题目内容

Which one of condition is not suitable for influenza virus.()

A. +ssRNA
B. icosahedral symmetry
C. HA and NA on surface of envelope
D. with envelope
E. growing in embryonated egg

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Which is not protective antibody of HBV? ()

A. anti-HBs
B. anti-HBe
C. anti-HBc
D. anti-preS1
E. anti-preS2

A 3-year-old child presents at the physiciang office with symptoms of coryza, conjunctivitis, low-grade fever, and Koplik's spots. The causative agent of this disease belongs to which group of viral family()

Adenovirus
B. Herpesvirus
C. Picornavirus
D. Orthomyxovirus
E. measles virus

Measure unit of bacteria is ()

A. m
B. cm
C. mm
D. μ m
E. nm

What is the amount of AGAR in the semisolid medium? ()

A. 1%-1.5%
B. 0.3%-0.5%
C. 1.5%-2.5%
D. 4%-5%