<prompt> When a person changes position from standing to lying down. Following change is seenHeart rate increaseVenous return to heart increases immediatelyCerebral blood flow increaseBlood flow at apices of lung decreases  <response>: Ans. b Venous return to heart increases immediatelyRef: Ganong, 25th edp.590Lying down from standing position increases venous returnOn immediate standing, there is venous pooling leading to decrease in venous return to heart 