<prompt> Compensatory mechanism in acute hemorrhage-Decreased myocardial contractilityDecreased heart rateIncreased heart rateIncreased respiratory rate  <response>: Ans. is c i.e., Increased heart rate Compensatory mechanisms in acute hemorrhageo In acute hemorrhage there is compensatory sympathetic stimulation which causes1 Generalized vasoconstriction with increased total peripheral resistance TFR.2 Increased heart rate tachycardia.Increased cardiac contractility.Increased renin release causing sodium and water retention through RAA system.Shift of fluid from intracellular and interstitial space into vascular space. 