問題詳情

54.有關牛、羊感染 Q 熱(Q fever)的敘述,下列何者錯誤?
(A)人工感染母牛時,會引起食慾下降
(B)會引起牧場母羊的流產風暴(abortion storm)
(C)病原是 Coxiella burnetii
(D)引起母羊流產時,流產胎兒剖檢常見明顯的肺炎

參考答案

答案:D
難度:簡單0.615
書單:沒有書單,新增

用户評論

終於.......】評論

(B)牛、綿羊、山羊等反芻獸感染時多呈不顯性感染,偶爾會出現輕微發熱、流產、羊感染會出現支氣管肺炎及粉紅眼,病原對乳房及胎盤具有高度親和性,因此會經由子宮排出物、胎盤、糞便和乳汁散佈病原。In addition, 102 dairy goats farms and three dairy sheep farms were confirmed Q fever positive but without reported abortion storms during the epidemic (see Table 10.1 in Roest (2013)).An increase in Q fever incidence in humans was observed with increasing proximity to goat farms with abortion storms (Schimmer et al., 2010). (C)曾經因其神似立克氏體 (Rickettsia) 而命名為Rickettsia burnetii,但後來發現其與Rickettsia有些許不同,故最後定名為Coxiella burnetii。(D)感染的胎兒通常沒有明顯病理學變化,偶可見肉芽腫性肝炎及非化膿性肺炎參考:Q熱,邱慧英 財團法人台灣動物科技研究所 動物醫學組參考:Analysis of Q fever in Dutch dairy goat herds and assessment of control measures by means of a transmission model