The intestinal mucosal epithelium has goblet cells which secretes:
(1) Digestive enzymes
(2) Intestinal digestive enzymes
(3) Mucus
(4) Succus intericus
The secretion of the brush border cells along with secretions of goblet cells of present in mucosa of small intestine constitutes:
(1) Chyme
(2) Chyle
(3) Succus entericus
(4) Interstitial fluid
Which of the following statements is false?
(1) The breakdown of most of biomacromolecules occurs in duodenum
(2) Simple substances (digested foods) are absorbed in the jejunum and ileum
(3) Very significant digestive activity occurs in large intestine
(4) Undigested and unabsorbed substances are passed on to the large intestine
The undigested substance (faeces) enter into the ________ of large intestine through ________ valve which prevents backflow of faecal matter:
(1) Caecum, ileo-caecal
(2) Colon, ileo-colon valve
(3) Rectum, Recto-colonic
(4) Colon, pyloric valve
In addition to neural control, hormones also influence the:
(1) Gastric secretions
(2) Intestinal secretions
(3) Muscular activities of different parts of alimentary canal
(4) All are correct
Gastric juice does not contain:
(1) Lipase
(2) Rennin
(3) Protease
(4) Amylase
If for some reason the parietal cells of the gastric epithelium become partially non-functional, what is likely to happen?
(1) The pancreatic enzymes and specially the trypsin and lipase will not work efficiently
(2) The pH of stomach will fall abruptly
(3) Steapsin be more effective
(4) Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones
What are the tiny finger-like projections called that are inside the small intestine? These tiny finger-like projections absorb the nutrients form the food and send the vitamins, minerals, proteins, carbohydrates and fats into our bloodstream:
(1) Esophagus
(2) Arteries
(3) Villi
(4) Flagella
The initial step in the digestion of milk in infants is carried out by?
(1) Lipase
(2) Trypsin
(3) Rennin
(4) Pepsin
Which of the following cannot be the parasites of intestine?
(1) Tapeworm
(2) Pinworm
(3) Virus
(4) Threadworm