Forbes: Bailey & Scott's Diagnostic Microbiology, 12th Edition
Test Bank
Chapter 1: Microbial Taxonomy
MULTIPLE CHOICE
1. Taxonomy can be described as
a. a consistent means to classify, name, and identify organisms.
b. the common language in science that minimizes confusion about names.
c. the naming system that allows scientific attention to center on more important
issues and phenomena.
d. playing a central role in providing accurate and timely diagnosis of infectious
diseases.
e. All of the above are true.
ANS: E
All choices given are true statements regarding the definition and the role of the science of
taxonomy.
REF: Text Reference: p. 2 OBJ: Level: Knowledge
2. The most basic taxonomic group that can be defined as a collection of bacterial strains that
share many common physiologic and genetic features is
a. genus.
b. species.
c. class.
d. kingdom.
e. order.
ANS: B
Bacteria are classified into the same species based on physiologic and genetic similarities as well
as their differences from bacteria in other species.
REF: Text Reference: p. 2 OBJ: Level: Knowledge
3. Colonial morphology, color, and smell would belong to a microorganism's group of
a. genotypic characteristics.
b. taxonomic characteristics.
c. phenotypic characteristics.
d. subspecies characteristics.
ANS: C
Phenotypic characteristics are the observable properties of the subject.
Mosby items and derived items © 2007 by Mosby, Inc., an affiliate of Elsevier Inc.
,Test Bank 1-2
REF: Text Reference: p. 3 OBJ: Level: Application
4. Choose the binomial name that is correctly written.
a. Escherichia coli
b. Escherichia coli
c. Escherichia coli
d. Escherichia Coli
ANS: A
Genus should be capitalized; species should be in lower case. The entire name is either italicized
or underlined.
REF: Text Reference: pp. 2-3 OBJ: Level: Application
5. The use of a double genus in a microorganism's label such as Burkholderia (Pseudomonas)
indicates that
a. the bacterium does not fit well in either group but has some characteristics of both
groups.
b. the bacterium is a genetic cross between the two groups.
c. the bacterium has been moved from one genus (Pseudomonas) to another genus
(Burkholderia).
d. the bacterium has been moved from one genus (Burkholderia) to another genus
(Pseudomonas).
ANS: C
Names of organisms may change as scientists learn more about organisms. Older names are often
included in parentheses alongside current names to alleviate confusion about the identity of the
organism.
REF: Text Reference: p. 3 OBJ: Level: Application
6. A bacterium that has been moved from one genus (Pseudomonas) to another genus
(Burkholderia) would be correctly noted as
a. Pseudomonas (Burkholderia).
b. Burkholderia (Pseudomonas).
c. Pseudomonas, formerly Burkholderia.
d. Burkholderia, formerly Pseudomonas.
ANS: B
Names of organisms may change as scientists learn more about organisms. Older names are often
included in parentheses alongside current names to alleviate confusion about the identity of the
organism.
REF: Text Reference: p. 3 OBJ: Level: Application
Mosby items and derived items © 2007 by Mosby, Inc., an affiliate of Elsevier Inc.
,Test Bank 1-3
7. A collection of bacterial strains that share many common physiologic and genetic features can
be defined as
a. genus.
b. species.
c. class.
d. kingdom.
e. order.
ANS: B
Bacteria are classified into the same species based on physiologic and genetic similarities as well
as their differences from bacteria in other species.
REF: Text Reference: p. 2 OBJ: Level: Knowledge
8. Choose the binomial name that is correctly written.
a. Staphylococcus Aureus
b. Staphylococcus aureus
c. Staphylococcus aureus
d. Staphylococcus aureus
ANS: C
Genus should be capitalized; species should be in lower case. The entire name is either italicized
or underlined.
REF: Text Reference: pp. 2-3 OBJ: Level: Application
9. The proper way to indicate that a bacterium has been moved from one genus (Pseudomonas)
to another genus (Burkholderia) would be
a. Burkholderia (Pseudomonas) cepacia.
b. Pseudomonas (Burkholderia ) cepacia.
c. Burkholderia (Pseudomonas) cepacia.
d. Pseudomonas (Burkholderia ) cepacia.
ANS: C
Names of organisms may change as scientists learn more about organisms. Older names are often
included in parentheses alongside current names to alleviate confusion about the identity of the
organism.
REF: Text Reference: p. 3 OBJ: Level: Application
Mosby items and derived items © 2007 by Mosby, Inc., an affiliate of Elsevier Inc.
, Forbes: Bailey & Scott's Diagnostic Microbiology, 12th Edition
Test Bank
Chapter 2: Bacterial Genetics, Metabolism, and Structure
MULTIPLE CHOICE
1. Pieces of DNA that move from one genetic element to another and contain genes for
movement as well as genes for other features are called
a. transposons.
b. insertion sequences.
c. plasmids.
d. chromatoids.
ANS: A
Insertion sequences only code for movement.
REF: Text Reference: p. 8 OBJ: Level: Knowledge
2. “Miniature” chromosomes composed of several genes in double-stranded, closed, circular
structures are called
a. transposons.
b. insertion sequences.
c. plasmids.
d. chromatoids.
ANS: C
Plasmids can be separate entities, but transposable elements (transposons and insertion
sequences) cannot.
REF: Text Reference: p. 6 OBJ: Level: Knowledge
3. A DNA sequence that encodes for a specific product (RNA or protein) is defined as a
a. gene.
b. genome.
c. nucleotide.
d. deoxyribonucleic acid.
ANS: A
The genome is the collection of all the genes of an organism. Nucleotides and deoxyribonucleic
acid are building blocks of genes.
REF: Text Reference: p. 6 OBJ: Level: Knowledge
Mosby items and derived items © 2007 by Mosby, Inc., an affiliate of Elsevier Inc.
