GIT physiology review

1. Where is the myenteric plexus

• mucosa

• submucosa

• muscularis

• serosa

1. Segmental contraction happens in

• Large intestine

• Small intestine

• Stomach

• Esophagus

Which cells produce HCl

• Parietal cells

• Enterochromaffin like cells

• Chief cells

• G cells

We can’t digest

• Maltose

• Cellulose

• Fructose

• Galactose

Which phase inhibit HCl production

• Cephalic phase

• Gastric phase

• Intestinal phase

Histamine affects in gastric acid production as

• Neurocrine

• Endocrine

• Paracrine

• Autocrine

Vagus nerve secretes

• Acetylcholine

• Epinephrine

• Serotonin

• Histamine

H⁺ exits parietal cells through

• Active transport

• Passive transport

Bilirubin binds with albumin in the

• Spleen

• Hepatocytes

• Blood

• Small intestines

What do you understand the most from today’s class?

• Phases of gastric activity

• Gastric cells and its secretion

• Digestion of food types

• HCl production

• Bilirubin metabolism