This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
All are true about Left ventricular failure except 
Select and explain. 
A. Pulmonary oligemia, B. Kerley B lines, C. Redistribution to apices, D. Cardiomegaly
B: Kerley B lines
Answer: B: Kerley B lines 
Explanation: In chest radiography, the Westermark sign is a sign that represents a focus of oligemia (hypovolemia) (leading to collapse of vessel) seen distal to a pulmonary embolism (PE).In chest radiography, the Westermark sign is a sign that represents a focus of oligemia (hypovolemia) (leading to collapse of vessel) seen distal to a pulmonary embolism (PE). Ref ganong's review of medical physiology 25e p418