<prompt> A patient was undergoing surgical procedure under general anaethesia. Suddenly he developed tachycardia, sweating, hypeension and tachypnea. What is the best immediate step to manage the situation-IV beta-blockerAbandon the surgeryDeepen the plane of AnaesthesiaNothing is required  <response>: Ans: C. Deepen the plane of AnaesthesiaThe given patient is showing signs of light anaesthesia and intraoperative awareness.Signs of light anaesthesia intra-operative awareness are:TachycardiaHypeensionLacrimationperspiration sweatingEye movementPreserved reflexes coughingMovement on painful stimuliLaryngospasm BronchospasmTachypneap waves on EEGIt intraoperative clinical signs suggest that a patient is having light anaesthesia intraoperative awareness, anaesthesia should be deepened immediately. 