Anaesthesia Which of the following is contraindicated during endotracheal intubation: March 2011 A Head elevation B Preoxygenation with 100% oxygen C Introduction of blade toward the right side of oropharynx D Neck flexion at atlanto-occipital joint 💡 Explanation Which of the following is contraindicated during endotracheal intubation: March 2011 ✓ Correct Answer: D. Neck flexion at atlanto-occipital joint