8. 74歲男性因倦怠、食慾差,體重減輕來診,身體檢查BMI 17 Kg/M2、血壓130/70 mmHg、脈搏 54/min,臉部稍有浮腫,眼結膜稍蒼白,其餘無特殊發現,抽血檢查:Hb 9.0 gm/dl、WBC 4000/μl、platelet 80,000/μl、Na 125 mM、K 3.6 mM、T-CHO 260 mg/dl、LDL 145 mg/dl、BUN 35 mg/dl、Cr 1.5 mg/dl、free T4 0.6 ng/dl (0.8-2.4ng/dl)、hsTSH 0.1 μU/ml (0.4-4.2μU/ml );大便檢查無潛血,下列處置何者最恰當? (1) 給予3% NaCl solution (2) 給予statin 治療 (3) 即刻補充thyroxine 125μg/day (4) 測定8AM cortisol、ACTH (5) 做sella MRI
(A) (1)+(2)
(B) (2)+(3)
(C) (3)+(4)
(D) (4)+(5)
(E) (5)+(1)