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
Production of bile takes place in____________________?
(A) The gall bladder
(B) Kupffer cells
(C) Hepatic duct
(D) Hepatocytes
Pharyngeal phase of deglutition_____________?
(A) Is a reflex mechanism
(B) Vocal cords are closed
(C) Is a voluntary mechanism
(D) A and B
Parietal cells of gastric mucosa secrete ______________ ?
(A) Hcl
(B) Gastrin
(C) Mucin
(D) All of the above
The only sugar normally absorbed in the intestine against a concentration gradient is_____________?
(A) Xylose
(B) Mannose
(C) Glucose
(D) Galactose
Secretin does not cause _______________?
(A) Bicarbonate secretion
(B) Augments the action of CCK
(C) Contraction of pyloric sphincter
(D) Gastric secretion increase
Gastric secretion is stimulated by all the following except_____________?
(A) Secretin
(B) Gastric distension
(C) Gastrin
(D) Vagal stimulus
Pancreatic juice rich in water and electrolytes but poor in enzymes is secreted in response to ______________?
(A) Pancreatozymine
(B) Cholecystokinin
(C) Secretin
(D) Proteins
Urine urobilinogen is absent in_______________?
(A) Obstructive jaundice
(B) Viral hepatitis
(C) Hemolytic jaundice
(D) All of the above