GORD

Question 1

What is the function of Intrinsic Factor produced in the stomach?

Answer 1

Allows absorption of Vitamin B12 in the terminal ileum

Question 2

What is the function of the drug ‘Omeprazole’ on the GI tract?

Answer 2

Inhibition of Proton Pump to reduce acid secretion

Question 3

Which type of histamine is found in the gastric parietal cells?

Answer 3

Histamine 2

Question 4

What do D cells produce?

Answer 4

Somatostatin

Question 5

Where does the Common Bile Duct drain into?

Answer 5

Duodenum

Question 6

How do non steroidal anti inflammatory drugs (NSAIDs) irritate the stomach?

Answer 6

By inhibition of gastrointestinal mucosal cyclo-oxygenase (COX) activity

Question 7

How many layers of muscle are present in the stomach wall?

Answer 7

3

Question 8

What is the action of the proton pump in the parietal cells of the stomach?

Answer 8

K+ into cell, H+ out of cell

Question 9

Which of the following vessels supplies arterial blood to the Jejunum?

Answer 9

Superior mesenteric artery

Question 10

Porta hepatis

Answer 10

Left and right hepatic arteries
Portal vein
Hepatic branch of vagus nerve
Left and right hepatic ducts

Question 11

What is the change in cell-type (‘metaplasia’) seen in the lower oesophagus after prolonged reflux of acid?

Answer 11

Stratified squamous to columnar

Question 12

Vagus nerve

Answer 12

part of the parasympathetic system and releases acetylcholine onto parietal cells

Question 13

What is secreted by enterochromaffin cells?

Answer 13

Histamine

Question 14

What is the first location that Fat is acted upon by Lipase enzymes when passing through the GI tract?

Answer 14

Oral cavity

Question 15

What is secreted by G cells?

Answer 15

Gastrin

Question 16

What is secreted by chief cells?

Answer 16

Pepsinogen