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Forbes: Bailey & Scott's Diagnostic Microbiology, 12th Edition
Test Bank
Chapter 1: Microbial Taxonomy
MULTIPLE CHOICE
1.
a.
b.
c.
Taxonomy can be described as
a consistent means to classify, name, and identify organisms.
the common language in science that minimizes confusion about names.
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
3.
a.
b.
c.
d.
OBJ:
Level: Knowledge
Colonial morphology, color, and smell would belong to a microorganism's group of
genotypic characteristics.
taxonomic characteristics.
phenotypic characteristics.
subspecies characteristics.
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orbes
ANS: C
Phenotypic characteristics are the observable properties of the subject.
REF: Text Reference: p. 3
4.
a.
b.
c.
d.
OBJ:
Level: Application
Choose the binomial name that is correctly written.
Escherichia coli
Escherichia coli
Escherichia coli
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
Mosby items and derived items © 2007 by Mosby, Inc., an affiliate of Elsevier Inc.
Test Bank
1-3
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
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
8.
a.
b.
c.
d.
OBJ:
Level: Knowledge
Choose the binomial name that is correctly written.
Staphylococcus Aureus
Staphylococcus aureus
Staphylococcus aureus
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.
Mosby items and derived items © 2007 by Mosby, Inc., an affiliate of Elsevier Inc.
Test Bank
1-4
REF: Text Reference: p. 3
OBJ:
Level: Application
Mosby items and derived items © 2007 by Mosby, Inc., an affiliate of Elsevier Inc.