问题 单项选择题

急性胰腺炎发病时首先被激活的胰酶是()

A.胰蛋白酶原

B.糜蛋白酶原

C.前磷脂酶

D.前弹性蛋白酶

E.激肽释放酶原

答案

参考答案:A

解析:当胰液进入十二指肠后,在肠激酶的作用下,首先激活胰蛋白酶原,形成胰蛋白酶,使各种消化酶原被激活,成为有生物活性的消化酶,参与急性胰腺炎的发病。

多项选择题

患者,男,33岁,体重80kg,因车祸外伤致双下肢、右上肢骨折。在气管插管静-吸复合全麻下骨折内固定术。麻醉诱导前BP120/75mmHg。手术结束患者对气管导管不能耐受,此时患者神志尚不清楚,无意识抬头超过10秒,双上肢很有力,数人帮助固定在手术床上;潮气量700ml,频率18次/分;BP140/85mmHg,心率92次/分,SaO299%,气管导管在患者挣扎情况下拔出。手术4小时共输液3500ml,(其中胶体液1000ml),尿量500ml。拔出气管导管后,患者安静入睡,普通吸氧面罩8L/min吸氧,但3分钟后患者的SaO2迅速下降到82%。麻醉医师立刻开放气道面罩正压通气,发现气道难以打开,无法进行有效气体交换。双肺听诊无呼吸音。

提示:该患者在其他气道开放技术效果不佳的情况下进行气管插管,但气管插管完成后患者的心率从90次/分逐渐下降到54次/分、34次/分、23次/分,SaO2也从92%下降到78%、50%。血压不详。此时从静脉快速注入肾上腺素1.5mg。注药后,患者的心率和血压迅速回升,但气管导管内涌出粉红色泡沫样液体,量较多。考虑为急性肺水肿。提问:该患者的急性肺水肿最可能属于()。

A.创伤性肺水肿

B.药物过量性肺水肿

C.复张性肺水肿

D.神经性肺水肿

E.液体超负荷性肺水肿

F.感染性肺水肿

G.毒素吸入性肺水肿

H.氧中毒性肺水肿

I.尿毒症性肺水肿

J.心源性肺水肿

K.呼吸道梗阻性肺水肿

单项选择题

Robert Moody, 52, is an experienced police officer. Much of his work involves dealing with (16) and gang (团伙)problems in the schools of his community. Knowing that many kids often (17) trouble, he decided to do something about it. So in 1991 he began to invite small groups of kids to go fishing with him on his day (18) .

Those fun trips had a(n) (19) impact. A chance encounter in 2000 proved that. One day, (20) working security at a school basketball game, Moody noticed two young guys (21) . He sensed trouble between them. (22) one of them headed toward Moody and gave him a hug. "I (23) you. You took me (24) when I was in fifth grade. That was one of the (25) days of my life. "

Deeply touched by the boy’ s word, Moody decided to create a foundation (基金会)that (26) teenagers to the basics of fishing in camping programs. "As a policeman, I saw (27) there was violence, drugs were always behind it. They have a damaging (28) on the kids," says Moody.

By turning kids on to fishing, he (29) to present an alternative way of life, "When you’ re sitting there waiting for a (30) ," he says, "you can’t help but talk to each other, and such (31) can be pretty deep. "

"Talking about drugs helped prepare me for the peer(同龄人)pressures in high school," says Michelle, 17, who (32) the first program. "And I was able to help my little brother (33) drugs. "

Moody faces (34) in three years, when he hopes to run the foundation full-time. "I’ m living a happy life and I have a responsibility to my (35) to give back," Moody says. "If I teach a kid to

fish today, he can teach his brother to fish tomorrow. \

32().

A. participated in

B. worked out

C. approved of

D. made up