This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: ABG Analysis Simplified, Subject name: Medicine
Extrapulmonary restrictive defects lead to development of? 
Select and explain. 
A. Respiratory alkalosis, B. Respiratory acidosis, C. Increased DLco, D. Reduced DLco
B: Respiratory acidosis
Answer: B: Respiratory acidosis 
Explanation: Extrapulmonary restrictive defects: 1. M. gravis CO2 Retention | Respiratory acidosis 2. Kyphoscoliosis