Which group of three of the following five statements (A-E) contains all three correct statements regarding beri-beri ? 

A. A crippling disease prevalent among the native population of sub-Sahara Africa

B. A deficiency disease caused by lack of thiamine (vitamin-B,)

C. A nutritional disorder in infants and young children when the diet is persistently deficient in essential protein

D. Occurs in those countries where the staple diet is polished rice

E. The symptoms are pain from neuritis, paralysis, muscle wasting, progressive oedema, mental deterioration and finally heart failure

1. A, B and D

2. B, C and E

3. A, C and E

4 B, D and E

Secretion of gastric juice is stopped by 

1. gastrin

2. pancreozymin

3. cholecystokinin

4. enterogasterone

Emulsification of fat will not occur in the absence of 

1. lipase

2. bile salts

3. bile pigments

4. pancreatic juice

Wharton's duct is associated with 

1. sub-lingual salivary duct

2. parotid salivary duct

3. sub-maxillary salivary gland

4. Brunner's glands

Which of the following is mismatched ?

1. Vitamin-K           -- Beri-beri

2. Vitamin-D           -- Rickets

3. Vitamin-C            -- Scurvy

4. Vitamin-A            -- Xerophthalmia

Many of the pancreatic enzymes must be activated by trypsin before they can begin digesting food, but trypsin itself requires the activating effect of

(1) chymotrypsin

(2) carboxypeptidase

(3) phospholipase

(4) enterokinase

Gastric secretion is stimulated by all except

(1) Secretin

(2) Gastric distension

(3) Gastrin

(4) Vagal stimulus

The portion of human stomach into which the oesophagus opens is the:-
1. Cardiac
2. Fundus
3. Corpus
4. Pylorus

Muscularis layer of the wall of the alimentary canal is formed by:-

1. Smooth muscle arranged into an inner longitudinal and an outer circular layer

2. Smooth muscle arranged into an inner circular and an outer longitudinal layer

3. Skeletal muscle arranged into an inner longitudinal and an outer circular layer

4. Skeletal muscle arranged into an inner circular and an outer longitudinal layer

The optimum pH for the enzyme salivary amylase is:

(1) 4.5

(2) 6.8

(3) 7.3

(4) 8.2