最可能的诊断为( ) A. 苯丙酮尿症 B. 呆小病 C. 癫痫 D. 先天愚型 E. 组氨酸血症 参考答案:A
第12题: [单项选择]肺动脉高压时,临床出现差异性发绀的是() A. 房间隔缺损 B. 室间隔缺损 C. 动脉导管未闭 D. 法洛四联症 E. 肺动脉狭窄 参考答案:C 答案解析:考查考生对动脉导管未闭合并肺动脉高压时出现差异性发绀等体征的理解。导管未闭患儿当肺动脉压力超过主动脉时,产生肺动脉血流逆向分流入主动脉,患儿呈现差异性发绀,下半身青紫,左上肢有轻度青紫,而右上肢正常
第22题: [单项选择]A. The apartment is better furnished. B. She prefers to live in a quiet place. C. It’s less expensive to live in an apartment. D. She finds her roommates difficult to get along with, 参考答案:B 答案解析:[解析] M: I hear you are moving to an apartment. Can you tell me why W: Actually, I didn’t wan