Q. No.The initial step in the digestion of milk in humans is carried out by
1. Lipase
2. Trypsin
3. Rennin
4. Pepsin
1. Lipase
2. Trypsin
3. Rennin
4. Pepsin
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Which of the following is NOT directly dependent on a person's adequate protein intake?
1. Formation of enzymes
2. Formation of glycogen stores in the liver
3. Production of antibodies in the immune system
4. Production of muscle tissue.
Which cells of "Crypts of Lieberkuhn" secrete antibacterial lysozyme?
1. Paneth cells
2. Zymogen cells
3. Kupffer cells
4. Argentaffin cells
Which of the following processes occurring in the stomach is autocatalysis?
1. Low pH denaturing the proteinaceous substances in food.
2. Low pH activating pepsinogen to pepsin.
3. Absorption of monomeric molecules in the chyme.
4. Pepsin activating more pepsinogen molecules.
The vomiting center in human beings is located in:
1. Pons Varolii
2. Medulla oblongata
3. Hypothalamus
4. Cerebrum
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Amongst the enteroendocrine cells, histamine is secreted by:
1. Enterochromaffin cells
2. Enterochromaffin like cells
3. I cells
4. D cells
Marasmus is not characterized by:
1. Inadequate energy intake in all forms, including proteins
2. Loss of muscle mass and subcutaneous fat
3. Edema
4. an occurrence prior to age of 1 year
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Sufficient calorie intake but with insufficient protein intake, edema and an enlarged liver with fatty infiltrates characterize the disorder:
1. Kwashiorkor
2. Marasmus
3. Bulimia
4. Anorexia nervosa
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The part of the small intestine where maximum absorption takes place is lined by:
1. Squamous epithelium
2. Cuboidal brush bordered epithelium
3. Columnar brush bordered epithelium
4. Transitional epithelium
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