[CVS] Q.13) Name the vasodilator and vasoconstrictor agents.

Ans.
a. Vasodilator:

• -NO, kinins, prostacyclin, ANP, histamine, VIP,
• -↑ CO₂ , ↓O₂ , ↑ local temperature, ↓ local P ^H

b. Vasoconstrictor:

• -Angiotensin ІІ, epinephrine, nor-epinephrine, endothelin-1, thromboxaneA₂
• - ↓local temperature