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【单选题】
A 60-year-old previously healthy man sees his physician because he feels feverish and weak. He reports passing dark-colored urine on several occasions during the past month but has no urinary frequency, dysuria, or nocturia. On physical examination, his temperature is 37.8 and blood pressure is 125/85 mmHg. A °C dipstick urinalysis shows 4+hematuria, 1+ proteinuria, and no glucose or ketones. Which of the following procedures is the most appropriate in management of this patient?A.
Straining of urine for calculi
B.
Urine microbiologic culture
C.
Abdominal CT scan for renal mass
D.
Collection of a 24-hour urine specimen for protein
E.
Percutaneous renal biopsy
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皮皮学刷刷变学霸
举一反三
【多选题】G蛋白偶联受体所介导的细胞信号通路有哪些
A.
激活离子通道
B.
激活酪氨酸激酶，自身磷酸化传递信号
C.
激活或抑制腺苷酸环化酶，以cAMP为第二信使
D.
激活磷脂酶C，以IP3和DAG作为双信使
E.
作为转录因子，结合DNA序列，调控基因表达
【单选题】表示西太平洋副热带高压强度和范围的指标常用:
A.
中心气压值和东西向脊线位置
B.
588 线所包围的面积和东西向脊线位置
C.
中心气压值和 588 线所包围的面积
D.
中心气压值和南北向脊线位置