问题描述：
[单选]
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？
A．pH 7.44, PO2 8.3, PCO2 6.7, HCO3 28, SO2 93 per cent
B．pH 7.47, PO2 12, PCO2 5.1, HCO3 30, SO2 97 per cent
C．pH 7.35, PO2 11, PCO2 5.3, HCO3 24, SO2 98 per cent
D．pH 7.31, PO2 10.2, PCO2 6.8, HCO3 25, SO2 95 per cent
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上一篇：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( )
下一篇：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( )
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