<prompt> All of the following statements are true regarding cavernous sinus thrombosis EXCEPTLoss 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 caused by sepsis in the dangerous area of face, in nasal cavities in paranasal sinuses. Septic emboli carried by superior more common or inferior ophthalmic veins into the cavernous sinus. Nervous symptoms - Loss of sensation around the eye due to involvement of V1 and V2 division of Vth nerve. - Involvement of CN III, IV, VI Venous symptoms Edema of eyelids, cornea, root of nose do congestion of the orbital veins. 