Grand Tour of Alimentary Canal

Question 1

Functions of Digestive System (4)

Answer 1

1. Digestion
2. Secretion
3. Absorption
4. Motility

Question 2

Which organ stores and concentrates bile?

Answer 2

Gallbladder

Question 3

Where are faeces formed?

Answer 3

Large intestine

Question 4

Epithelium in Mouth, Oesophagus and Anal Canal?

Answer 4

Stratified Squamous

Question 5

Epithelium in Stomach, Small and Large Intestine

Answer 5

Simple Columnar

Question 6

What type of tissue is Lamina Propria?

Answer 6

Loose Connective Tissue

Question 7

What type of tissue is Muscularis Mucosae?

Answer 7

Thin Smooth Muscle

Question 8

What type of tissue is Submucosa

Answer 8

Irregular Connective Tissue

Question 9

Neurones in Submucosa form what?

Answer 9

Submucosal Meissners Plexus

Question 10

Where are submucosal glands found?

Answer 10

Oesophagus and Duodenum

Question 11

Where does Serosa/Adventita attach outside peritoneal cavity?

Answer 11

oesophagus and rectum

Question 12

Where does Serosa/Adventita attach inside peritoneal cavity?

Answer 12

small intestine, stomach and large intestine

Question 13

Muscularis externa has how many layers of smooth muscle?

Answer 13

Two

Question 14

Muscularis externa inner muscle made up of and function

Answer 14

circular muscle which constricts lumen

Question 15

Muscularis externa outside muscle made up of and function

Answer 15

longitudinal muscle which shortens tube

Question 16

muscularis externa function? (3)

Answer 16

motility, peristalsis and segmentation

Question 17

Where is myenteric (Auerbach) plexus found?

Answer 17

between inner and outer layers of muscularis externa

Question 18

Submucosal and Myenteric plexuses make up what type of nervous system?

Answer 18

Enteric nervous sytem

Question 19

Autonomic Control of Alimentary system is sympathetic or parasympathetic?

Answer 19

Parasympathetic with short ENS reflexes

Question 20

Which nerve is involved in parasympathetic innervation of GI?

Answer 20

Vagus except for salivation

Question 21

Which two nerves are involved in GI innervation for salivation?

Answer 21

Facial and Glossopharyngeal

Question 22

Facial and Glossopharyngeal nerves in GI do what to secretion and motility

Answer 22

increases

Question 23

what sympathetic nerve involved in GI innervation?

Answer 23

Splanchnic Nerve

Question 24

What does Splanchnic nerve do in GI innervation

Answer 24

Inhibitory but not salivation

-Decreases Secretion and Motility

Question 25

What does Splanchnic nerve do in GI innervation for secretion and motility

Answer 25

Decreases

Question 26

Which three arteries come off the descending abdominal aorta

Answer 26

Celiac Trunk Superior Mesenteric Artery Inferior Mesenteric Artery

Question 27

The celiac trunk supplies which four organs

Answer 27

Stomach Small intestine Pancreas Liver

Question 28

The superior mesenteric artery supplies which four organs

Answer 28

Small Intestine Caecum Ascending Colon Transverse Colon

Question 29

The inferior mesenteric artery supplies which three organs

Answer 29

Descending Colon Sigmoid Colon Rectum

Question 30

Stomach is drained by which vein

Answer 30

Gastric Vein

Question 31

Pancreas is drained by which vein

Answer 31

Splenic Vein

Question 32

Small intestine, caecum, ascending colon and transverse colon are drained by which vein

Answer 32

superior mesenteric vein

Question 33

descending colon, sigmoid colon and rectum are drained by which vein

Answer 33

inferior mesenteric vein

Question 34

the superior mesenteric vein drains to which vein

Answer 34

hepatic portal vein

Question 35

the hepatic portal vein drains to which vein

Answer 35

hepatic vein

Question 36

hepatic vein drains to which vein

Answer 36

inferior vena cava