更多"[多选题]The conducting system of the h"的相关试题:
[多选题]The fibrous skeleton of heart includes which of the following structures.
A.fibrous ring of aortic orifice(主动脉瓣环)
B.fibrous ring of orifice of pulmonary trunk (肺动脉瓣环)
C.fibrous rings of left and right atrioventricular orifices
D.left fibrous trigone （左纤维三角）
E.central fibrous body (中心纤维体)
[判断题]（）重复按测高仪W键，显示屏就分别给出W2、W3、W4、W5、W6相对于Ｗ1、Ｗ2、Ｗ3、Ｗ4、Ｗ5的读数，即线间距离。
A.正确
B.错误
[多选题]The brain stem includes which of the following structures.（ ）
A.diencephalon
B.pons
C.mesencephalon
D.cerebellum
E.medulla oblongata
[多选题]About the external features of the heart, which of the following descriptions are correct?
A.The cardiac base (心底) is formed by the left atrium and right atrium.
B.The cardiac apex (心尖) is formed by the right ventricle.
C.The right border of heart is formed by the right atrium and right ventricle.
D.The left border of the heart is formed by the left ventricle and left auricle (左心耳).
E.The inferior border of the heart is formed by the right ventricle and cardiac apex.
[多选题]About the heart, which of the following descriptions are correct?
A.The coronary sulcus (冠状沟) marks the division between the atria and ventricles.
B.The anterior interventricular groove (前室间沟) and posterior interventricular groove denote the par
C.The anterior interventricular branch (前室间支) of the left coronary artery passes through the anter
D.The great cardiac vein (心大静脉) passes through the posterior interventricular groove.
E.The interatrial groove (房间沟) indicates the partition between the right and left atria.
[单选题]我国内燃机油粘度分为6个低粘度级号， 5 W、10 W、15 W、20 W、25 W、（ ）。
A.0W
B.30W
C.40W
D.25W
[多选题]About the veins of the heart, which of the following descriptions are correct?
A.The coronary sinus opens into the right atrium through the orifice of coronary sinus.
B.The great cardiac vein enters the right end of the coronary sinus.
C.The middle cardiac vein accompanies the posterior interventricular branch.
D.The small cardiac vein enters the left end of the coronary sinus.
E.The anterior cardiac veins open directly into the right atrium.
[单选题] His heart_______ so fast that he could hardly breathe.
A.beat
B.hit
C.strike
D.struck
[单选题]功率为100W的灯泡和40W的灯泡串联后接入电路，40W灯泡消耗的功率是100W灯泡的( )。
A.0.4倍
B.-0.5倍
C.-2.5倍
D.-4倍
[单选题] 功率为100W的灯泡和40W的灯泡串联后接入电路,40W的灯泡消耗的功率是100W的灯泡的()。
A.0.25倍
B.0.4倍
C.2.5倍
D.4倍
[判断题]某家庭装有40W电灯3盏、1000W空调2台、100W电视机1台，则计算负荷为2300W。
A.正确
B.错误
[单选题]
某家庭装有40w电灯3盏、1000w空调2台、100w电视机1台，则计算负荷为2300w。
A.对
B.错
[单选题]功率为100W的灯泡和40W的灯泡串联后接入电路，40W的灯泡消耗的功率是100W的灯泡的（）。
A.0.25倍
B.0.4倍
C.2.5倍
D.4倍
