Vasoconstriction
decrease in gut motility
uterus contraction
decrease in pancreatic exocrine
secretion
Cholera toxin:
activates G protein, which activates adenylate cyclase. Elevated cAMP results in unrestricted chloride secretion
from villous crypts.
Iron is absorbed in upper small intestine. Iron absorption is increased with ascorbic
acid. The sulfate form contains more elemental iron per dosage
unit than gluconate.
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