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VM 530 EXAM 2 VIRUSES (SCORED) A+
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VM 530 EXAM 2 VIRUSES (SCORED) A+
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VM 530 EXAM 2VIRUSES
(SCORED) A+
VM 530
Evatee 9/4/24 VM 530
, VM 530 EXAM 2 VIRUSES (SCORED) A+
what is the main function of glycoproteins Answer - Receptors, antigenicity
and avoidance of the host immune system
pathogenic Answer - the ability to cause
virulence Answer - degree of pathogenicity, how good the virus is at causing
the disease
what are some methods to determine virulence Answer - 1. Ld 50 andID 50,
2. genetic; if you know the virulence factors (knock out the target genes and
see what happens)
what are the physiologic factors of pathogenicity Answer - 1. age of the host
2. cell division state
3. cortico steriods
what are the determinants of host resistance Answer - species, receptors,
adaptive and innate immunity
mechanical barriers that prevent virus entry Answer - 1. mucosal layers --> trap
virus
2. ciliated cells keep it moving
3. basement membrane --> determines if things stay local or get systemic
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