<prompt> All of the following statements are true regarding cavernous sinus thrombosis EXCEPT:Loss of jaw jerkInferior Ophthalmic Vein can spread infection from dangerous area of faceEthmoidal Sinusitis is the most common causeLoss of sensation around the eye  <response>: Cavernous Sinus Thrombosis does not involve the Mandibular BRANCH of trigeminal, hence jaw jerk is intact. Other features are :- Inferior Ophthalmic Vein can spread infection from dangerous area of face Loss of sensation around the eye 