<prompt> During laryngoscopy and endo-tracheal intubation which of the maneuver is not performed:Flexion of the neckExtension of Head at the atlanto-occipital joint.The laryngoscope is lifted upwards levering over the upper incisors.In a straight blade laryngoscope, the epiglottis is lifted by the tip.  <response>: Ans:C i.e. The laryngoscope is lifted upward levering over the upper incisiors. Procedure of Endotracheal Intubation: The correct position is with the lower pa of the cervical spine flexed by placing a pillow or other suitable pad under the patients occiput, and the atlanto-occipital joint extendedby tilting the head back - the so-called sniffing position. This position aligns the axes of the mouth, pharynx and trachea, and will give the best visualization of the cords during laryngoscopy. In a Straight Blade Laryngoscope,lift the epiglottis with the tip of the blade. 