This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET Jan 2020, Subject name: Radiology
Which is not seen in Hea failure? 
Select and explain. 
A. Kerley B lines, B. Cardiomegaly, C. Oligemia, D. Kerley A Lines
C: Oligemia
Answer: C: Oligemia 
Explanation: Oligemia is not seen in Hea Failure Chest x-ray in hea failure may show : Pleural effusions, Cardiomegaly Kerley A and B lines Perhilar haze Cephalization of pulmonary vasculature Peribronchial cuffing Lymphatic engorgement causes septal thickenings which is seen as Kerley A and Kerley B lines on CXR. CXR of Hea Failure