chapter 10 textbook questions Flashcards
a compound synthesized by bacteria or fungi that destroys or inhibits the growth of other microbes is a/an
antibiotic
the main considerations in selecting an effective antimicrobial are
- the identity of the infecting microbe
- the microbe’s sensitivity to available drugs
- the overall medical status of the infected host
drugs that prevent the formation of the bacterial cell wall are
penicillins
microbial resistance to drugs is acquired through
- conjugation
- transformation
- tranduction
antimalarial treatments are difficult beacause
- the protozoal parasite (plasmodium) is eukaryotic
- there are several species of plasmodium
- no single drug can target all the life stages of plasmodium
most antihelminthic drugs function by
inhibiting worm metabolism
the MIC is the______ of a drug that is required to inhibit growth of a microbe
smallest concentration
an antimicrobial drug with a ___ therapeutic index is a better choice than one with a ___ therapeutic index
high; low
state the main goal of antimicrobial treatment
administer a drug to an infected person, which destroys the infective agent without harming the host’s cells