This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Heart, Circulation, and Blood, Subject name: Physiology
When a person changes position from standing to lying down. Following change is seen 
Select and explain. 
A. Heart rate increase, B. Venous return to heart increases immediately, C. Cerebral blood flow increase, D. Blood flow at apices of lung decreases
B: Venous return to heart increases immediately
Answer: B: Venous return to heart increases immediately 
Explanation: Ans. (b) Venous return to heart increases immediatelyRef: Ganong, 25th ed/p.590Lying down from standing position increases venous returnOn immediate standing, there is venous pooling leading to decrease in venous return to heart