All of the following are part of the - 考试宝

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

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相关试题

单选题 The right AV valve is the

A、tricuspid

B、bicuspid

C、semilunar

D、mitral

E、aortic

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 A septum is a(n)

A、dividing wall

B、artery

C、vein

D、epithelium

E、sinus

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 Ischemia is

A、lack of blood to a tissue

B、high levels of lipoproteins

C、pain in the spleen

D、replacement of a valve

E、swelling of body tissues

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

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 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