69.WHICH TYPE OF SCHIZOPRENIA HAS NEGATIVISM, WAXY  FLEXIBLITY,POSTURING.WORST PROGNOSIS

A.CATATONIC
B.HEBEPHRENIC
C.PARANOID
D.SIMPLE

ANS:CATATONIC


 "With catatonic features" specifier can be applied if the clinical picture is dominated by at least two of the following:

• motor immobility as evidenced by catalepsy (including waxy flexibility) or stupor
• excessive motor activity (purposeless, not influenced by external stimuli)
• extreme negativism (motiveless resistance to all instructions or maintenance of a rigid posture against attempts to be moved) or mutism
• peculiarities of voluntary movement as evidenced by posturing, stereotyped movements, prominent mannerisms, or prominent grimacing
• echolalia or echopraxia