Microbiology: Basic & Clinical Principles, 2e (Norman-McKay)
Chapter 1 Introduction to Microbiology
1.1 Multiple Choice Questions
1) Which of the following is not a microorganism?
A) bacteria
B) archaea
C) fungi
D) mosquito
E) helminth
Answer: D
Chapter/Section: 1.1
Learning Outcome: 1.1
Bloom's Taxonomy: 1-2: Remembering/Understanding
2) When do opportunistic pathogens tend to cause disease?
A) when the host is weakened
B) when the host has recently traveled to a remote area
C) when the host is young
D) when the host is pregnant
E) when the host didn't wash with soap
Answer: A
Chapter/Section: 1.1
Learning Outcome: 1.2
Bloom's Taxonomy: 1-2: Remembering/Understanding
3) Which of the following could be used as evidence for spontaneous generation?
A) Uncovered meat will give rise to maggots.
B) The meat in gauze-covered jars will not give rise to maggots.
C) The broth in Pasteur's S-necked flasks did not spoil.
D) Tilting Pasteur's S-necked flasks did spoil the broth.
E) Flies lay eggs that develop into maggots.
Answer: A
Chapter/Section: 1.1
Learning Outcome: 1.3
Bloom's Taxonomy: 1-2: Remembering/Understanding
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,4) ________ showed that biogenesis is responsible for the propagation of life.
A) Louis Pasteur
B) Robert Hooke
C) Antonie van Leeuwenhoek
D) Joseph Lister
E) Carl Linnaeus
Answer: A
Chapter/Section: 1.1
Learning Outcome: 1.3
Bloom's Taxonomy: 1-2: Remembering/Understanding
5) Robert Koch helped establish the germ theory of disease by discovering that anthrax was
caused by a bacterial microorganism. After he isolated and purified the same bacteria from
several diseased animals, what would be the next step in order to show that this bacteria caused
anthrax?
A) perform physiological testing
B) introduce the bacteria into a new mouse to see if it established the same infection
C) visualize the bacteria with an electron microscope
D) culture the bacteria on Petri dishes
E) find out if antibiotics treat the diseased animals
Answer: B
Chapter/Section: 1.1
Learning Outcome: 1.4
Bloom's Taxonomy: 1-2: Remembering/Understanding
6) How many principles are there in Koch's postulates of disease?
A) 1
B) 2
C) 3
D) 4
E) 5
Answer: D
Chapter/Section: 1.1
Learning Outcome: 1.4
Bloom's Taxonomy: 1-2: Remembering/Understanding
7) Aseptic technique can be used for all of the following except
A) preventing healthcare-acquired infections.
B) safely studying microbes in the laboratory.
C) keeping samples pure for studying.
D) replacing gloves instead of hand washing when time is short.
E) limiting the spread of diseases.
Answer: D
Chapter/Section: 1.1
Learning Outcome: 1.5
Bloom's Taxonomy: 1-2: Remembering/Understanding
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,8) Which of the following individuals does not correctly match with their contribution to
microbiology?
A) Ignaz Semmelweis: First developed aseptic techniques to decrease mortality rates from
childbed fever
B) Joseph Lister: Developed the first anesthetic solution for use in surgeries
C) Florence Nightingale: Established the use of aseptic techniques in nursing practices
D) Robert Koch: Developed criteria for determining the causative agent of an infectious disease
E) Louis Pasteur: Showed that biogenesis is responsible for the propagation of life
Answer: B
Chapter/Section: 1.1
Learning Outcome: 1.6
Global LO: G2
Bloom's Taxonomy: 3-4: Applying/Analyzing
9) The scientific method starts with a(n)
A) hypothesis.
B) prediction.
C) observation.
D) question.
E) proposal.
Answer: D
Chapter/Section: 1.1
Learning Outcome: 1.7
Global LO: G1
Bloom's Taxonomy: 1-2: Remembering/Understanding
10) Inference-observation confusion occurs when someone
A) jumps to a conclusion.
B) cannot understand your accent.
C) remembers events wrong.
D) lies about what happened.
E) incorrectly assesses a patient.
Answer: A
Chapter/Section: 1.1
Learning Outcome: 1.7
Global LO: G1 | G2
Bloom's Taxonomy: 3-4: Applying/Analyzing
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, 11) ________ predict what happens, while ________ explain how and why something occurs.
A) Theories; laws
B) Hypotheses; conclusions
C) Laws; theories
D) Observations; hypotheses
E) Observations; conclusions
Answer: C
Chapter/Section: 1.1
Learning Outcome: 1.7
Global LO: G1
Bloom's Taxonomy: 1-2: Remembering/Understanding
12) Which of the following is the correct way to type a scientific name?
A) escherichia coli
B) Escherichia Coli
C) escherichia coli
D) Escherichia coli
E) Escherichia coli
Answer: D
Chapter/Section: 1.2
Learning Outcome: 1.10
Bloom's Taxonomy: 1-2: Remembering/Understanding
13) What is the order of the taxonomic hierarchy from least specific to most specific?
A) species, genus, order, family, class, phylum, kingdom, domain
B) domain, kingdom, phylum, class, order, family, genus, species
C) class, order, phylum, kingdom, domain, genus, family, species
D) domain, phylum, order, kingdom, class, family, genus, species
E) domain, order, class, kingdom, phylum, species, family, genus
Answer: B
Chapter/Section: 1.2
Learning Outcome: 1.8
Bloom's Taxonomy: 1-2: Remembering/Understanding
14) All of the following are reasons to classify a new strain of bacteria except
A) mutations.
B) gene transfers.
C) take up genetic material from their environment.
D) 50% different genetic material.
E) genetic variant.
Answer: D
Chapter/Section: 1.2
Learning Outcome: 1.9
Bloom's Taxonomy: 1-2: Remembering/Understanding
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