69.A heart murmur is caused by?
(A) a greater than normal force of contraction of the right
atrium;
(B) a constriction of the pulmonary artery;
(C) blockage of the aorta;
(D) the heart
valves not functioning properly.
詳解 (共 1 筆)
未解鎖
1. 題目解析 心臟雜音(heart ...