男性,68岁,反复咳喘20余年,加重4天,嗜睡1天来院。查体:嗜睡,球结膜水肿,皮肤

题型:单项选择题 A3/A4型题

问题:

男性,68岁,反复咳喘20余年,加重4天,嗜睡1天来院。查体:嗜睡,球结膜水肿,皮肤湿暖红润,口唇发绀,BP170/90mmHg(22.7/12kPa),R30次/分,脉搏118次/分,双肺可闻干湿性啰音,双侧腱反射减弱,双下肢可凹性水肿。

为明确诊断应尽快采取以下哪项检查()

A.头颅CT

B.血气分析

C.腰穿

D.脑电图

E.血培养+药敏

考点:血液病主治医师血液病主治医师基础知识历年真题精选(A3A4型题)
题型:单项选择题 A3/A4型题

女,30岁,新婚1周,性生活困难。妇科检查:外阴黏膜变薄、干燥,可见破裂口,皮肤无弹性,阴蒂萎缩,小阴唇平坦消失, * * 口挛缩狭窄,仅容指尖。该患者治疗应选用()

A.手术治疗

B.全身+药物保守治疗

C.活检出现不典型增生时手术治疗

D.雌激素制剂局部上药以缓解症状

E.以上都不是

题型:单项选择题 A3/A4型题

在一根轻质绳的一端拴一质量为1kg的小球,绳的另一端固定在光滑水平面上的O点,小球绕O点做匀速圆周运动的速率为2m/s,轻绳受到的拉力为8N,绳的长度为______m.

题型:单项选择题 A3/A4型题

乳腺纤维腺瘤()
Paget病()
乳腺囊性增生病()

A.乳腺肿胀疼痛甚至呈搏动性,病变区发现肿块,有压痛,表面皮肤红、热,同时可有体温升高

B.原发于大乳管内,渐移行至 * * ,起初 * * 刺痒,灼痛,接着出现湿疹样病变, * * 和乳晕的皮肤糜烂、潮湿,有时覆盖有黄褐色的鳞屑样痂皮

C.乳腺胀痛呈周期性,发生于月经前期,肿块可局限于乳腺的一部分,或分散于整个乳腺,在经期后可缩小,腋窝淋巴结不肿大

D.发生于大乳管近 * * 的膨大部分,瘤体一般较小,带蒂且有绒毛, * * 易出现血性溢液

E.常为乳腺单发肿块,好发于外上象限,质韧,边界清楚,表面光滑,易推动,月经周期对肿块大小无影响

题型:单项选择题 A3/A4型题

Computers will become more advanced and they will also become easier to use. Improved speed recognition will make the operation of a computer easier. Virtual reality(虚拟现实), the technology of(1)with a computer using all of the human senses, will also contribute to better human and computer(2). Other, exotic(奇异的)models of computation are being developed, including biological computing that uses living organisms, molecular computing that uses molecules with particular(3), and computing that uses DNA, the basic unit of heredity(遗传), to store data and carry out operations. These are examples of possible future computational platforms that, so far, are limited in abilities or are strictly(4). Scientists investigate them because of the physical limitations of miniaturizing circuits embedded in silicon. There are also(5)related to heat generated by even the tiniest of transistors.

空白(1)处应选择()

A.interact

B.interacting

C.communicate

D.using

题型:单项选择题 A3/A4型题

用亚甲基蓝比色法测定空气中硫化氢时,加入混合显色液后放置30分钟,再加磷酸氢二钠溶液的作用是()。

A.排除空气中二氧化硫的干扰

B.排除空气中氮氧化物的干扰

C.排除空气中氧化性气体的干扰

D.排除三氯化铁的颜色干扰

E.排除空气中甲醛的干扰

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