یک سوال خوب Which of the following statements about the mechanism of action of adrenaline in the body is correct? (1) Adrenaline causes constriction of peripheral blood vessels and increases blood pressure, and this effect is due to an increase in cAMP levels in vascular cells. (2) Adrenaline binds to beta-adrenergic receptors and increases calcium levels in cardiac muscle cells, which results in decreased contraction strength of the heart. (3) Adrenaline increases blood glucose levels through the activation of the glycolysis enzyme in liver cells. (4) Adrenaline binds to alpha-adrenergic receptors and causes dilation of coronary vessels, resulting in increased blood flow to the heart.
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