26.下列哪種可出現(xiàn)肝濁音界縮小

A.胃腸脹氣                                                      B.急性胃腸穿孔

C.急性肝炎                                                      D.急性膽囊炎

27.胸膜摩擦音在何部位聽診清楚

A.肺尖                                                             B.下背部

C.上前胸                                                         D.前下側(cè)胸壁

28.棒狀小體可見于

A.類白血病反應(yīng)                                               B.急性粒細(xì)胞白血病

C.急性淋巴細(xì)胞白血病                                    D.再生障礙性貧血

29.U波增高見于

A.低血鉀                                                         B.高血鉀

C.低血鈣                                                         D.高血鈣

30.抗人球蛋白試驗(yàn)陽(yáng)性見于

A.陣發(fā)性睡眠性血紅蛋白尿                             B.自身免疫性溶血性貧血

C.地中海貧血                                                  D.蠶豆病