Quiz on Human Structure & Function: Gastrointestinal System

What is the first organ of the alimentary tract?

• Esophagus

• Large intestine

• Mouth

• Stomach

Which layer of the gastrointestinal tract is responsible for secretion?

• Adventitia

• Muscularis propria

• Submucosa

• Mucosa

What type of epithelium is found in the mucosa for protective function?

• Ciliated epithelium

• Columnar epithelium

• Cuboidal epithelium

• Squamous epithelium

Which organ is NOT considered an accessory organ of the digestive system?

• Pancreas

• Liver

• Stomach

• Gall bladder

What is the function of the muscularis mucosa?

• Secretion of hormones

• Protection against pathogens

• Increase surface area for digestion

• Absorption of nutrients

What is the primary function of the submucosal plexus?

• Muscle contraction

• Nerve network

• Secretion of enzymes

• Absorption of nutrients

Which layer of the gastrointestinal tract is the outermost?

• Muscularis propria

• Submucosa

• Adventitia/Serosa

• Mucosa

What is the peritoneal cavity?

• Space in the small intestine

• Space between parietal and visceral layers

• Space between the stomach and intestines

• Space within the liver

Which peritoneal fold binds the small intestine to the posterior abdominal wall?

• Mesocolon

• Mesentery

• Lesser omentum

• Greater omentum

What is the process of ingestion?

• Taking food into the mouth

• Absorbing nutrients

• Defecating waste

• Secreting enzymes