<prompt> Increased suicidal tendency is associated with -Increased NoraderenalineDecreased SerotoninDecreased DopamineIncreased GABA  <response>: Ans. is b i.e., Decreased Serotonin o Patient with suicide has decreased level of serotonin metabolite 5-HIAA in urine plasma. Thus indirectly we can say that suicide is associated wdth decreased levels of serotonin and hence there is a decrease in the level o serotonin metabolites. 