<prompt> Which of the following is the exact mechanism of action of NOIncrease in cAMPIncrease in CGMPIncrease in PGE2Increase in PGD4  <response>: Nitric oxide is produced by nearly every type of cell in the human body and one of the most impoant molecules for blood vessel health. Its a vasodilator, meaning it relaxes the inner muscles of your blood vessels, causing the vessels to widen. In this way, nitric oxide increases blood flow and lowers blood pressure 