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
Acute Barbiturate poisoning results in: 
Select and explain. 
A. Renal failure, B. Liver failure, C. Respiratory failure, D. Convulsions
C: Respiratory failure
Answer: C: Respiratory failure 
Explanation: None