女性，59岁。糖尿病，1天前感冒后出现发热、恶心，呕吐。查体：体温39℃，尿酮体（++++），该患者呕吐是由于（）.
A.发热刺激延髓呕吐中枢
B.发热刺激延髓化学感受器触发区
C.代谢产物刺激延髓化学感受器触发区
D.代谢产物刺激延髓胃肠道化学感受器
E.代谢产物刺激延髓呕吐中枢
参考答案：C
解析：糖尿病患者产生的酮体可刺激延髓化学感受器触发区。
| Questions 14 to 16 are based on a news report about retirement. You now have 15 seconds to read questions 14 to 16. |
According to the news reports, what happened at the Providence Retirement Home in New Albany last year
A．Two deer running in the hall.
B．Maggots in a resident’s leg wound.
C．A fire breaking out.
D．An investigation of 1400 vet facilities.
