引起细菌性痢疾全身毒血症的主要因素是() A.神经毒素 B.肠毒素 C.内毒

题型:单项选择题 A1/A2型题

问题:

引起细菌性痢疾全身毒血症的主要因素是()

A.神经毒素

B.肠毒素

C.内毒素

D.细胞毒素

E.外毒素

考点:护理学主管护师内科护理学内科护理学题库
题型:单项选择题 A1/A2型题

甲型H1N1流感病毒的直径大约为0.00000008米,用科学记数法表示为(  )

A.0.8×10-7

B.8×10-8

C.8×10-9

D.8×10-7

题型:单项选择题 A1/A2型题

关于肠道杆菌的叙述,不正确的是()

A.所有肠道杆菌都不形成芽胞

B.肠道杆菌均为G-杆菌

C.肠道杆菌中致病菌一般可分解乳糖

D.肠道杆菌中少数致病菌可迟缓分解乳糖

E.肠道杆菌生化反应活泼

题型:单项选择题 A1/A2型题

发电及时率的达标指标为98%。()

题型:单项选择题 A1/A2型题

The trip to the Mystery Caves will take place on Sunday, 27 July. You can book your tickets in Room 188 between 2:30 p.m. and 4:00 p.m. every day. Your parents should confirm (确认) the booking by writing to us as soon as possible. You should pay for the trip before 21 July. If we do not receive your money early enough, your booking will be cancelled(取消). If the trip does not take place for any reason, your money will be paid back.
We are planning to meet outside the railway station on Black Street at 8:00 a.m. It will take us about 2 hours to get to the center of the town by train, and from there we have to catch a bus. It will take another hour to get to the Mystery Caves on the bus.
We will spend about 1 hour and a half visiting the caves (山洞), and we hope to catch the 1:30 bus to Happy Lake for some swimming. If we are late, we will have to take the 3:00 bus straight back to Black Street.

How will they go to the Mystery Caves from the center of the town
[A] By ship.
[B] ay train.
[C] ay bus.

题型:单项选择题 A1/A2型题

男性,48岁,突发胸痛,怀疑急性心肌梗死,下列对心肌梗死的诊断最可靠的是()

A.ST段抬高

B.冠状T波

C.aVR导联呈QS型

D.CPK-MB

E.肌钙蛋白

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