Semi finals DIGESTIVE SYSTEM

Question 1

3 parts of the digestive system

Answer 1

Oral cavity
Alimentary Canal or Tract
Associated Glands

Question 2

Give the function of oral cavity

Answer 2

Ingestion of food
Breakdown of food
Deglutition or swallowing of food

Question 3

It is the continuation of the oral cavity

Answer 3

Alimentary Canal or Tract

Question 4

The lumen of alimentary canal is lined by the epithelium (the outer layer)

Answer 4

Mucosa of Alimentary Tract

Question 5

Deep in a loose connective tissue known as the

Answer 5

Lamina propria

Question 6

Surrounded by the dense irregular fibroelastic connective tissue

Answer 6

Submucosa of AT

Question 7

In submucosa The layer houses through the glands except _______ and _______

Answer 7

Esophagus and Duodenum

Question 8

In submucosa you will see the glands and lymp vessels known as the

Answer 8

Meissner’s submucosal plexus

Question 9

Usually composed of the inner circular and outer longitudinal smooth muscle layer

Answer 9

Muscularis Externa

Question 10

Composed of thick muscular layer responsible for peristaltic activity or contraction

Answer 10

Muscularis Externa

Question 11

It is the region of alimentary canal which is intraperitoneal invested by peritoneum covering

Answer 11

Adventitia / Serosa

Question 12

It adheres the body wall and has a dense irregular connective tissue component

Answer 12

Adventitia or Serosa

Question 13

Musculomembranous that has approximately 25 cm length that conveys the bolus from the oral pharynx to the stomach

Answer 13

Esophagus

Question 14

It is lined with non keratinized stratified squamous epithelium

Answer 14

Esophagus Mucosa

Question 15

Contains small mucus secreting gland, the esophageal glands

Answer 15

Esophagus Submucosa

Question 16

Composed of stratified squamous epithelium

Answer 16

Esophageal Mucosa

Question 17

It is connected to the fibroelastic lamina propria and a smooth muscle layer composed of the muscularis mucosa

Answer 17

Esophageal Mucosa

Question 18

Has the basal cell which is composed of mucous cell and serous cell

Answer 18

Esophagus SUBMUCOSA

Question 19

Flattened apical nuclei with mucinogen granules

Answer 19

Mucos Cell

Question 20

Round and central nuclei

Answer 20

Serous Cell

Question 21

The secretory granules in the serous cells known as the

Answer 21

Pepsinogen

Question 22

The anti-bacterial agent of the serous cells is called

Answer 22

Lysozyme

Question 23

Composted of skeletal and smooth muscle cells

Answer 23

Esophagus Muscularis Externa

Question 24

2 layers of Muscularis Externa in Esophagus

Answer 24

Inner circular muscle layer
Outer longitudinal muscle layer

Question 25

Three histological regions of stomach

Answer 25

Cardia
Fundus and Body
Pylorus

Question 26

Constitue the most extensive region in the stomach

Answer 26

Fundus and Body

Question 27

The Mucosal surface of the Stomach

Answer 27

Simple columnar epithelium

Question 28

Invaginates deeply into the lamina propria– these invaginations are called

Answer 28

Gastric Pits

Question 29

The mucosa of empty stomach exhibits temporary folds called

Answer 29

Rugae

Question 30

The lamina propria of the Esophagus continues into the lamina propria of the stomach, where it becomes Filled with _________ and diffused

Answer 30

Gastric Glands
Lymphatic tissue

Question 31

Two distinct cell types can be identified in the gastric glands

Answer 31

Acidophilic Parietal cells (Oxytic Cells)
Basophilic Chief cells ( zymogenic cells)

Question 32

Located in the upper portion of the glands

Answer 32

Acidophilic Parietal cells