题目内容

患者，女性，69岁。反复咳嗽咳痰17年，伴气促4年，近日咳、痰、喘加重。查体：体温38.6℃，双下肺湿性啰音；心率134次/分，可闻及期前收缩，双下肢水肿。WBC12.1×10⁹/L，中性82%。诊断为COPD急性加重期，慢性肺性心病失代偿期、右心衰。关于应用洋地黄药物治疗，你不同意下列哪项（）.

A. 因出现急性左心衰，故应积极短期应用
B. 因感染、气促未能有效控制，故应积极应用
C. 因感染、气促已有效控制，利尿药不能控制水肿，故应短期应用
D. 因无明显感染征，仅表现为右心衰
E. 选择快排泄的洋地黄类药物治疗

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Given the following table definition: STOCK: item VARCHAR(30) status CHAR(1) quantity INT price DEC(7,2) If items are indicated to be out of stock by setting STATUS to NULL and QUANTITY and PRICE to zero, which of the following statements would be used to update the STOCK table to indicate that all the items whose description begins with the letter "S" are out of stock?（）

A. UPDATE stock SET (status = NULL; quantity, price = 0) WHERE item LIKE S%
B. UPDATE stock SET (status, quantity, price) = (NULL, 0, 0) WHERE item LIKE S%
C. UPDATE stock SET status = NULL, SET quantity = 0, SET price = 0 WHERE item LIKE 'S%'
D. UPDATE stock SET (status = NULL), (quantity = 0), (price = 0) WHERE item LIKE S%

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