Q. No.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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The oxyntic or Parietal cells of the gastric mucosa secrete:
1. prorennin
2. pepsinogen
3. HCl and intrinsic factor
4. gastric lipase
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Identify the correct statement regarding Saliva:
1. Its secretion is increased by sympathetic nervous system.
2. It contains amylase, which digests 100 % starch.
3. It contains bactericidal lysozyme.
4. Its secretion is increased during sleep.
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Arrange the following events in chronological sequence [first to last]:
1. protein-coated triacylglycerols enter lacteals
2. triacylglycerol coated with protein
3. fatty acids and glycerol packaged into micelles
4. bile salts emulsify fats
5. lipase digests fat
1. 1,2,4,5,3
2. 2,5,4,3,1
3. 3,5,4,1,2
4. 4,5,3,2,1
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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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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 the structural and functional unit of liver?
1. Hepatic cells
2. Hepatic cord
3. Hepatic lobule
4. Hepatic lobe
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Which of the following statements is false?
1. The breakdown of most of biomacromolecules occurs in duodenum
2. Simple substances (digested foods) are absorbed in the jejunum and ileum
3. Very significant digestive activity occurs in large intestine
4. Undigested and unabsorbed substances are passed on to the large intestine
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Which of the following statements is incorrect?
| I. | Absorption of simple sugar, alcohol, some water and medicines takes place in stomach |
| II. | Maximum water absorption occurs in small intestine |
| III. | Small intestine is the major site of digestion and absorption of food |
| IV. | Fatty acid and glycerol are absorbed by lacteals |
| V. | Nothing is absorbed in mouth and large intestine |
1. I, IV and V
2. V
3. IV
4. II and III
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The absorbed substances finally reach the tissues which utilize them for their activities. This process is called:
| 1. Assimilation | 2. Emulsification |
| 3. Catabolism | 4. Digestion |
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