<prompt> Which of the following is NOT an indication for blind nasal intubation?TM joint ankylosisImpossible laryngoscopyCSF otorrheaBase of skull fracture  <response>: Blind intubation techniques are those methods of airway management that are done without visualization of the larynx or glottis. Blind nasal intubation is contra-indicated in the presence of a base-of-skull fracture, e.g., with raccoon eyes or with CSF dripping from the nose, as the endotracheal tube can enter the brain. Indications for blind nasal intubation include impossible laryngoscopy, TM joint problems or trismus due to any cause. 