<prompt> All are true about anaesthetic implication of obesity except:-There is high risk of regurgitationThere is decrease cardiac outputThere is increased risk of perioperative hypoxemiaThere high risk of renal disease  <response>: There is no effect on cardiac ouput in obesity. airway may be difficult to secure in obese patient and they are high risk for aspiration. they are at high risk of developing perioperative hypoxemia thus may require BiPAP postoperatively. 