The muscular activities of different parts ofthe alimentary canal can also be moderated by neural mechanisms that involve:
I. local mechanisms
II. through CNS

1. I only
2. II only
3. Both I and II
4. Neither I nor II

Diarrhoea is most likely to affect most the process of:
1. Ingestion of food
2. Passage of food through the upper alimentary canal
3. Digestion of the food in the large intestine
4. The absorption of food

Hormonal control of the secretion of digestive juices is carried out by:
1. local hormones produced by the gastric and intestinal mucosa
2. hypothalamic hormones
3. hormones of the anterior pituitary gland
4. hormones of adrenal cortex

To move into the intestinal mucosa, fatty acids and glycerol are first incorporated into:
1. Phospholipids
2. Micelles
3. Chylomicrons
4. Chenodeoxycholic acid

The absorbed substances into the body finally reach the tissues which utilise them for their activities. This process is called:
1. Catabolism
2. Anabolism
3. Assimilation
4. Ingestion

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

Carbohydrates in the chyme are hydrolysed into disaccharides by:
1. Salivary amylase
2. Pancreatic amylase
3. Gastric amylase
4. Intestinal amylase

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

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.