This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Vasoconstrictor anong these ? \nSelect and explain. \nA. NO, B. PGI2, C. Angiotensin-II, D. ANP', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Angiotensin-IIImpoant chemical regulator of CVS are :Vasoconstrictors : Noradrenaline, Adrenaline, ADH (vasopressin), angiotension II, Endothelins, PGF2, thromboxane A2.Vasodilators : Kinins (Bradykinin, lysyl-bradykinin), PGE,, PGL (prostacyclin), VIP, ANP, Nitric oxide (NO)", 'role': 'assistant'}]