Q. No.
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Our teeth are
1. Acrodont and homodont
2. Homodont and polyphyodont
3. Thecodont, diphyodont and heterodont
4. Acrodont, homodont and polyphyodont
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Which of the following is connected to the floor of the oral cavity by the frenulum?
| 1. oesophagus | 2. muscles of mastication |
| 3. lips | 4. tongue |
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| 1. epiglottis | 2. uvula |
| 3. frenulum | 4. adenoids |
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What regulates the opening of oesophagus into the stomach?
1. A membranous valve
2. A muscular sphincter
3. A mesodermal septum
4. A cartilaginous flap
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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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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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An innermost oblique muscle layer is present in the wall of:
| 1. Oesophagus | 2. Stomach |
| 3. Ascending colon | 4. Rectum |
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The term brush border refers to:
| 1. ciliated epithelium | 2. transitional epithelium |
| 3. microvilli | 4. villi |
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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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