阿摩線上測驗
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.
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統計： A(1), B(1), C(1), D(5), E(0) #3325475
統計： A(1), B(1), C(1), D(5), E(0) #3325475
