妊娠高血压综合征的基本病理变化是:
A.全身小动脉痉挛
B.肾小球滤过率降低
C.肾小管对钠离子的再吸收增加
D.肾上腺皮质抗利尿激素增加
E.血液粘稠度增加
参考答案:A
My friend Miriam felt it was out of _____ question for her to visit China without going to see the terracotta warriors, so I helped her arrange _____ tour to Xi’an.
A./ ; the
B.the; a
C./; a
D.the; /
鉴别单纯性肠梗阻与绞窄性肠梗阻最有帮助的检查是()
A.血白细胞和中性粒细胞明显增高
B.立位腹平片见大量气液平面
C.腹腔穿刺抽出血性物
D.血气分析示血氧分压降低
E.血生化检查示酸碱失衡