Layers of Esophagus

Q.

What Are the four layers of tissues in the stomach?

Q. The plexus that mainly controls the gastrointestinal movements is:

1. Meissner’s plexus
2. Auerbach’s plexus
3. Submucosal plexus
4. None of the above

Q.

Identify the following parts labeled 1, 2, 3 and 4.

1. 1. Muscularis 2. Submucosa 3. Mucosa 4. Serosa

2. 1. Serosa 2. Muscularis 3. Submucosa 4. Mucosa

3. 1. Submucosa 2. Mucosa 3. Serosa 4. Muscularis

4. 1. Mucosa 2. Serosa 3. Muscularis 4. Submucosa

Q. Match the following with their correct options according to their presence in different layers of GIT:

1. Mesothelium
2. Myenteric plexus
3. Meissner's plexus
4. Lamina propria

Q. Plexus of Meissner is

1. a network of neurons
2. present in muscularis
3. responsible for the digestion of proteins
4. an enzyme

Q.

Rearrange the layers of the Esophagus in order, oriented from the outer layer to the inner layer: Mucosa ;Serosa ; Muscularis ; Submucosa

1. Serosa $\to$ Muscularis$\to$ Submucosa $\to$ Mucosa

2. Muscularis $\to$Submucosa $\to$ Mucosa $\to$ Serosa

3. Mucosa $\to$Serosa $\to$Muscularis $\to$Submucosa

4. Submucosa $\to$Mucosa $\to$ Serosa $\to$Muscularis

Q. Circular muscle in the muscularis layer of the oesophagus

1. decreases the length of the tract.
2. increases the calibre of the tract.
3. decreases the calibre of the tract.
4. prevents the backflow of food.

Q. Read the following statement with two blanks I and II. Select the correct option given.

Skin is acting as ________I__________ because of the presence of ________II_________.

1. I - cytokine barrier, II - fats
2. I - physical barrier, II - epidermis
3. I - physiological barrier, II - hypodermis
4. I - physical barrier, II - oils