Protection of mucosal epithelium from highly cone. HCI in stomach is performed by
A. HCO3– Ion
D. Intrinsic factor
[A] A and C only
[B] B only
[C] A and B only
[D] A, Band C only
Optimal pH for pepsin is
Which of the following is incorrect about gastric juice?
[A] Gastric juice of an infant contain Rennin
[B] Small amount of lipase is present
[C] Gastric juice is secreted by gastric glands
[D] Rennin doesn’t help in digestion of milk protein present in gastric juice of infant.
Which of the following is released in small intestine?
[A] Bile juice
[B] Pancreatic juice
[C] Intestinal juice
Bile and pancreatic juice is released in small intestine by
[A] Cystic duct
[B] Bile duct
[C] Pancreatic duct
[D] Hepatic-pancreatic duct
Select from the following the total number of enzyme secreted by the pancrease.
Trypsinogen, Amylase, Lipase, Pepsinogen, Prorennin, Maltase, Sucrase, Chymotrypsinogen,Procarboxypeptidase, Nucleases.
Trypsinogen is activated by
[D] Acidic pH
Which enzyme activates other enzymes in pancreatic juice?
Enterokinase is secreted by
[C] small intestine
[D] large intestine
Bile juice contains all except
[A] Bilirubin and biliverdin
[B] Bile salts and cholesterol
Which of the following is incorrect about bile?
[A] It contains bilirubin and biliverdin which is waste product.
[B] Bile salts in it help in emulsification of fats.
[C] Bile also activates lipases
[D] Bile contain digestive enzyme
Intestinal juice or succus entericus is formed by the secretion of
[A] goblet cells
[B] brush border cells lining mucosa
Enzymes like dipeptidases, lipases, nucleosidases, nucleotidases, maltase and sucrase are present in
[A] bile juice
[B] gastric juice
[C] pancreatic juice
[D] succus entericus
[A] is situated in mucosal layer
[B] is present in sub-mucosal layer
[C] secretes HCI
[D] helps in activation of gastric enzyme
Select the incorrect statement from the following:
[A] Succus entericus act on end products produced by pancreatic enzyme
[B] Final steps of digestion occur far away from the mucosal epithelial cells of the intestine
[C] The breakdown of bio macromolecule generally occurs in the duodenum region of small intestine
[D] Simple substance forms after digestion is absorbed mainly by jejunum and ileum.