Digestive System Overview

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What is the medical term for the digestive tract?

Gastrointestinal tract (correct)

Enteral tract

Alimentary canal

Digestive tube

Which organ is not part of the small intestine?

Duodenum

Gallbladder (correct)

Jejunum

Ileum

What is the function of the pharynx in the digestive system?

Absorb nutrients

Secrete digestive juices

Digest food

Move food from mouth to esophagus (correct)

What is the term for the process by which the teeth chew food in the mouth?

Mastication Signup and view all the answers

What is the approximate duration for food to travel the length of the digestive tract?

24 - 36 hours Signup and view all the answers

Which organ does not belong to the digestive system?

Kidney Signup and view all the answers

What is the function of mucus in the digestive tract?

To coat and protect the lining of the digestive tract Signup and view all the answers

Which type of digestion involves the mastication and mixing of food?

Mechanical digestion Signup and view all the answers

What is the function of enteric sensory neurons in the digestive tract?

Detect changes in the chemical composition of digestive tract contents or detect mechanical changes Signup and view all the answers

Which neurotransmitter stimulates digestive tract motility and secretions?

Acetylcholine Signup and view all the answers

Which hormone helps regulate many digestive tract functions?

Gastrin Signup and view all the answers

What does the process of absorption involve?

Moving molecules out of the digestive tract and into the blood or lymphatic system Signup and view all the answers

What is the primary function of segmental contractions in the small intestine?

To propel food by moving it back and forth within the digestive tract Signup and view all the answers

What is the function of liver secretions in digestion?

Break down large lipids into much smaller droplets Signup and view all the answers

What is Hirschprung disease primarily caused by?

Absence of enteric neurons in the distal large intestine Signup and view all the answers

Digestive System Overview

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