<prompt> Cardiac output decreases duringModerate increase in environmental temperatureAnxiety and excitementEatingStanding from lying down position  <response>: Ans. d Standing from lying down positionRef: Ganong, 25th edp.544Cardiac output changesNo change:SleepIncreases during:Anxiety and excitement 50-100Eating 30Exercise up to 700High environmental temperaturePregnancyEpinephrineDecreases during:Standing from lyingHeart diseases 