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基本技能操作:患者女性40岁,需做甲状腺手术,请你作手术区消毒,穿手术衣、戴无菌手套(在医学模拟人上操作)(20分)

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The water in an auxiliary boiler should be tested for chloride content to determine

A. total dissolved solids
B. salt contamination
C. water harcness
D. chlorine contamination

病历分析:
男性,20岁,因车祸致伤后左胸部、腹部持续性疼痛伴头晕乏力6小时。
体格检查:BP80/50mmHg,P120次份。神志清楚,表情痛苦。头部未发现伤痕,左下胸部可见皮下瘀斑,有明显挤压痛。腹壁无伤痕,腹部对称,略膨隆,全腹压痛、反跳痛,无腹肌紧张,尤以左上腹部为重。叩诊移动性浊音阳性,听诊肠鸣音减弱.腹腔穿刺抽出不凝固血液。
要求:根据以上病史摘要,请将:诊断及诊断依据;鉴别诊断:进一步检查与治疗原则写在答题纸上。

苷类化合物酸水解的易难顺序是

A. 氧苷>硫苷>碳苷>氮苷
B. 氮苷>氧苷>硫苷>碳苷
C. 硫苷>碳苷>氮苷>氧苷
D. 氮苷>硫苷>氧苷>碳苷
E. 碳苷>氧苷>硫苷>氮苷

Which of the conditions listed will cause a refrigeration compressor to run constantly

A. Shortage of refrigerant oil
B. Slight shortage of refrigerant
C. Excessive condenser cooling water flow
D. Faulty expansion valve

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