問題詳情

74.下列有關pneumonia virus of mice(PVM)的敘述,何者正確?
(A)是一種influenza virus
(B)感染大鼠時,可引起間質性肺炎
(C)可感染小鼠與大鼠,但不會感染倉鼠
(D)組織病理是主要的確診方法

參考答案

答案:B
難度:適中0.689394
統計:A(5),B(91),C(19),D(17),E(0)

用户評論

終於.......】評論

Background: Pneumonia virus of mice (PVM) is anvirus affecting the respiratory tracts of rats andnmice. It is a ssRNA virus of the familynParamyxoviridae.nTransmission: PVM is transmitted via aerosol andncontact exposure to the respiratory tract.nSusceptibility is strain dependent and can benincreased by a variety of local and systemicnstressors.nClinical Signs: In immunocompetent rats andnmice, the infections are short-lived, withoutnclinical signs. No pathologic lesions have beennreported in naturally infected rats and mice. Noncarrier state develops.nIn immunocompromised mice, such asnathym...