- 1(current)
Q. No.Series of ridges produced by folding of the wall of an organ such as seen in the stomach are called:
1. taenia coli
2. rugae
3. plicae circulares
4. crypts
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The opening of the stomach into the duodenum is guarded by:
1. Cardiac sphincter
2. Sphincter of Oddi
3. Pyloric sphincter
4. Ileocaecal sphincter
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Consider the following two statements:
I. Caecum is a small blind sac which hosts some symbiotic micro-organisms.
II. A narrow finger-like tubular projection, the vermiform appendix which is a vestigial
organ, arises from the caecum.
The correct statements are:
| 1. Only I | 2. Only II |
| 3. Both I and II | 4. None |
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Which layer in the wall of the gastrointestinal tract has an inner circular and outer longitudinal layer?
| 1. lamina propria | 2. muscularis mucosa |
| 3. submucosa | 4. muscularis |
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In the gastrointestinal tract, the layer of dense, irregular connective tissue or loose connective tissue that supports the mucosa, as well as joins the mucosa to the bulk of underlying smooth muscle and also contains blood vessels and a plexus is:
| 1. mucosa layer | 2. submucosa layer |
| 3. muscularis layer | 4. serosa (adventitia layer) |
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An innermost oblique muscle layer is present in the wall of:
| 1. Oesophagus | 2. Stomach |
| 3. Ascending colon | 4. Rectum |
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Villi are supplied with a network of capillaries and a large lymph vessel called the:
| 1. Portal vessel | 2. Lacteal |
| 3. Thoracic duct | 4. Cisterna chyli |
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| A. | Serosa | It is called as endomysium |
| B. | Muscularis | Has an inner circular and outer longitudinal layer |
| C. | Submucosa | Lacks blood supply |
| D. | Mucosa | Epithelial lining modified in various parts |
| 1. Only A and B | 2. Only B and D |
| 3. Only A and C | 4. Only B and C |
| A | B | C | |
| 1. | Rugae | Lacteal | Crypts |
| 2. | Haustration | Portal vein | Brunner’s gland |
| 3. | Villi | Lacteal | Crypts |
| 4. | Villi | Portal vein | Deep tubular gland |
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Assertion: The muscularis externa of the stomach is unique from other organs of the gastrointestinal tract.
Reason: It does not have the Auerbach’s or myeneteric plexus.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
- 1(current)
Q. No.
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