This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
In which of the following disorders, administration of barbiturate is contraindicated - 
Select and explain. 
A. Anxiety disorder, B. Acute intermittent porphyria, C. Kernicterus, D. Refractory status epilepticus
B: Acute intermittent porphyria
Answer: B: Acute intermittent porphyria 
Explanation: 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