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c. Generally has no effect when symptoms are due to motion sickness. W. Dopamine hydrochloride (Intropin) 1. Class: Sympathomimetic, vasopressor, inotropic agent. 2. Mechanism of action. a. Immediate metabolic precursor to norepinephrine. b. Produces positive inotropic and chronotropic effects. c. Dilates renal and splanchnic vasculature . d. ................
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