1.關於骨頭癒合的敘述,下列何者錯誤?
(A)當發生骨折時,骨折處固定後,在骨折斷裂處骨縫2mm時,是屬於一級癒合
(B)骨痂(callus)是由於纖維母細胞與造骨母細胞產生很多纖維基質(fibrin matrix)超越骨折處,並將骨折處 兩端呈現環狀的包圍
(C)當骨頭呈現不完全骨折時,也就是斷裂端並沒有分開,是屬於一級癒合
(D)柳條狀骨折(greenstick fracture)是屬於一級癒合
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統計: A(827), B(19), C(19), D(52), E(0) #3134828
統計: A(827), B(19), C(19), D(52), E(0) #3134828
詳解 (共 4 筆)
#5950775
(A)if a bone is fractured and the free ends of the bone are more than 1 mm or so apart, the bone heals by secondary intention; that is, during the fibroplastic stage of healing, a large amount of collagen must be laid down to bridge the bony gap.
--> Contanporary Oral and Maxillofical Surgery 7th ed p.48
--> Contanporary Oral and Maxillofical Surgery 7th ed p.48
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參考
Contemporary Oral and Maxillofacial Surgery 6 edition CH4 P47
Contanporary Oral and Maxillofical Surgery 7 edition p48
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