Receptors Flashcards
Which receptors are cholinergic?
M2 and M3
Which receptors are adrenergic?
A1, A2, B1, B2
Are cholinergic receptors sympathetic or parasympathetic?
Parasympathetic
Are adrenergic receptors sympathetic or parasympathetic?
Sympathetic
What is the site of M2 receptors? What is their effect?
Cardiomyocytes and nerve endings of ventricular cells
Decrease HR and contractility
Where is the site of B1 receptors and what do they do?
Cardiomyocytes
Increase HR and contractility
Where is the site of M3 receptors and what do they do?
Coronary, skeletal and genital arterioles
Vasodilation
Where is the site of B2 receptors and what do they do?
Coronary and skeletal arterioles
Vasodilation
Where is the site of A1 and A2 receptors and what do they do?
Arterioles and veins in abdominal organs
Vasoconstriction