Succus entericus is composed of:
1. The secretions of the brush border cells of the mucosa along with the secretions of the goblet cells
2. The secretions of the liver and the secretions of the Brunner’s glands
3. The saliva mixed with the secretions of the Brunner’s glands and the pancreatic mucoid secretions
4. The secretions of the large intestinal crypts and the mucus glands lining the alimenatary canal
Lipases can be activated by:
1. HCl
2. Secretions of Brunner’s glands
3. Bile
4. Cholecystokinin
Villi are supplied with a network of capillaries and a large lymph vessel called the:
1. Portal vessel | 2. Lacteal |
3. Thoracic duct | 4. Cisterna chyli |
The duct of gall bladder (cystic duct) along with the hepatic duct from the liver forms the:
1. Common hepatopancreatic duct
2. Duct of Rivinus
3. Wharton’s duct
4. Common bile duct
Proteolytic enzymes found in stomach of an infant include:
I. Rennin
II. Pepsin
III. Tyrpsin
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
Succus entericus contains all the following except:
1. disaccharidases
2. dipeptidases
3. lipases
4. nucleases
The pH optimal for pepsin is:
1. 1.8
2. 3.8
3. 6.8
4. 7.8
The proenzyme pepsinogen gets converted into the active enzyme pepsin on exposure to:
1. HCl
2. Enterokinase
3. Enterogastrone
4. Bile
The opening of the stomach into the duodenum is guarded by:
1. Cardiac sphincter
2. Sphincter of Oddi
3. Pyloric sphincter
4. Ileocaecal sphincter
Which of the following would not be classified as an accessory digestive gland?
1. Liver
2. Crypts of Lieberkuhn
3. Pancreas
4. Salivary glands