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[单选题]
消化管壁由内向外是()。
A.浆膜一肌层一黏膜下层一黏膜
B.黏膜下层一黏膜一肌层一浆膜
C.黏膜一黏膜下层一肌层一浆膜
D.黏膜一黏膜下层一浆膜一肌层
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A.浆膜一肌层一黏膜下层一黏膜
B.黏膜下层一黏膜一肌层一浆膜
C.黏膜一黏膜下层一肌层一浆膜
D.黏膜一黏膜下层一浆膜一肌层
A.浆膜、黏膜下层、肌层和黏膜层
B.黏膜层、黏膜下层、肌层和浆膜或外膜
C.肌层、黏膜层、黏膜层和浆膜
D.浆膜、肌层、黏膜层和黏膜下层
E.黏膜层、黏膜下层、浆膜和肌层
A.黏膜、黏膜下层、肌层、外膜
B.黏膜、固有层、肌层、外膜
C.黏膜、肌层、固有层、外膜
D.黏膜、黏膜下层、外膜、肌层
E.黏膜、固有层、外膜、肌层
A.黏膜层、黏膜下层、肌层、浆膜层
B.黏膜层、固有肌层、浆膜层
C.黏膜层、黏膜肌层、黏膜下层、肌层、浆膜层
D.浆膜层、肌层、黏膜下层
E.黏膜层、黏膜肌层、黏膜下层、肌层、浆膜层
A.食管有3个狭窄
B.食管壁由黏膜、黏膜下层、肌层和浆膜层组成
C.食管连接咽和胃
D.食管的功能是把食物和唾液等运送到胃内
E.食管下括约肌可防止胃内容物返流入食管
A.食管有3个狭窄
B.食管壁由黏膜、黏膜下次、肌层和浆膜层组成
C.食管连接咽和胃
D.食管的功能是把食物和唾液等运到胃内
E.食管下括约肌科防止胃内容物逆流入食管