Release of pancreatic juice is stimulated by 

1. enterokinase

2. cholecystokinin

3. secretin

4. Both 2 and ;3

If pancreas is removed, the compound which remains undigested is 

1. carbohydrates

2. fats

3. proteins

4. All of these

Pancreas produces 

1. three digestive enzymes and one hormone

2. three digestive enzymes and two hormones

3. two digestive enzymes and one hormone

4. three digestive enzymes and no hormone

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

Which of the following glandular secretions involved in digestion would be most likely released initially as inactive precursors ?

1. protein-digesting enzymes
2. fat-solublizing bile salts

3. acid-neutralising bicarbonate

4. hormones such as gastrin