Test Bank
Chapter 1: Microbial Taxonomy
MULTIPLE CHOICE
1. Taxonomy can be described as
a. a consistent means to classify, name, and identify organisms.
b. the common language in science that minimizes confusion about names.
c. the naming system that allows scientific attention to center on more important
issues and phenomena.
d. playing a central role in providing accurate and timely diagnosis of infectious
diseases.
e. All of the above are true.
ANS: E
All choices given are true statements regarding the definition and the role of the science of
taxonomy.
REF: Text Reference: p. 2 OBJ: Level: Knowledge
2. The most basic taxonomic group that can be defined as a collection of bacterial strains that
share many common physiologic and genetic features is
a. genus.
b. species.
c. class.
d. kingdom.
e. order.
ANS: B
Bacteria are classified into the same species based on physiologic and genetic similarities as well
as their differences from bacteria in other species.
REF: Text Reference: p. 2 OBJ: Level: Knowledge
3. Colonial morphology, color, and smell would belong to a microorganism's group of
a. genotypic characteristics.
b. taxonomic characteristics.
c. phenotypic characteristics.
d. subspecies characteristics.
ANS: C
Phenotypic characteristics are the observable properties of the subject.
Mosby items and derived items © 2007 by Mosby, Inc., an affiliate of Elsevier Inc.
,Test Bank 1-2
REF: Text Reference: p. 3 OBJ: Level: Application
4. Choose the binomial name that is correctly written.
a. Escherichia coli
b. Escherichia coli
c. Escherichia coli
d. Escherichia Coli
ANS: A
Genus should be capitalized; species should be in lower case. The entire name is either italicized
or underlined.
REF: Text Reference: pp. 2-3 OBJ: Level: Application
5. The use of a double genus in a microorganism's label such as Burkholderia (Pseudomonas)
indicates that
a. the bacterium does not fit well in either group but has some characteristics of both
groups.
b. the bacterium is a genetic cross between the two groups.
c. the bacterium has been moved from one genus (Pseudomonas) to another genus
(Burkholderia).
d. the bacterium has been moved from one genus (Burkholderia) to another genus
(Pseudomonas).
ANS: C
Names of organisms may change as scientists learn more about organisms. Older names are often
included in parentheses alongside current names to alleviate confusion about the identity of the
organism.
REF: Text Reference: p. 3 OBJ: Level: Application
6. A bacterium that has been moved from one genus (Pseudomonas) to another genus
(Burkholderia) would be correctly noted as
a. Pseudomonas (Burkholderia).
b. Burkholderia (Pseudomonas).
c. Pseudomonas, formerly Burkholderia.
d. Burkholderia, formerly Pseudomonas.
ANS: B
Names of organisms may change as scientists learn more about organisms. Older names are often
included in parentheses alongside current names to alleviate confusion about the identity of the
organism.
REF: Text Reference: p. 3 OBJ: Level: Application
Mosby items and derived items © 2007 by Mosby, Inc., an affiliate of Elsevier Inc.
,Test Bank 1-3
7. A collection of bacterial strains that share many common physiologic and genetic features can
be defined as
a. genus.
b. species.
c. class.
d. kingdom.
e. order.
ANS: B
Bacteria are classified into the same species based on physiologic and genetic similarities as well
as their differences from bacteria in other species.
REF: Text Reference: p. 2 OBJ: Level: Knowledge
8. Choose the binomial name that is correctly written.
a. Staphylococcus Aureus
b. Staphylococcus aureus
c. Staphylococcus aureus
d. Staphylococcus aureus
ANS: C
Genus should be capitalized; species should be in lower case. The entire name is either italicized
or underlined.
REF: Text Reference: pp. 2-3 OBJ: Level: Application
9. The proper way to indicate that a bacterium has been moved from one genus (Pseudomonas)
to another genus (Burkholderia) would be
a. Burkholderia (Pseudomonas) cepacia.
b. Pseudomonas (Burkholderia ) cepacia.
c. Burkholderia (Pseudomonas) cepacia.
d. Pseudomonas (Burkholderia ) cepacia.
ANS: C
Names of organisms may change as scientists learn more about organisms. Older names are often
included in parentheses alongside current names to alleviate confusion about the identity of the
organism.
REF: Text Reference: p. 3 OBJ: Level: Application
Mosby items and derived items © 2007 by Mosby, Inc., an affiliate of Elsevier Inc.
, Forbes: Bailey & Scott's Diagnostic Microbiology, 12th Edition
Test Bank
Chapter 2: Bacterial Genetics, Metabolism, and Structure
MULTIPLE CHOICE
1. Pieces of DNA that move from one genetic element to another and contain genes for
movement as well as genes for other features are called
a. transposons.
b. insertion sequences.
c. plasmids.
d. chromatoids.
ANS: A
Insertion sequences only code for movement.
REF: Text Reference: p. 8 OBJ: Level: Knowledge
2. “Miniature” chromosomes composed of several genes in double-stranded, closed, circular
structures are called
a. transposons.
b. insertion sequences.
c. plasmids.
d. chromatoids.
ANS: C
Plasmids can be separate entities, but transposable elements (transposons and insertion
sequences) cannot.
REF: Text Reference: p. 6 OBJ: Level: Knowledge
3. A DNA sequence that encodes for a specific product (RNA or protein) is defined as a
a. gene.
b. genome.
c. nucleotide.
d. deoxyribonucleic acid.
ANS: A
The genome is the collection of all the genes of an organism. Nucleotides and deoxyribonucleic
acid are building blocks of genes.
REF: Text Reference: p. 6 OBJ: Level: Knowledge
Mosby items and derived items © 2007 by Mosby, Inc., an affiliate of Elsevier Inc.
