Microbiology Fundamentals A Clinical Approach 5th Edition Cowan Test Bank 2025/ 2026 | Practice Questions and Answers

Microbiology Fundamentals;
Microbiology
A Clinical Fundamentals;
Approach, 5e
Microbiology
(Cowan).docxhttps://www.stuvia.com/user/stuviaun
A Clinical Fundamentals;
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Microbiology Fundamentals: A Clinical Approach, 5e (Cowan)
Chapter 1 Introduction to Microbes and Their Building Blocks

1) When humans manipulate the genes of microorganisms, the process is called .
A) bioremediation
B) genetic engineering
C) epidemiology
D) immunology
E) taxonomy

Answer: B
Section: 01.01
Topic: Microbial Roles; Basics of Genetic Engineering
Bloom's: 01. Remember
ASM Topic: Module 04 Information Flow
ASM Objective: 04.05 Cell genomes can be manipulated to alter cell function.

2) Which of the following is not considered a microorganism?
A) Mosquito
B) Protozoan
C) Bacterium
D) Virus
E) Fungus

Answer: A
Section: 01.01
Topic: Taxonomy of Microorganisms
Bloom's: 01. Remember
ASM Topic: Module 01 Evolution
ASM Objective: 01.02 Mutations and horizontal gene transfer, along with the immense variety of
microenvironments, have resulted in a vast diversity of microorganisms.

3) All microorganisms are best defined as organisms that .
A) cause human disease
B) lack a cell nucleus
C) are infectious particles
D) are too small to be seen with the unaided eye
E) can only be found growing in laboratories




Microbiology Fundamentals;
Microbiology
A Clinical Fundamentals;
Approach, 5e (Cowan).docxhttps://www.stuvia.com/user/stuviaun
A Microbiology
Clinical Approach,
Fundamentals;
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,Microbiology Fundamentals;
Microbiology
A Clinical Fundamentals;
Approach, 5e
Microbiology
(Cowan).docxhttps://www.stuvia.com/user/stuviaun
A Clinical Fundamentals;
Approach, 5e (Cowan).docxhttps://www.stuvia.com/user/stuviaun
A Clinical Approach, 5e (Cowan).docxhttps://www.stuvia.com/user/stuviaun




Answer: D
Section: 01.01
Topic: Microbial Roles
Bloom's: 01. Remember
ASM Topic: Module 01 Evolution
ASM Objective: 01.02 Mutations and horizontal gene transfer, along with the immense variety of
microenvironments, have resulted in a vast diversity of microorganisms.




Microbiology Fundamentals;
Microbiology
A Clinical Fundamentals;
Approach, 5e (Cowan).docxhttps://www.stuvia.com/user/stuviaun
A Microbiology
Clinical Approach,
Fundamentals;
5e (Cowan).docxhttps://www.stuvia.com/user/stuviaun
A Clinical Approach, 5e (Cowan)https://www.stuvia.com/user/stuviaun

,Microbiology Fundamentals;
Microbiology
A Clinical Fundamentals;
Approach, 5e
Microbiology
(Cowan).docxhttps://www.stuvia.com/user/stuviaun
A Clinical Fundamentals;
Approach, 5e (Cowan).docxhttps://www.stuvia.com/user/stuviaun
A Clinical Approach, 5e (Cowan).docxhttps://www.stuvia.com/user/stuviaun




4) Which activity is an example of biotechnology?
A) Bacteria in the soil secreting an antibiotic to kill competitors
B) A microbiologist using the microscope to study bacteria
C) Egyptians using moldy bread on wounds
D) Escherichia coli producing human insulin
E) Public health officials monitoring diseases in a community

Answer: D
Section: 01.01
Topic: Basics of Genetic Engineering
Bloom's: 02. Understand
ASM Topic: Module 06 Impact of Microorganisms
ASM Objective: 06.03 Humans utilize and harness microorganisms and their products.

5) Living things ordinarily too small to be seen with the unaided eye are termed .
A) bacteria
B) viruses
C) parasites
D) microorganisms
E) prokaryotes

Answer: D
Section: 01.01
Topic: Cellular Organization
Bloom's: 01. Remember
ASM Topic: Module 01 Evolution
ASM Objective: 01.02 Mutations and horizontal gene transfer, along with the immense variety of
microenvironments, have resulted in a vast diversity of microorganisms.

6) The microorganisms that recycle nutrients by breaking down dead matter and wastes are called
.
A) decomposers
B) prokaryotes
C) pathogens
D) eukaryotes
E) fermenters

Answer: A
Section: 01.01
Topic: Microbial Roles
Bloom's: 01. Remember
ASM Topic: Module 06 Impact of Microorganisms
ASM Objective: 06.01 Microbes are essential for life, as we know it, and the processes that
support life (e.g. in biogeochemical cycles and plant/animal microflora).




Microbiology Fundamentals;
Microbiology
A Clinical Fundamentals;
Approach, 5e (Cowan).docxhttps://www.stuvia.com/user/stuviaun
A Microbiology
Clinical Approach,
Fundamentals;
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A Clinical Approach, 5e (Cowan)https://www.stuvia.com/user/stuviaun

, Microbiology Fundamentals;
Microbiology
A Clinical Fundamentals;
Approach, 5e
Microbiology
(Cowan).docxhttps://www.stuvia.com/user/stuviaun
A Clinical Fundamentals;
Approach, 5e (Cowan).docxhttps://www.stuvia.com/user/stuviaun
A Clinical Approach, 5e (Cowan).docxhttps://www.stuvia.com/user/stuviaun




7) Cells, like bacteria and archaea, that do not have a nucleus in their cells have traditionally been
called .
A) decomposers
B) prokaryotes
C) pathogens
D) eukaryotes
E) fermenters

Answer: B
Section: 01.01
Topic: Cellular Organization
Bloom's: 01. Remember
ASM Topic: Module 02 Structure and Function
ASM Objective: 01.01 Cells, organelles (e.g. mitochondria and chloroplasts) and all major
metabolic pathways evolved from early prokaryotic cells.

8) The first cells appeared about billion years ago.
A) 5.2
B) 4.6
C) 3.8
D) 2.9
E) 1.5

Answer: C
Section: 01.01
Topic: History of Microbiology
Bloom's: 01. Remember
ASM Topic: Module 01 Evolution
ASM Objective: 01.01 Cells, organelles (e.g. mitochondria and chloroplasts) and all major
metabolic pathways evolved from early prokaryotic cells.

9) Which of the following is not a human use of microorganisms?
A) Making bread
B) Treating water and sewage
C) Manufacturing copper wire
D) Mass producing antibiotics
E) Cleaning up oil spills

Answer: C
Section: 01.01
Topic: Microbial Roles
Bloom's: 01. Remember
ASM Topic: Module 06 Impact of Microorganisms
ASM Objective: 06.03 Humans utilize and harness microorganisms and their products.




Microbiology Fundamentals;
Microbiology
A Clinical Fundamentals;
Approach, 5e (Cowan).docxhttps://www.stuvia.com/user/stuviaun
A Microbiology
Clinical Approach,
Fundamentals;
5e (Cowan).docxhttps://www.stuvia.com/user/stuviaun
A Clinical Approach, 5e (Cowan)https://www.stuvia.com/user/stuviaun