Cephalic phase of gastric secretion is mediated by ______________?
A. Neuro hormones
B. Vagus
C. Hormones
D. Gastric
Physiology Mcqs
Most potent stimulus for secretin is______________?
Most potent stimulus for secretin is______________?
A. Dilattion of intestine
B. Acid chyme
C. Protein
D. Fat
Cholagogues are the substances, which cause______________?
Cholagogues are the substances, which cause______________?
A. Contraction of the gallbladder
B. Increase concentration of bile
C. Increase secretion of bile
D. Favours acidification of bile
Small intestinal peristalsis is controlled by _______________?
Small intestinal peristalsis is controlled by _______________?
A. Myentric plexus
B. Meissners plexus
C. Vagus nerve
D. Parasympathetic
Maximum secretory glands in stomach are________________?
Maximum secretory glands in stomach are________________?
A. Fundic glands
B. Pyloric glands
C. Gastric glands
D. Brunner’s glands
Vagal stimulation following intake of food does not affect secretion of_______________?
Vagal stimulation following intake of food does not affect secretion of_______________?
A. Stomach
B. Pancrease
C. Parotid
D. Gall bladder
Pepsinogen is activated by ___________________ ?
Pepsinogen is activated by ___________________ ?
A. Enterokinase
B. Low pH
C. Trypsin
D. Chymotrypsin
Pharyngeal phase of deglutition_____________?
Pharyngeal phase of deglutition_____________?
A. Is a reflex mechanism
B. Vocal cords are closed
C. Is a voluntary mechanism
D. A and B
Production of bile takes place in____________________?
Production of bile takes place in____________________?
A. The gall bladder
B. Kupffer cells
C. Hepatic duct
D. Hepatocytes
The most important function of hydrochloric acid in the stomach is_______________?
The most important function of hydrochloric acid in the stomach is_______________?
A. Destruction of bacteria
B. Neutralization of chyme
C. Activation of pepsinogen
D. Stimulation of pancreatic secretion