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问题描述：

[单选] 聚合度变大的反应有（）
A．接枝 B．嵌段 C．交联 D．扩链 E．以上都对
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您被要求解释一名76岁患者的动脉血气，该患者因呼吸急促和低氧饱和度急性发作而入院治疗。 该测试在室内空气中进行，读数如下：pH 7．37，PO2 7．8，PCO2 4．1，HCO3 24，SO2 89％。 从这些动脉血气结果中选择最可能的临床解释：You are asked to interpret an arterial blood gas of a 76-year-old patient who was admitted to accident and emergency with an acute onset of breathlessness and low oxygen saturations． The test was taken on room air and read as follows: pH 7．37， PO2 7．8， PCO2 4．1， HCO3 24， SO2 89 per cent． Choose the most likely clinical interpretation from these arterial blood gas results:
您希望在一名67岁的患有COPD两年且未使用家庭氧气的患者中，通过室内空气获取以下哪些动脉血气结果？Which of the following arterial blood gas results， taken on room air， would you expect to see in a 67-year-old patient who has been suffering with COPD for two years and is not on home oxygen？
一名32岁的建筑工人在事故和紧急状态下处于窘迫状态。 他报告说在过去的两个星期内都遭受了胸痛，疼痛剧烈，只有在他移动重物时才会发生。 他有心血管疾病的家族病史，担心心脏病发作。 他的血气发现如下：pH = 7．47； PCO 2 = 3．3； PO2 = 15．3； 碳酸氢盐= 17．53。 最可能的诊断是：A 32-year-old builder presents in accident and emergency in a distressed state． He reports suffering from chest pain for the last 2 weeks， the pain is sharp and only occurs when he moves heavy objects． He has a family history of cardiovascular disease and is worried about a heart attack． His blood gas findings are as follows: pH = 7．47; PCO2 = 3．3; PO2 = 15．3; bicarbonate = 17．53． The most likely diagnosis is:
一名58岁的男子气喘吁吁。 他报告说在过去三个月中，由于恶心，呕吐和呼吸困难而感到不适。 您会发现他的脚踝肿胀，胳膊上有瘀伤。 病人说他没有像平常那样排尿。 最合适的调查是：A 58-year-old man presents with breathlessness; he reports feeling unwell over the last three months with nausea， vomiting and difficulty breathing． You notice his ankles are swollen and he has bruises on his arms． The patient mentions he has not been urinating as often as normal． The most appropriate investigation is:
一名60岁的糖尿病患者在瘫痪后从脓毒症中恢复过来，在进行血液培养和使用0．9％的生理盐水积极进行液体管理后，使用适当的抗生素治疗了2天，以降低血压。 尽管血压恢复正常，但患者的以下生化血液异常结果如下。 诊断是什么？A 60-year-old diabetic man recovering from sepsis after collapsing at home was treated with appropriate antibiotics after blood culture and aggressive fluid management with 0．9 per cent saline for 2 days for hypotension． Although blood pressure returned to normal， the patient had the following abnormal biochemical blood results is as follow． What is the diagnosis？pH 7．32PCO2 5．2PO2 11．1Sodium 147 mmol/LPotassium 3．5 mmol/LChloride 119 mmol/LBicarbonate 19．5
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