Ai Questions

Emulsify fats and form micelles

What is the primary function of bile salts?

Beneath the right liver lobe

Where is the gallbladder located?

Cholecystokinin

Which hormone causes the gallbladder to contract?

Parietal cells

Which stomach cell secretes hydrochloric acid?

Acidic conditions

Protein digestion in the stomach requires:

Cephalic phase

Which phase of gastric secretion is triggered by sight/smell of food?

Stratified squamous

What type of epithelium lines the esophagus?

Mouth (buccal phase)

What initiates swallowing?

Help transport fat digestion products in a water-soluble form for absorption

What is the function of micelles in digestion?

Cephalic, Gastric, Intestinal

Name the three phases of gastric secretion.

Mucosa, Submucosa, Muscularis externa, Serosa (or adventitia)

What are the four layers of the GI tract wall?

Salivary amylase

What enzyme begins starch digestion in the mouth?

Pylorus

What structure controls food movement into the duodenum?

Store and concentrate bile

What is the main function of the gallbladder?

Liver

Bile is produced by the:

Pancreatic duct + bile duct

The hepatopancreatic ampulla is formed by the union of __?

Bile salts

Which substance in bile helps solubilize fat digestion products?

Chief cells

Which cells produce pepsinogen?

Hydrochloric acid (HCl)

What activates pepsinogen into pepsin?

Skeletal muscle only

What type of muscle is found in the upper esophagus?

Acid reflux into esophagus

The gastroesophageal sphincter prevents:

Parasympathetic stimulation

What increases saliva production?

Mucosa

Which layer of the GI tract is responsible for secretion and absorption?

Ingestion → propulsion → digestion → absorption → defecation

What is the correct order of digestive processes?

small intestine

Where does the process of segmentation occur?