[单选题]

心脏各部位的厚度不同,正常人心脏左心室壁最厚,右心室壁次之,心房壁最薄。左心室壁厚度大约是

A.17~19mm

B.15~17mm

C.13~15mm

D.11~13mm

E.8~11mm

参考答案与解析: