Muscularis layer in the wall of the alimentary canal is formed by smooth muscles usually arranged into:-

1. an inner circular and an outer longitudinal layer.
2. an inner longitudinal and an outer circular layer.
3. both circular layers
4. both longitudinal layers

Concept Questions :-

Alimentary Canal: Oral Cavity & Teeth
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Which of the following gastric secretory cells is correctly matched with its secretion(s) ?

1. Chief cells - gastrin

2. parietal cells -- hydrochloric acid and intrinsic factor

3. enteroendocrine cells -- mucus and hormones

4. mucous cells -- pepsinogen and mucus

Concept Questions :-

Gastric Secretions
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Which cells of ‘Crypts of Lieberkuhn' secrete antibacterial lysozyme?

(a) Argentaffin cells
(b) Paneth oaks
(c) Zymogen cells
(d) Kupffer cells

Concept Questions :-

Peristalsis: Gland in Alimentary Canal
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A baby boy aged two years is admitted to play-school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?

(a) Incisors

(b) Canines

(c) Premolars

(d) Molars

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Which of the following options best represents enzyme composition of pancreatic juice?
(a) Amylase, peptidase, trypsinogen, rennin
(b) Amylase, pepsin, trypsinogen, maltase
(c) Peptidase, amylase, pepsin, rennin
(d) Lipase, amylase, trypsinogen ,procarboxypeptidase

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Which hormones do stimulate the production of pancreatic juice and bicarbonate?

(a) Angiotensin and epinephrine
(b) Gastrin and insulin
(c) Cholecystokinin and secretin
(d) Insulin and glucagon

Concept Questions :-

Gastric Secretions
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Which of the following guards the opening of hepatopancreatic duct into the duodenum ?

(a) Illeocaecal valve

(b) Pyloric sphincter

(c) Sphincter of Oddi

(d) Semilunar valve

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In the stomach, gastric acid is secreted by the:-
(a) parietal cells
(b) peptic cells
(c) acidic cells
(d) gastrin secreting cells

Concept Questions :-

Gastric Secretions
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The primary dentition in human differs from permanent dentition in not having one of the following type of teeth

(a) Canine                   

(b) Premolars

(c) Molars                   

(d) Incisors

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The enzyme that is not present in succus entericus is

(1) maltase

(2) nucleases

(3) nucleosidase

(4) lipase

Concept Questions :-

Intestinal Secretions
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