter is between the junction of stomach and duodenum.

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About Human Digestive System

The human digestive system breaks food into absorbable molecules through mechanical processing, enzyme action and chemical conditions along the alimentary canal. Questions cover the mouth, stomach, small and large intestines, liver, pancreas and associated secretions, including the digestion and absorption of carbohydrates, proteins, lipids, vitamins, minerals and water.

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