单选题 Blood enters the right atrium through the
A、 vena cava
B、carotid artery
C、jugular vein
D、aorta
E、pulmonary vein
单选题 Systole is the
A、contraction phase of the cardiac cycle
B、relaxation phase of the cardiac cycle
C、blood pressure
D、heart sounds
E、bundle of His
单选题 A septum is a(n)
A、dividing wall
B、artery
C、vein
D、epithelium
E、sinus
单选题 The apex of the heart is the
A、 lower, pointed region
B、upper, rounded region
C、left side
D、right side
E、upper chambers
单选题 All of the following are part of the heart's conduction system except
A、epicardium
B、AV bundle
C、bundle branches
D、SA node
E、Purkinje fibers
单选题 All of the following are part of the lymphatic system except
A、syncope
B、nodes
C、tonsils
D、thymus
E、spleen
单选题 The right AV valve is the
A、tricuspid
B、bicuspid
C、semilunar
D、mitral
E、aortic
单选题 The interventricular septum is located
A、between the ventricles
B、between the atria
C、above the ventricles
D、above the heart
E、below the heart
2024-12-17
共382道
