The parietal cells or the oxyntic cells located in the stomach's gastric pits mainly secrete:-
1. HCI and Intrinsic factor
2. Pepsinogen and Gastric lipase
3. Pepsinogen and Pro-rennin
4. Gastrin and Mucus

Concept Questions :-

Gastric Secretions
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The mucosal layer in the stomach form irregular folds known as:-
1. villi
2. lumen
3. rugae
4. crypts of Lieberkuhn

Concept Questions :-

Peristalsis: Gland in Alimentary Canal
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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

Concept Questions :-

Mmovement of Food in Gut
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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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