Trypsinogen is activated by
1. an enzyme enterogastrone
2. a hormone enterogastrone
3. an enzyme, enterokinase
4. a hormone, enterokinase
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
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 |
The gross calorific value for carbohydrates is:
1. 4.0 kcal/g
2. 4.1 kcal/g
3. 5.65 kcal/g
4. 9.45 kcal/g
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.
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
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.
The causes of indigestion include all except:
1. parasympathetic stimulation
2. anxiety
3. food poisoning
4. eating spicy food
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
Carbohydrates in the chyme are hydrolysed into disaccharides by:
1. Salivary amylase
2. Pancreatic amylase
3. Gastric amylase
4. Intestinal amylase