microorganisms and infection CONT. 9

Question 1

Primary defense against viruses include

Answer 1

antibody & cellular immunity

Question 2

nonspecific defenses against viruses include

Answer 2

alpha & beta interferons that block
intracellular replication

Question 3

Successful viruses bypass immune rejection by

Answer 3

rapid division,
intracellular survival, coating w/self proteins

Question 4

Viruses inside infected cells have harmful effects, including

Answer 4

inhibition of RNA & DNA, disruption of lysosomal membranes, promotion of cell
apoptosis (death), fusion of adjacent cells, & alteration of antigenic properties