問題詳情

40.懷疑狗有小腸內細菌過度增殖(small intestinal bacterial overgrowth)時,則下列那種檢測最不可能用來診斷此病?
(A)serum folate
(B)serum cobalamin
(C)breath hydrogen assay
(D)plasma turbidity test

參考答案

答案:D
難度:適中0.675
統計:A(5),B(5),C(29),D(81),E(0)

用户評論

YUN】評論

A hydrogen breath test (or HBT) is used as a diagnostic tool for small intestinal bacterial overgrowth and carbohydrate malabsorption, such as lactose, fructose, and sorbitol malabsorption.

小王子】評論

當腸內細菌大增,會增加發酵產生氫。氫被動物體吸收後,由呼吸道排除。所以在動物禁食後,測定呼吸中的氫濃度,若高於正常值,就懷疑是腸內細菌大量增殖