Q. No.Lysozyme and thiocynate ions present in saliva:
1. hydrolyse amylose but not amylopectin
2. hydrolyse amylopectin but not amylase
3. help bacterial flora in oral cavity to thrive
4. are very important for oral hygiene
1. hydrolyse amylose but not amylopectin
2. hydrolyse amylopectin but not amylase
3. help bacterial flora in oral cavity to thrive
4. are very important for oral hygiene
Carbohydrates in the chyme are hydrolysed into disaccharides by:
1. Salivary amylase
2. Pancreatic amylase
3. Gastric amylase
4. Intestinal amylase
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Which of the following worm infection is unlikely to result in the inflammation of the intestinal tract?
1. tapeworm
2. threadworm
3. pin worm
4. filarial worm
The causes of indigestion include all except:
1. parasympathetic stimulation
2. anxiety
3. food poisoning
4. eating spicy food
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The mucus and bicarbonates present in the gastric juice play an important role in:
1. providing an alkaline medium for enzyme action.
2. lubrication and protection of the mucosal epithelium from excoriation by the highly
concentrated hydrochloric acid.
3. converting the bolus into a paste like chyme.
4. providing an acidic medium for enzyme action.
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Fats are broken down by lipases with the help of bile into:
1. Micelles
2. Chylomicrons
3. Di-andmonoglycerides
4. Diacyl glycerol and inositol phosphate
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The egestion of faeces to the outside through the anal opening (defaecation) is:
1. a voluntary process and is carried out by a mass peristaltic movement.
2. an involuntary process and is carried out by a mass peristaltic movement.
3. a voluntary process and is carried out by an anteperistaltic movement.
4. a voluntary process and is carried out by a peristaltic movement.
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Trypsinogen is activated by
1. an enzyme enterogastrone
2. a hormone enterogastrone
3. an enzyme, enterokinase
4. a hormone, enterokinase
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What prevents the back flow of faeces from caecum into the small intestine?
1. ileo-caecal valve
2. ileo-caecal sphincter
3. vermiform appendix
4. taenia coli muscle
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Identify the incorrect comparison of Kwashiorkor and Marasmus:
|
|
|
Kwashiorkor |
Marasmus |
|
1. |
Cause |
Protein deficiency with adequate energy intake |
Inadequate energy intake in all forms, including protein |
|
2. |
Age incidence |
Increases after 18 months |
Prior to age 1 |
|
3. |
Main clinical sign |
Muscular wasting and loss of subcutaneous fat |
Edema and ascites [abnormal buildup of fluid in the abdomen] |
|
4. |
Fatty infiltration in liver |
Common |
Not common |
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