Lecture 1 - Revision Flashcards
What causes a reduction in the secretion of watery saliva?
Activation of the sympathetic nervous system
where are the most parietal cells found in the stomach?
in the body of the stomach
what are the GI accessory organs?
pancreas, liver, gallbladder
what is the function of the pancreas?
to make digestive enzymes that break down sugars, fats, starches etc
Why is disintegration of tablets important?
It reduces the particle size which increases the surface area
Which agonist’s stimulates acid secretion by gastric parietal cells?
Acetylcholine, Histamine and gastrin
What is the function of adenylyl cyclase?
It is an enzyme which converts ATP to cAMP
What does an increase in cAMP cause?
the activation of protein kinases in, which brings about the cellular response