BN507 - MODULE 18 - GI SYSTEM EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++

BN507 - MODULE 18 - GI SYSTEM EXAM QUESTIONS AND

ANSWERS WITH COMPLETE SOLUTIONS GRADED A++


What are the main structures of the GI System

Oral cavity

Pharynx

Esophagus

Stomach

Small Intestine

Large Intestine

Anus

What are the accessory structures of the GI System?

Salivary glands

liver

gallbladder

pancreas

What are the layers of the GI tract wall?

mucosa (epithelium), submucosa, muscularis (smooth muscle), seros (fibrous CT)

What are the 6 digestive processess?

Ingestion

Mechanical Digestion

Chemical digestion

, Propulsion

Absorption

Defecation

Describe Ingestion

Putting food or drink into the mouth (voluntary)

Describe mechanical digestion

Chewing, crushing, grinding physically breaking down of food particles into smaller

pieces.

Describe chemical digestion

Breaking food into its smallest chemical components

Describe propulsion

the movement of substances along the GI Tract

Describe Absorption

Passage of digested products from the gastrointestinal tract into the blood and lymph

Describe Defecation

Elimination of indigestible material from the gastrointestinal tract

What are the digestive functions of the oral cavity?

Ingestion

Mechanical digestion

Chemical digestion

Propulsion

What are the structures of the oral cavity?

Teeth, lips, cheeks, tongue, salivary glands