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Microbiology, Fifth Edition
Microbiology, 5/e
Lansing M Prescott, Augustana College
Donald A Klein, Colorado State University
John P Harley, Eastern Kentucky University

Antimicrobial Chemotherapy

T or F Quiz



1

The increasing number and variety of drug-resistant pathogens is a serious public health problem.
A)True
B)False
2

The term antibiotic refers to microbial products or their derivatives that affect microorganisms, but is sometimes used to encompass some synthetic agents.
A)True
B)False
3

Some antibiotics have excellent research potential but are too toxic for therapeutic use.
A)True
B)False
4

All microorganisms respond in the same way to a particular drug.
A)True
B)False
5

Some agents can be used against more than one group of microorganisms.
A)True
B)False
6

The use of a static agent does not rely on the host's resistance mechanism to clear the infection.
A)True
B)False
7

Zone width in a disk diffusion test can be used to compare directly the effectiveness of two different antibiotics.
A)True
B)False
8

Bacterial and eucarytoic ribosomes differ.
A)True
B)False
9

A drug that inhibits folic acid synthesis would have a direct ill effect on humans.
A)True
B)False
10

All therapeutic agents affect pathogens only if they are actively growing and dividing.
A)True
B)False
11

A particular type of resistance mechanism is confined to a single class of drugs.
A)True
B)False
12

Mutants are not created directly by exposure to a drug.
A)True
B)False
13

Some bacteria are resistant to sulfonamides simply because they use preformed folic acid from their surroundings rather than synthesize it themselves.
A)True
B)False
14

Approximately 40-50% of the millions of dollars of antibiotics produced in the United States is added to livestock feed.
A)True
B)False
15

Antibiotics should be routinely prescribed for the common cold.
A)True
B)False
16

A pathogen population can become resistant to several antibiotics simultaneously, even though the infected patient is being treated with only one drug.
A)True
B)False
17

Products such as soap and deodorants often now contain antibacterials, which actually favor an increase in antibiotic resistance.
A)True
B)False
18

A broad-spectrum drug is the wisest choice to discourage the emergence of drug resistance.
A)True
B)False