chapter 10 textbook questions Flashcards

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1
Q

a compound synthesized by bacteria or fungi that destroys or inhibits the growth of other microbes is a/an

A

antibiotic

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2
Q

the main considerations in selecting an effective antimicrobial are

A
  • the identity of the infecting microbe
  • the microbe’s sensitivity to available drugs
  • the overall medical status of the infected host
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3
Q

drugs that prevent the formation of the bacterial cell wall are

A

penicillins

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4
Q

microbial resistance to drugs is acquired through

A
  • conjugation
  • transformation
  • tranduction
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5
Q

antimalarial treatments are difficult beacause

A
  • the protozoal parasite (plasmodium) is eukaryotic
  • there are several species of plasmodium
  • no single drug can target all the life stages of plasmodium
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6
Q

most antihelminthic drugs function by

A

inhibiting worm metabolism

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7
Q

the MIC is the______ of a drug that is required to inhibit growth of a microbe

A

smallest concentration

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8
Q

an antimicrobial drug with a ___ therapeutic index is a better choice than one with a ___ therapeutic index

A

high; low

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9
Q

state the main goal of antimicrobial treatment

A

administer a drug to an infected person, which destroys the infective agent without harming the host’s cells

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