<prompt> Decrease in contributing factor in chronic hypeension is associated withAldosteroneAngiotensin IINitric oxideReduced sympathetic nerve  <response>: Twofold increase in plasma TNF-alpha levels in pregnant rats resulted in a significant increase in aerial pressure 97 - 3.6 v 116 - 2.1 mm Hg, pregnant versus TNF-alpha pregnant, respectively, P .05, but no significant change in urinary nitritenitrate excretion 22.0 - 1.9 v 20.8 - 2.5 micromol24 h, pregnant versus TNF-alpha pregnant, respectively, a measure of whole-body NO production. 