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【单选题】
关于心脏后负荷,下面哪项叙述不正确:
A.
又称压力负荷
B.
决定心肌收缩的初长度
C.
指心脏收缩遇到的负荷
D.
肺动脉高压可导致右室后负荷增加
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B.
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A.
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B.
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C.
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D.
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【单选题】分子中含有糖的结构
A.
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B.
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C.
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