<prompt> Absolute contraindication for Thiopentone sodium isRespiratory depressionAcute intermittent porphyriaLiver failurePregnancy  <response>: B Acute intermittent porphyria ThiOPENTONE SODIUM - Contraindications: Thiopentone sodium is contraindicated in history of Barbiturate hypersensitivity. Acute intermittent porphyria cause LMN paralysis or CVS collapse; Anticipated airway obstruction. Fixed cardiac output states Shock, HepaticRenal dysfunction AsthmaticMyxoedema Adrenocortical failure Myotonia dystrophia Extremes of age 