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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A 5-year-old boy in San Francisco reaches into a car to pet another family’s dog and is bitten on the finger. Six weeks after the bite, the child develops fever, headache, and a seizure. He becomes combative and hallucinates. What is the best diagnostic test to perform on the patient to rule in rabies as a cause of his illness?
A. Detection of serum anti-rabies antibody
B. Culture of cerebrospinal fluid for virus
C. Direct fluorescent antibody stain of a biopsy from the nape of the neck
D. Brain biopsy
E. Cerebrospinal fluid anti-rabies antibody
Rabies virus is rapidly destroyed by
A. Ultraviolet radiation
B. Heating at 56℃ for I hour
C. Ether treatment
D. Trypsin treatment
E. All of the above
根据皮亚杰认知理论可知,哪个阶段的学生“我向思维”下降,思考片面性降低,思考力提升?
A. 具体运算阶段
B. 前运算阶段
C. 感知运算阶段
D. 形式运算阶段
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