The foods we eat have bacteria in it, and once it reached the stomach, it is introduced to acid that helps in killing them and easing digestion of foods. Gastric acid can at times be excreted in excess or low volumes due to a number of reasons. How much do you know about gastric acid secretion? Take up the quiz below and get to find out!
An increased acid secretory response to cephalic stimuli e.g. site and taste of food
A decreased release of gastrin in response to digestion protein
A decreased acid secretory response to distension of the stomach
An increased release of somatostatin
An increased acid secretory response to histamine
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Gastrin Releasing Peptide
Histamine
Secretin
Somatostatin
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Increased acid secretion - decreased gastrin
Increased acid secretion - increased gastrin
Decreased acid secretion - increased gastrin
Decreased acid secretion - Unchanged gastrin
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Vasoactive intestinal polypeptide
Nitric oxide
Substance P
Gastrin Releasing Peptide
Norepinepherine
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Decreased
Increased
Unchanged
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No effect on the volume of gastric secretion
An Increased concentration of H+ in the gastric secretion
A decreased concentration of Na+ in the gastric secretion
An increase in the H+ concentration of the portal vein blood
A depolarization of the potential difference across the stomach
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After a meal high in fat
After a meal high in Protein
After a meal high in starch
In between meals
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At lunch time while deciding which meal to eat
About one hour after eating the meal
Five minutes after eating the meal
Two to three hours after eating the meal
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The Volume of the parietal component increases
The concentration of H+ being secreted by the parietal cells increases
The volume of the non-parietal component decreases
The secretion of Na+ is inhibited
The secretion becomes hypertonic
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