<prompt> In which of the following disorders, administration of barbiturate is contraindicated -Anxiety disorderAcute intermittent porphyriaKernicterusRefractory status epilepticus  <response>: Ans. is b i.e., Acute intermittent porphyria Contraindications o Acute intermittent porphyria o Severe pulmonary insufficiency, eg - emphysema o Liver and kidney disease o Obstructive sleep apnea 