Most potent vasopresser is:
Ganong 22 –456
Angiotensin I appears to function solely as the precursor of angiotensin II does not have any other established action. Angiotensin II- previously called hypertension or angiotonin- produces arteriolar constriction and a rise in systolic and diastolic blood pressure. It is one of the most potent vasoconstrictors known, being four to eight times as active as norepinephrine.
Angiotensin II
Renin.
Aldosterone.
Cortisole
Angiotensin II