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i saw this Q

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nerve09
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Topics: 6
Posts: 128

02/02/08 - 12:45 AM

A 71 yr old suffers from COPD receives yearly shots of a killed viral vaccine . When
he is subsequently exposed to this virus which of the folowin is thought to happen??

A. infective dose of virus is decreased

B. virus entry into the cells is impaired.

C. virus replication inside the cells is impaired.

D. viral progeny release from cells is impaired.

E. infected cells are destroyed by sensitized T-lymphocytes

jean robert
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02/02/08 - 03:04 AM

B

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arlete
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02/02/08 - 08:44 AM

B

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silver
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02/02/08 - 11:55 AM

B

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Tiff
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02/02/08 - 08:29 PM

B - virus entry to cells is impaired

sen
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02/02/08 - 09:37 PM

GoodGirl
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02/02/08 - 09:58 PM

nerve09
Forum Junior

Topics: 6
Posts: 128

02/02/08 - 10:32 PM

yep B

is th answer..the injectable vacine influenza is thought to prevent serious cases of flu by increasin host circluationg Ab against the heamagglutinin of viral strains. The live virus is prevented from eneterein cells via receptor mediated- endocytosis.
ciao grin

Ig F
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02/06/08 - 03:46 AM

b

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