C HAPTER 28: C LINICAL M ICROBIOLOGY
AND I MMUNOLOGY
Test Bank for Brock Biology of Microorganism 16th Edition by Michael T.
Madigan
28.1 Multiple Choice Questions
1. Laboratories that work with extremel y low risk pathogens are classified as
A) BSL-1.
B) BSL-2.
C) BSL-3.
D) BSL-4.
2. Which of the following must be accomplished FIRST in order to conduct
RT-PCR?
A) Complementary DNA must be synthesized from double -stranded
DNA.
B) Complement ary DNA must be synthesized from RNA.
C) Complementary DNA must be synthesized from proteins.
D) Complementary DNA must be synthesized from single -stranded DNA.
3. The tuberculin skin test looks to identify ________ specific to
M ycobacterium tuberculosis.
A) antibodies
B) antigens
C) delayed hypersensitive (DTH) TH1 cells
D) delayed hypersensitive (DTH) TC cells
,4. The use of special culture media and incubation conditions to isolate
microorganisms from samples is known as a(n)
A) differential culture.
B) selective culture.
C) enrichment culture.
D) sensitive culture.
5. MacConkey agar and eosin -methylene blue (EMB) agar are _________
media.
A) selective but not differential
B) differential but not selective
C) both selective and differential
D) neither selective nor differential
6. An Etest® is a clinical tool used for the determination of
A) enteric presence.
B) Escherichia coli O157:H7 presence.
C) the minimum inhibitory concentration (MIC) value of an
antimicrobial agent.
D) pathogenic enz yme activit y.
7. Modified Thayer -Martin (MTM) agar
A) incorporates antibiotics into the medium.
B) enhances the growth of normal flora.
C) prevents the growth of Neisseria gonorrhoeae, but promotes the
growth of Neisseria meningitidis.
D) prevents the growth of Neisseria meningitides, but promotes the
growth of Neisseri a gonorrhoeae.
8. The ox ygen-free gas commonl y employed during anoxic incubation of a
bacterial culture is a mixture of
A) nitrogen and carbon dioxide.
, B) nitrogen and carbon monoxide.
C) nitrogen and argon.
D) nitrogen and hydrogen.
9. Some antibiotics inhibit prot ein synthesis by disruption of translation
through interactions with the
A) ribosome.
B) protein.
C) DNA.
D) chromosome.
10.Latex bead agglutination tests are
A) rapid and reliable tests used for the detection of certain bacteria as
well as certain serum antibodies.
B) inferior tests used in developing countries not having facilities for
more reliable assays.
C) an integral part of the EIA test procedure.
D) too expensive for routine use.
11.Blood infections are most commonl y caused by Enterococcus and
_______, among many other genera.
A) Staphylococcus
B) Coryneform bacteria
C) Propionibacteria
D) Escherichia coli
12.Eukaryotic intestinal parasites, such as Giardia, can be identified by
observing stool samples for the presence of
A) cysts.
B) antibodies.
C) LPS.
D) blood.
AND I MMUNOLOGY
Test Bank for Brock Biology of Microorganism 16th Edition by Michael T.
Madigan
28.1 Multiple Choice Questions
1. Laboratories that work with extremel y low risk pathogens are classified as
A) BSL-1.
B) BSL-2.
C) BSL-3.
D) BSL-4.
2. Which of the following must be accomplished FIRST in order to conduct
RT-PCR?
A) Complementary DNA must be synthesized from double -stranded
DNA.
B) Complement ary DNA must be synthesized from RNA.
C) Complementary DNA must be synthesized from proteins.
D) Complementary DNA must be synthesized from single -stranded DNA.
3. The tuberculin skin test looks to identify ________ specific to
M ycobacterium tuberculosis.
A) antibodies
B) antigens
C) delayed hypersensitive (DTH) TH1 cells
D) delayed hypersensitive (DTH) TC cells
,4. The use of special culture media and incubation conditions to isolate
microorganisms from samples is known as a(n)
A) differential culture.
B) selective culture.
C) enrichment culture.
D) sensitive culture.
5. MacConkey agar and eosin -methylene blue (EMB) agar are _________
media.
A) selective but not differential
B) differential but not selective
C) both selective and differential
D) neither selective nor differential
6. An Etest® is a clinical tool used for the determination of
A) enteric presence.
B) Escherichia coli O157:H7 presence.
C) the minimum inhibitory concentration (MIC) value of an
antimicrobial agent.
D) pathogenic enz yme activit y.
7. Modified Thayer -Martin (MTM) agar
A) incorporates antibiotics into the medium.
B) enhances the growth of normal flora.
C) prevents the growth of Neisseria gonorrhoeae, but promotes the
growth of Neisseria meningitidis.
D) prevents the growth of Neisseria meningitides, but promotes the
growth of Neisseri a gonorrhoeae.
8. The ox ygen-free gas commonl y employed during anoxic incubation of a
bacterial culture is a mixture of
A) nitrogen and carbon dioxide.
, B) nitrogen and carbon monoxide.
C) nitrogen and argon.
D) nitrogen and hydrogen.
9. Some antibiotics inhibit prot ein synthesis by disruption of translation
through interactions with the
A) ribosome.
B) protein.
C) DNA.
D) chromosome.
10.Latex bead agglutination tests are
A) rapid and reliable tests used for the detection of certain bacteria as
well as certain serum antibodies.
B) inferior tests used in developing countries not having facilities for
more reliable assays.
C) an integral part of the EIA test procedure.
D) too expensive for routine use.
11.Blood infections are most commonl y caused by Enterococcus and
_______, among many other genera.
A) Staphylococcus
B) Coryneform bacteria
C) Propionibacteria
D) Escherichia coli
12.Eukaryotic intestinal parasites, such as Giardia, can be identified by
observing stool samples for the presence of
A) cysts.
B) antibodies.
C) LPS.
D) blood.
