Systole is the - 考试宝

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

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A、between the ventricles

B、between the atria

C、above the ventricles

D、above the heart

E、below the heart

单选题 All of the following are part of the lymphatic system except

A、syncope

B、nodes

C、tonsils

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A、tricuspid

B、bicuspid

C、semilunar

D、mitral

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A、epicardium

B、AV bundle

C、bundle branches

D、SA node

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A、 vena cava

B、carotid artery

C、jugular vein

D、aorta

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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

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A、 lower, pointed region

B、upper, rounded region

C、left side

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A、dividing wall

B、artery

C、vein

D、epithelium

E、sinus