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: Medicine
The blood gas parameters: pH 7.58, pCO2 23 mm pO2 300 mm Hg and oxygen saturation 60% are most consistent with - 
Select and explain. 
A. Carbon monoxide poisoning, B. Ventilatory malfunction, C. Voluntary hyperventilation, D. Methyl alcohol poisoning
B: Ventilatory malfunction
Answer: B: Ventilatory malfunction 
Explanation: None