Attenuation occurs in a laboratory, because
A) non virulent or weakly virulent mutants grow faster in vitro in laboratory media.
B) patients are generally treated with drugs that induce attenuation.
C) pathogens lose virulence with age.
D) none of the above are true.
Correct Answer:
Verified
Q2: Which of the following is more likely
Q3: The following compounds are all produced by
Q4: Influenza virus targets
A) oral cavity cells.
B) lung
Q5: Capsules are particularly important for
A) protecting bacteria
Q5: Only particles smaller than _ μm in
Q6: The decrease or loss of virulence of
Q7: Decalcification of the tooth enamel due to
Q8: The following bacteria are all implicated in
Q9: Which of the following are NOT found
Q11: Pathogenic strains of Escherichia coli usually express
A)
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