<prompt> Symptom of neuroleptic malignant syndrome -HypotensionHypothermiaIncreased Magnesium level in bloodCatatonia and stupor  <response>: Ans. is d i.e., Catatonia and stupor Features of neuroleptic malignant syndromeo Marked muscular rigidityo Disturbed consciousnesso Increased CPKo High fevero Catatonia stuporo Myoglobinemia Myoglobinuriao Autonomic instability HR BP, Sweatingo Leucocytosis 