Stomach Physiology Quiz

What type of epithelium is found in the stomach mucosa?

• Simple squamous epithelium

• Stratified squamous epithelium

• Simple columnar epithelium

• Transitional epithelium

What do mucous cells in the stomach produce?

• Hydrochloric acid

• Bicarbonate-rich alkaline mucus

• Pepsinogen

• Gastrin

What is the role of intrinsic factor produced by gastric glands?

• Digestion of proteins

• Absorption of vitamin B12

• Production of hydrochloric acid

• Secretion of gastrin

Which cells produce protein-digesting enzymes in the stomach?

• Parietal cells

• Chief cells

• Enteroendocrine cells

• Mucous neck cells

What do parietal cells in the stomach secrete?

• Pepsinogen

• Hydrochloric acid

• Gastrin

• Alkaline mucus

What type of mucus do mucous neck cells produce?

• Thick basic mucus

• Thin acidic mucus

• Bicarbonate-rich mucus

• Neutral mucus

What hormone is produced by enteroendocrine cells?

• Pepsinogen

• Hydrochloric acid

• Gastrin

• Intrinsic factor

What is the function of gastrin in the stomach?

• Neutralizes stomach acid

• Triggers release of gastric juice

• Absorbs vitamin B12

• Produces protein-digesting enzymes

What is the nature of gastric juice secretion?

• Endocrine

• Exocrine

• Autocrine

• Paracrine

Why is vitamin B12 important?

• For protein digestion

• For RBC production

• For mucus production

• For hormone secretion