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【单选题】
通过神经-肌接头释放哪一种物质与肌膜结合,引起骨骼肌收缩A.
肾上腺素
B.
去甲肾上腺素
C.
乙酰胆碱
D.
新斯的明
E.
多巴胺
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反馈参考答案：
举一反三
【判断题】In a documentary credit, terms such as “divisible”, “assignable”, and “transmissible” carry the same meaning and have the same effect as the term “transferable” and are interchangeably used with such ...
A.
正确
B.
错误
【单选题】In a cardiac cycle，the aortic pressure is the lowest at ___.
A.
the end of isometric contraction period
B.
the end of isometric relaxation period
C.
the atrial systole
D.
the rapid filling period
E.
the beginning of slow ejection
【单选题】Systole is the
A.
bundle of His
B.
heart sounds
C.
relaxation phase of the cardiac cycle
D.
contraction phase of the cardiac cycle
【简答题】某人计划4年后得到本利和480 000元,已知利率为5%,分别用单利法和复利法计算: (1)此人应该在银行一次性存款多少? (2)此人计划从现在开始的4年内,每年年末在银行存款一笔,金额分别为50 000元、50 000元、150 000元、150 000元,此人4年后能否实现计划?
【单选题】Several days after a myocardial infarction, a 60-year-old man develops a sudden onset of a new pansystolic murmur along with a diastolic flow murmur. Workup reveals increased left atrial pressure that...
A.
Thrombosis of the left atrial cavity
B.
Rupture of a papillary muscle
C.
Rupture of the left ventricular wall
D.
Aneurysmal dilation of the left ventricle
E.
Obstruction of the aortic valve
【简答题】肺的结构单位是__________，每叶肺约有__________个这种结构单位。
【简答题】[三盘清] 先在算盘上拨上 123456789,然后从高位加起,见几加几, 连加 3次,最后加9, 加完以后得数是______________ 。
【单选题】________ is the contraction of the chambers of the heart (especially the ventricles) to drive blood into the aorta and pulmonary artery
A.
Systole
B.
Diastole
C.
Dilation
D.
Deoxygenation
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