OpenStax Microbiology Test Bank
Chapter 14: Antimicrobial Drugs
Chapter 14: Antimicrobial Drugs
* = Correct answer Multiple Choice
1.Which was the first antimicrobial agent discovered to treat syphilis?
A. chloramphenicol
B. compound 606* C. penicillin
D. sulfonamide
Difficulty: Easy
ASM Standard: 14, 23
2.Who is credited for first finding an antimicrobial agent?
A. Paul Ehrlich*
B. Alexander Fleming C. Edward Jenner
D. Joseph Lister
Difficulty: Moderate
ASM Standard: 14
3.Who is credited for first finding a naturally occurring antimicrobial agent?
A. Paul Ehrlich
B. Alexander Fleming*
C. Edward Jenner
D. Joseph Lister
Difficulty: Moderate
ASM Standard: 14, 26
4.Alexander Fleming first observed a mold (now known as Penicillium notatum ) that was able to inhibit which organism? A. Escherichia
B. Listeria
C. Staphylococcus*
D. Streptococcus
Difficulty: Easy
ASM Standard: 14, 26
5.Which of the following is a semisynthetic antimicrobial agent?
A. actinomycin
B. ampicillin*
Page 1 of 20 OpenStax Microbiology Test Bank
Chapter 14: Antimicrobial Drugs
C. streptomycin
D. neomycin
Difficulty: Moderate
ASM Standard: 14
6.Which describes the difference between a secondary infection and a superinfection?
A. A secondary infection is a type of superinfection that develops when antibiotics are not given.
B. A superinfection is a type of secondary infection that can develop when antibiotics kill much of the patient’s normal flora .*
C. A superinfection is a type of secondary infection that develops when antibiotics taken to treat a particular pathogen do not completely kill all of that original pathogen.
D. A secondary infection is a type of superinfection that develops when the pathogen mutates
in response to the antimicrobial agent. Difficulty: Difficult
ASM Standard: 14, 23
7.Life-threatening diseases caused by bacterial pathogens should be treated with which of the following?
A. bactericidal agents only *
B. bacteriostatic agents only
C. both bacteriostatic and bactericidal agents
D. neither bacteriostatic nor bactericidal agents
Difficulty: Moderate
ASM Standard: 14, 23
8.Which of the following is a -lactam antibiotic?
A. *
Page 2 of 20 OpenStax Microbiology Test Bank
Chapter 14: Antimicrobial Drugs
B. C. D. Difficulty: Moderate
ASM Standard: 14, 26
9.Which of the following is not a -lactam antibiotic?
A. carbapenem
B. cephalosporin
C. penicillin
D. tetracycline*
Difficulty: Easy
ASM Standard: 14, 26
10.How does penicillin work?
Page 3 of 20
Chapter 14: Antimicrobial Drugs
Chapter 14: Antimicrobial Drugs
* = Correct answer Multiple Choice
1.Which was the first antimicrobial agent discovered to treat syphilis?
A. chloramphenicol
B. compound 606* C. penicillin
D. sulfonamide
Difficulty: Easy
ASM Standard: 14, 23
2.Who is credited for first finding an antimicrobial agent?
A. Paul Ehrlich*
B. Alexander Fleming C. Edward Jenner
D. Joseph Lister
Difficulty: Moderate
ASM Standard: 14
3.Who is credited for first finding a naturally occurring antimicrobial agent?
A. Paul Ehrlich
B. Alexander Fleming*
C. Edward Jenner
D. Joseph Lister
Difficulty: Moderate
ASM Standard: 14, 26
4.Alexander Fleming first observed a mold (now known as Penicillium notatum ) that was able to inhibit which organism? A. Escherichia
B. Listeria
C. Staphylococcus*
D. Streptococcus
Difficulty: Easy
ASM Standard: 14, 26
5.Which of the following is a semisynthetic antimicrobial agent?
A. actinomycin
B. ampicillin*
Page 1 of 20 OpenStax Microbiology Test Bank
Chapter 14: Antimicrobial Drugs
C. streptomycin
D. neomycin
Difficulty: Moderate
ASM Standard: 14
6.Which describes the difference between a secondary infection and a superinfection?
A. A secondary infection is a type of superinfection that develops when antibiotics are not given.
B. A superinfection is a type of secondary infection that can develop when antibiotics kill much of the patient’s normal flora .*
C. A superinfection is a type of secondary infection that develops when antibiotics taken to treat a particular pathogen do not completely kill all of that original pathogen.
D. A secondary infection is a type of superinfection that develops when the pathogen mutates
in response to the antimicrobial agent. Difficulty: Difficult
ASM Standard: 14, 23
7.Life-threatening diseases caused by bacterial pathogens should be treated with which of the following?
A. bactericidal agents only *
B. bacteriostatic agents only
C. both bacteriostatic and bactericidal agents
D. neither bacteriostatic nor bactericidal agents
Difficulty: Moderate
ASM Standard: 14, 23
8.Which of the following is a -lactam antibiotic?
A. *
Page 2 of 20 OpenStax Microbiology Test Bank
Chapter 14: Antimicrobial Drugs
B. C. D. Difficulty: Moderate
ASM Standard: 14, 26
9.Which of the following is not a -lactam antibiotic?
A. carbapenem
B. cephalosporin
C. penicillin
D. tetracycline*
Difficulty: Easy
ASM Standard: 14, 26
10.How does penicillin work?
Page 3 of 20
