Step I NBME 6 quest

[firstaid2012]

Treatment of RSV with 70% ethanol destroys its infectivity. loss of infectivity is due to direct effect of the treatment on which of the foll viral functions?

a. entry of nucleocapsid into nucleus

b. fusion of virion membrane with target cell membrane

c. replication of viral genome

d. transcription of mRNA

explain please

 

[firstaid2012]

infection by mumps virus in men may result in decreased fertility because of viral damage to
ejaculatory ducts
epididmis WRONG
prostate
seminal vesicles
testes

 

[Myxedema]

Treatment of RSV with 70% ethanol destroys its infectivity. loss of infectivity is due to direct effect of the treatment on which of the foll viral functions?

Ethanol treatment causes disruption of viral envelope (choice B)

infection by mumps virus in men may result in decreased fertility because of viral damage to:

One of the complications of mumps infection is orchitis (inflammation of testis).