Bolus is formed in

(1) Buccal cavity

(2) Oral cavity

(3) Pharynx

(4) More than one option is correct

Subtopic:  Digestive Secretions: Saliva |
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Bolus from oral cavity to ……... Oesophagus……..stomach. Which of the process/ movements are responsible for it?

(1) Deglutition and segmentation

(2) Deglutition and peristalsis

(3) Peristalsis and segmentation

(4) Peristalsis and deglutition

Subtopic:  Digestive Secretions: Saliva |
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Saliva does not has

(1) Lysozyme

(2) Carbohydrate splitting enzyme

(3) Protease

(4) Chloride ions

Subtopic:  Digestive Secretions: Saliva |
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Which of the following statement is not wrong about carbohydrate digestion?

(1) 30% of carbohydrate digestion occurs in mouth

(2) 30% of starch hydrolysis occurs in mouth

(3) 70% carbohydrate digestion occurs in small intestine.

(4) More than one options are correct.

Subtopic:  Digestive Secretions: Saliva |
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Intrinsic factor is secreted by

(1) Parietal cells/ chief cells

(2) Oxyntic/peptic cells

(3) Oxyntic / parietal cells

(4) Chief/ peptic cells

Subtopic:  Gastric Secretions |
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Which of the following is major product of chief cells?

(1) Pepsinogen

(2) Mucus

(3) HCl

(4) Vitamin B12

Subtopic:  Gastric Secretions |
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Find the wrong one.

(1) Churning movement- stomach

(2) Chyme- stomach

(3) Bolus- Mouth

(4) Stomach- storage of food for 2 to 3 hrs

Subtopic:  Gastric Secretions |
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Pepsin is

(1) Proteolytic enzyme

(2) Activated by HCl

(3) Converts proteins into peptones and peptides

(4) More than one option is correct.

Subtopic:  Gastric Secretions |
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HCl of stomach can damage mucosal epithelia of stomach but

(1) Mucus prevents it

(2) Mucus along with carbonate prevent it.

(3) Mucus+bicarbonate prevent it

(4) Only bicarbonate prevents it.

Subtopic:  Gastric Secretions |
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Which of the following is correct?

(1) Milk fats are digested by Rennin.

(2) A prolytic enzyme found in infants.

(3) Rennin is active at pH-1.8

(4) Lingual lipases are not present in gastric juice

Subtopic:  Gastric Secretions |
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