题目内容

13岁女孩,右下腹包块3个月,肛诊子宫右侧触及约12cm×10cm×8cm囊性肿物、光滑、活动佳。腹部平片右下腹有3个大小不等钙化点,其诊断是

A. 无性细胞瘤
B. 成熟畸胎瘤
C. 内胚窦瘤
D. 胀大的膀胱
E. 颗粒细胞瘤

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48岁妇女,绝经5年,腹胀、腹部长大3个月。妇检:宫颈光滑,子宫水平位,稍小于正常,右附件扪及10cm×8cm×6cm大小实质性包块,活动。腹穿抽出清亮腹腔积液。胸片:双侧胸腔少量积液,下述哪种卵巢瘤可能性最大

A. 卵巢纤维瘤
B. 颗粒细胞瘤
C. 内胚窦瘤
D. 库肯勃瘤
E. 浆液性囊腺瘤

18岁女孩,3小时前剧烈活动时,右下腹部烈疼痛,恶心呕吐2次,体温37.5℃。肛查子宫右侧触及活动良好、触痛明显、手拳大肿物。该患者最可能的疾病是

A. 子宫浆膜下肌瘤扭转
B. 输卵管结核
C. 盆腔炎性包块
D. 卵巢子宫内膜异位囊肿破裂
E. 卵巢肿瘤蒂扭转

What effect, if any, does high ambient temperature have upon the thrust output of a turbine engine

A. Thrust will be reduced due to the decrease in air density.
B. Thrust will remain the same, but turbine temperature will be higher.
C. Thrust will be higher because more heat energy is extracted from the hotter air.

What is the effect of compressor blade pollution on the engine performance

A. leading to discharge temperature decrease
B. causing engine knock
C. inducing engine surge

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