Human Digestive System Functioning Quiz

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What is the function of a Parietal Cell in the stomach?

Production of hydrochloric acid (correct)

Facilitation of water absorption

Absorption of nutrients and minerals

Secretion of digestive enzymes

Which part of the small intestine is responsible for most of the absorption of nutrients?

Pylorus

Duodenum

Ileum

Jejunum (correct)

What is the pH range of the stomach, making it acidic in nature?

1-2 (correct)

4-5

8-9

6-7

Which substance is produced by Parietal Cells and combines with vitamin B12 for absorption?

Intrinsic factor Signup and view all the answers

Which part of the stomach is known as the outlet portion?

Antrum Signup and view all the answers

What happens if a patient's parietal cells are destroyed?

Decreased intrinsic factor levels Signup and view all the answers

What is the primary function of the diaphragm?

Relax to prevent regurgitation Signup and view all the answers

Where is the esophagus located in relation to the spine?

Anterior Signup and view all the answers

What is a common symptom of a hiatal hernia?

Difficulty swallowing Signup and view all the answers

Which part of the gastrointestinal tract is most affected by a hiatal hernia?

Esophagus Signup and view all the answers

What regulates the closure and opening of the Lower Esophageal Sphincter (LES)?

Diaphragm Signup and view all the answers

What is the primary function of the small intestine?

Absorb nutrients from food Signup and view all the answers

What is the main function of the stomach in the digestive system?

Storage and secretion of digestive fluid Signup and view all the answers

Which part of the stomach acts as the main storage area?

Corpus Signup and view all the answers

What is the Paraoesophageal Hiatus Hernia associated with?

Esophagus Signup and view all the answers

Where is the gastroesophageal junction located?

Inlet to the stomach Signup and view all the answers

What is Chyme in relation to the digestive system?

Partially digested food mixed with gastric secretion Signup and view all the answers

What is the function of the lower esophageal sphincter?

Regulate passage of food from the esophagus to the stomach Signup and view all the answers