Adrenalin and Norepinephrine

Question

Adrenalin and norepinephrine
A)have an effect similar to glucagon.
B)are antagonists to glucagon.
C)have the same effect as calcitonin.
D)are antagonists to calcitonin.

Accepted Answer

Adrenalin and norepinephrine have an effect similar to that of glucagon. They both stimulate glycogenolysis (breakdown of glycogen to glucose) and gluconeogenesis (formation of glucose from non-carbohydrate precursors) in the liver, leading to an increase in blood glucose levels.