21.胸锁乳突肌描述不正确的是
<script>function viewparser(etype,eid){showWindow("showMsgBox", "plugin.php?id=tpgao_questionsyn:showMsg&timutype="+etype+"&item="+eid+"&credit=3&mod=sh", "get", 0);
}</script>[普通选择题]<br> 题目 21.胸锁乳突肌描述不正确的是<br><br><br>A.起自胸骨柄前面和锁骨的胸骨端，止于乳突<br>B.受副神经支配<br>C.两侧同时收缩可使头后仰<br>D.一侧收缩可使头屈向对侧<br>E.一侧病变引起肌痉挛时可引起斜颈<br><br>正确答案：D<br><div id="parserbtn"><input class="parserbtn"onclick="viewparser(1,15192);" type="button" name="parserbtn" value="查看解析" style="height: 23px"></div><br>来自《D18A2解剖(士59题)》试卷<br><br>
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