男，57岁，高血压史5年，因紧张、劳累，出现头痛、眩晕、恶心、呕吐、烦躁、心悸、面色苍白、视力模糊，测血压为260/130mmHg，心率120次/分。
经治疗血压降至180/105mmHg，两次测得血钾2.5～2.6mmol/L，此时进行何种检查最为适宜（）
A.静脉肾盂造影
B.血清皮质醇
C.肾动脉超声
D.血清醛固酮
E.肾脏B超
参考答案：D
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| John loved playing basketball after school. John's parents were anxious about their son because he 1 half of his spare time playing basketball, even though he would soon 2 the college entrance exam (高考). Many evenings, John returned home 3 at the beginning of the new term. His parents told him to concentrate more 4 his studies, but their words went in one 5 and out the other. His parents were so angry that they 6 his basketball. From that day on, John returned home on time but locked 7 in his room. At first, his parents dreamt their son could study hard to enter a top university. But 8 news shattered (破灭) their dream. John's pre-exam test scores were 9 . One night, John's mother looked into his room and 10 him reading a basketball magazine. So John's parents discussed the matter. They 11 to make a deal (约定) with John. If John scored high marks in the following tests, he could get his ball back and 13 once again; if he failed, they would keep the ball 12 he improved. John 14 reading his magazines. He started working hard. He started getting high marks and got his 15 back. The ball stayed with John until he entered a top university. | ||||
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