题目内容

怀疑马患妊娠毒血症时,可采血静置20~??30miri后观察血浆颜色变化来诊断。如确属该病,静置后的血浆颜色是??

A. 鲜红色
B. 暗黄色奶油状
C. 紫红色
D. 暗红色
E. 黄红色

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妊娠中期,由胎盘产生的孕酮发挥维持妊娠作用的动物是()

A. 马
B. 奶牛
C. 黄牛
D. 绵羊
E. 山羊

Many vessels are provided with flume tanks,which also have a dump tank located under the flume tanks. In the event the ship is damaged,you could dump the flume tanks into the dump tank which would ().

A. Reduce the free surface effect and raise the KG
B. Not have any effect on free surface and raise the KG
C. Reduce the free surface effect and lower the KG
D. Not have any effect on free surface and lower the KG

小儿手术麻醉前禁食禁饮造成的水分丧失量大约为()。

A. 2ml/(kg·h)
B. 4ml/(kg·h)
C. 5ml/(kg·h)
D. 6ml/(kg·h)
E. 8ml/(kg·h)

反应堆为冷却、润滑安全l、2、3级设备所需部件属于()设备。

A. 核安全1级
B. 核安全2级
C. 核安全3级
D. 非安全级

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