Q. No.Identify A, B, C and D in the given diagram of human tooth:
A
B
C
D
1.
Enamel
Dentin
Pulp
Cementum
2.
Dentin
Enamel
Pulp
Cementum
3.
Cementum
Dentin
Pulp
Enamel
4.
Enamel
Pulp
Dentin
Cementum
I: A is a sphincter that prevents reflux of acidic gastric content into the oesophagus.
II: B region has a sphincter that regulates the entry of chime into the duodenum.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
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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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I: Premolars are absent from temporary dentition.
II: The sockets will be present in mandible and maxillary bone.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
I. A secretes bile
II. B stores and concentrates bile
III. C is the site of maximum absorption of the end products of digestion
IV. D is the part where faeces are stored
| 1. I, II and III only | 2. I, II and IV only |
| 3. II, III and IV only | 4. I, II, III and IV |
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I. Parietal cells secrete pepsinogen.
II. Chief cells secrete HCl and Intrinsic Factor.
III. G cells secrete gastrin, a hormone.
| 1. Only I and II | 2. Only III |
| 3. Only II | 4. I, II and III |
| 1. Succus entericus | 2. Enterogastrone |
| 3. Enterokinase | 4. Motilin |
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| 1. A | 2. B |
| 3. C | 4. D |
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1. Lactase
2. Aminopeptidase
3. Sucrase
4. Nuclease
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