<prompt> . Guillain-Barre syndrome IS characterized by the presence of the following exceptQuadriparesisDepressedabsent deep tendon jerksObjective evidence of Sensory lossAlbumino-Cytological dissociation in CSF  <response>: . It is characterised clinically by ascending paralysis. Deep tendon reflex disappear early in the process Sensory involvement , including loss of pain sensation ,is often present but is usually not a prominent feature . CSF protein levels are elevated The most common initial symptom of GBS is acroparesthesia with little objective sensory loss . Severe radicular back pain or neuropathic pain affects most cases. Within a few days, weakness ensues commonly in a symmetric ascending pattern Ref Harrison20th edition pg 2467 