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, Major secretion of salivary gland - ANSWERSalivary amylase (Ptyalin)
What are the two types of gastric glands - ANSWERparietal and chief cells
Major secretion of chief cells - ANSWERpepsinogen
Major secretion of parietal cells - ANSWERHCl and intrinsic factor
Intestinal epithelium secretes - ANSWERbrush border enzymes (peptidases, lipases,
sucrase, lactase), secretin, and cholecystokinin
pancreas secretes - ANSWERbicarbonate-rich fluid containing amylase, trypsin,
chymotrypsin, and lipase into the duodenum when stimulated by secretin
Gallbladder secretes - ANSWERBile in response to stimulation of cholecystokinin (CCK)
Sympathetic nervous system activity is generally - ANSWERinhibitory to GI motility and
secretion.
Parasympathetic nervous system activity generally - ANSWERenhances GI motility
Which information is correct about the myenteric plexus?
•Another name for myenteric plexus is the Meissner plexus
•The myenteric plexus controls GI movement
•The location of the myenteric plexus is the submucosa
•The myenteric plexus controls GI secretion - ANSWERThe myenteric plexus controls
GI movement
What is the function of gastrin?
•Decreases gastric motility
•Stimulates release of histamine
•Increases growth hormone secretions
•Releases large amounts of alkaline juice - ANSWERStimulates release of histamine
Which information is correct regarding gastrointestinal motility?
•The SNS increases GI movement
•Propulsive movements are called haustral churning
•Segmented contractions chop and mix the chyme
•None of the above - ANSWERSegmented contractions chop and mix the chyme