<prompt> Which of these drugs DO NOT decrease angiotensin Il activityEnalaprilValsaanNesiritideOmapatrilat  <response>: Ref: Katzung 10e p205, 286 ACE inhibitors and AT1, antagonists decrease angiotensin Il activity. Omapatrilat is a vasopeptidase inhibitor that acts by inhibiting two enzymes, ACE and NEP. As it inhibits ACE, it may also decrease angitotensin II activity. Nesiritide is a recombinant BNP and has no effect on angiotensin II activity. 