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: Radiology
Pulmonary thromboembolism on V-Q scan is suggested by: 
Select and explain. 
A. Ventilation defect with normal perfusion, B. Perfusion defect with normal ventilation, C. Perfusion defect with ventilation defect, D. Normal perfusion and ventilation
B: Perfusion defect with normal ventilation
Answer: B: Perfusion defect with normal ventilation 
Explanation: Ans. Perfusion defect with normal ventilation