Quiz 14
Staphylococcus
Alexander Fleming first observed a mold (now known as Penicillium notatum) that was able to inhibit which organism
helminth
Benzimidazoles and avermectins are used to treat which type of infection
the plasma membrane
Congratulations! You have discovered a new antibiotic. It is lipophilic and detergent-like. On the basis of this information, its target is most likely which of the following
Bacitracin blocks the movement of peptidoglycan subunits from the cytoplasm to the exterior of the cell
How does bacitracin work
Penicillin binds to penicillin-binding proteins, thus inhibiting the transpeptidation reaction during cell wall synthesis.
How does penicillin work
bactericidal agents only
Life-threatening diseases caused by bacterial pathogens should be treated with which of the following
protozoan
Metronidazole and pentamidine are used to treat which type of infection
HIV
Reverse transcriptase inhibitors, such as AZT, can be used to target which virus
dihydrofolic acid synthesis pathway
Sulfa drugs (sulfonamides) inhibit which metabolic pathway
30S ribosomal subunit
The aminoglycosides directly target which structure of the bacterial cell
mostly gram-positive bacteria and some gram-negative bacteria
The penicillins act on which type of bacteria
. target modification
What mechanism of resistance is used by both MRSA and VRSA
A superinfection is a type of secondary infection that can develop when antibiotics kill much of the patient's normal flora
Which describes the difference between a secondary infection and a superinfection
RNA polymerase
Which is the target of the antimicrobial drug known as rifampin
DNA gyrase
Which is the target of the class of antimicrobial drugs known as fluoroquinolones
etravirine
Which of the following antiviral drugs is not a nucleoside analog
Peptide bond formation is inhibited.
Which of the following commonly results from most antibiotic classes that bind to the 50S ribosomal subunit
target modification
Which of the following contributes to the development of antibiotic resistance
ampicillin
Which of the following is a semisynthetic antimicrobial agent
tetracyclin
Which of the following is not a β-lactam antibiotic
chloramphenicol
Which of the following was the first broad-spectrum antibiotic to be approved by the FDA
compound 606
Which was the first antimicrobial agent discovered to treat syphilis
Alexander Fleming
Who is credited for first finding a naturally occurring antimicrobial agent
Paul Ehrlich
Who is credited for first finding an antimicrobial agent?