题目内容

影响稀土元素离子交换色层分离的因素:()

A. 淋洗剂溶液的pH值
B. 淋洗剂浓度
C. 淋洗剂流速
D. 树脂的性质

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The presence of Negri bodies in host cells is characteristic of

A. Mumps
B. Infectious mononucleosis
Congenital rubella
D. Rabies

When infected by___________, one may occur hydrophobia.

A. HIV
B. HSV
C. mumps virus
D. rabies virus

Check if the animal has rabies, should be captured and observed in isolation for

A. 1 month
B. 11 weeks
C. 10d
D. 2 weeks

Each of the following statements concerning rabies and rabies virus is correct except

A. The virus has a lipoprotein envelope and single-stranded RNA as its genome
B. The virus has a single antigenic type (serotype)
C. A negative Negri Body detection result indicates that the patient does not have rabies
D. The incubation period is usually long (several weeks) rather than short (several days)

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