1
Microbiology Lab Exam 5 Questions with
Correct Answers | Updated (100% Correct
Answers)
____________ antibiotics kill bacteria.
Ex: antiseptics and prescribed antibiotics Answer: bactericidal
________________ antibiotics inhibit the growth of bacteria and
resulting in a reduced number of bacteria; they work with the
immune system to remove the microbes from the body.
-ex: sanitizers and disinfectants Answer: bacteriostatic
There are four ________________ ____ __________ for antibiotics. Answer:
mechanisms of action
The first mechanism of action of antibiotics is disruption of _____
_______ ___________:
an example of this mechanism is found with penicillin Answer: cell
wall synthesis
The second mechanism of action of antibiotics is disruption of
_________ _____________: examples of this are tetracycline (pneumonia,
bubonic plague) and erythromycin (syphilis, UTIs) Answer: protein
synthesis
© 2025 All rights reserved
, 2
The third mechanism of action for antibiotics is disruption of
__________ ________ ______________: examples of this are quinolones
(sinusitis, skin infections) and Rifampin (leprosy, tuberculosis)
Answer: nucleic acid synthesis
The fourth mechanism of action for antibiotics is disruption of
_______________ ______________:
example sulfonamides (eye infections, ear infections, bronchitis)
Answer: bacterial metabolism
A(n) ______________ is a substance that can kill or inhibit the growth
of bacteria. Answer: antibiotic
Antibiotic resistance can be spread via _____________ ______ __________
Answer: horizontal gene transfer
__________- spectrum antibiotics target many different types of
bacteria Answer: broad
______________- spectrum antibiotics target few kinds of bacteria
Answer: narrow
______________ ___________ is using antibiotics to find a resistance
pattern. Answer: susceptability testing
___________-__________ antibiotics prevent antibiotic resistance.
Answer: narrow spectrum
© 2025 All rights reserved
Microbiology Lab Exam 5 Questions with
Correct Answers | Updated (100% Correct
Answers)
____________ antibiotics kill bacteria.
Ex: antiseptics and prescribed antibiotics Answer: bactericidal
________________ antibiotics inhibit the growth of bacteria and
resulting in a reduced number of bacteria; they work with the
immune system to remove the microbes from the body.
-ex: sanitizers and disinfectants Answer: bacteriostatic
There are four ________________ ____ __________ for antibiotics. Answer:
mechanisms of action
The first mechanism of action of antibiotics is disruption of _____
_______ ___________:
an example of this mechanism is found with penicillin Answer: cell
wall synthesis
The second mechanism of action of antibiotics is disruption of
_________ _____________: examples of this are tetracycline (pneumonia,
bubonic plague) and erythromycin (syphilis, UTIs) Answer: protein
synthesis
© 2025 All rights reserved
, 2
The third mechanism of action for antibiotics is disruption of
__________ ________ ______________: examples of this are quinolones
(sinusitis, skin infections) and Rifampin (leprosy, tuberculosis)
Answer: nucleic acid synthesis
The fourth mechanism of action for antibiotics is disruption of
_______________ ______________:
example sulfonamides (eye infections, ear infections, bronchitis)
Answer: bacterial metabolism
A(n) ______________ is a substance that can kill or inhibit the growth
of bacteria. Answer: antibiotic
Antibiotic resistance can be spread via _____________ ______ __________
Answer: horizontal gene transfer
__________- spectrum antibiotics target many different types of
bacteria Answer: broad
______________- spectrum antibiotics target few kinds of bacteria
Answer: narrow
______________ ___________ is using antibiotics to find a resistance
pattern. Answer: susceptability testing
___________-__________ antibiotics prevent antibiotic resistance.
Answer: narrow spectrum
© 2025 All rights reserved