Which statement is correct with reference to chylomicron?

1. They are end products of fat digestion

2. The reconstructed triglycerides in the intestinal cells combine with phospholipids and cholesterol and are released into lymph in the form of protein-coated fat droplets called chylomicrons

3. This is the form in which digested fats are absorbed into intestinal cells

4. These are short chains of fatty acids absorbed directly into blood by diffusion

Subtopic:  Absorption |
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Match the following disorders with their characters

      Column I          Column II
(a) Constipation (i) Abnormal frequency of bowel 
movement and increased
liquidity of the faecal
discharge
(b) Indigestion  (ii) A reflex action (feeling of
nausea)
(c) Vomiting    (iii) Faeces are retained within 
the rectum as the bowl
movements occur irregularly
(d) Diarrhoea (iv) Feeling of fullness due to 
anxiety, food poisoning and  
overeating

a b c d
1  (iv)  (ii)  (iii)  (i)
2  (iii)  (iv)  (ii)  (i)
3  (i)  (iii)  (ii)  (iv)
4  (i)  (iv)  (iii)  (ii)
Subtopic:  Disorders of Digestive System |
 90%
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Which of the following is not present in the mucosa of 

intestine?

(1) Crypts of Lieberkuhn

(2) Brunner's gland

(3) Intestinal gland

(4) All are present in the mucosa of the intestine

Subtopic:  Intestinal Secretions |
 66%
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Which of the following is not a correct match of 

the substrate, the enzyme acting upon it and the 

end product?

(1) Starch Amylase Maltose Maltase Glucose

(2) Protein Pepsin Peptones/Proteoses

     Carboxypeptidase Dipeptides

(3) Triglycerides Lipase Diglycerides Lipase

      Monoglycerides

(4) Peptones/Proteoses Trypsin Dipeptides

     Enterokinase Amino-acids

Subtopic:  Gastric Secretions |
 72%
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Which of the following enzyme present in saliva acts as an antibacterial agent that prevents infection?

1. Salivary amylase

2. Thiocyanate

3. Lysozyme 

4. Chitinase

Subtopic:  Digestive Secretions: Saliva |
 86%
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Which of the following is not a characteristic feature regarding protein energy malnutrition, marasmus?

(1) It is produced by a simultaneous deficiency of proteins and calories

(2) It is found in infant less than a year of age

(3) Patient shows wasting of muscles, thining of limbs, failure of growth and brain development

(4) Some fat is left under the skin of patient,extensive oedema and swelling of body parts are seen 

Subtopic:  Protein Energy Malnutrition |
 81%
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Stomach is the site of absorption of 

(1) Simple sugars

(2) Water 

(3) Alcohol

(4) All of these

Subtopic:  Absorption |
 89%
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Which of the following is true about digestion and 

absorption of food?

(1) Trypsin, chymotrypsin and carboxypeptidase

     are brush border enzymes

(2) The chemical process of digestion is initiated

      in the oral cavity. About 60% Starch is 

      hydrolysed here by salivary amylase to form

      maltose

(3) Rennin is a proteolytic enzyme found in gastric 

     juice of infants. Small amount of lipases are 

     also secreted by the gastric glands

(4) If breast feeding is replaced by less nutritive

     food low in proteins and calories, the infants

     below the age of one year will suffer from 

     Kwashiorkar

 

 

Subtopic:  Gastric Secretions |
 76%
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What will happen if bile duct gets blocked?

(1) Faces become dry 

(2) Acidic chyme will not be neutralised

(3) There will be little digestion in intestine

(4) Little absorption of fats will occur

Subtopic:  Bile |
 60%
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Vitamin B12 is absorbed by the help of secretions 

of which cells of stomach?

(1) Goblet cells 

(2) Parietal cells

(3) peptic cells

(4) Chief cells

Subtopic:  Gastric Secretions |
 84%
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