The lower section of stomach that facilitates emptying the contents into the small intestine is called:
1. Cardia
2. Fundus
3. Corpus or body
4. Pylorus
The food mixes thoroughly with the acidic gastric juice of the stomach by the churning movements of its muscular wall and is called as:
1. Chyme
2. Chyle
3. Succus entericus
4. Bile
The part of the small intestine where maximum absorption takes place is lined by:
1. Squamous epithelium
2. Cuboidal brush bordered epithelium
3. Columnar brush bordered epithelium
4. Transitional epithelium
The intestinal enzymes require an alkaline pH to act. This is accomplished by the secretions of all the following except:
1. Goblet cells
2. Brunner’s glands
3. Parietal cells
4. Pancreas
Consider the following statements regarding the constituents of the human tooth:
I. Enamel is the hardest part of the tooth and is secreted by the ameloblasts
II. Dentin does not contain collagen and is secreted by odontoblasts
III. Cementum is a bone-like substance secreted by cementoblasts
IV. Pulp is called as the “nerve” of the tooth
The incorrect statement/s is/are:
1. II alone
2. IV alone
3. II and IV only
4. I and III only
Lipases can be activated by:
1. HCl
2. Secretions of Brunner’s glands
3. Bile
4. Cholecystokinin
The submucosa of the wall of intestine is composed of:
1. Simple epithelium
2. Stratified epithelium
3. Connective tissue
4. Smooth muscles
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
The gall bladder in humans:
1. Secretes bile
2. Releases bile into hepatic duct
3. Stores and concentrates bile
4. Secretes some lipase