问题
单项选择题 A1型题
有关硬膜外腔负压的叙述，哪项错误（）
A.颈部和胸部最高，约为98%
B.腰部为88.3%
C.腰部负压可能是由胸膜腔传导过来
D.胸部为-2～-9cmH2O
E.骶管不出现负压
答案
参考答案：C
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有关硬膜外腔负压的叙述，哪项错误（）
A.颈部和胸部最高，约为98%
B.腰部为88.3%
C.腰部负压可能是由胸膜腔传导过来
D.胸部为-2～-9cmH2O
E.骶管不出现负压
参考答案：C
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