MICROBIOLOGY TEST BANK ACTUAL EXAM
QUESTIONS AND CORRECT ANSWERS 2024-2025 LATEST
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The microbes commonly known as ________ are single-felled eukaryotes that are generally motile
A. Viruses
B. Archaea
C. Protozoa
D. Fungi
E. Bacteria - answer-Protozoa
What is the correct order for application of Koch's postulates?
I. Inoculate suspect agent into test subject and observe that subject develops disease of interest
II. Isolate and culture suspect agent in the laboratory
III. Find suspect agent is every case of disease of interest but not in healthy hosts.
IV. Recover and isolate suspect agent from test subject. - answer-III, II, I, IV
Which of the following scientists provided evidence in favor of the concept of spontaneous generation?
A. Needham
B. Buchner
C. Pasteur
D. Redi
E. Spallanzani - answer-Needham
The term _______ refers to an infection acquired in a health care setting.
A. Nosocomial
B. Spontaneous generation
C. Archaea
D. Abiogenesis
,E. Bioremediation - answer-Nosocomial
What was the first disease shown to be bacterial in origin?
A. Anthrax
B. Cholera
C. Tuberculosis
D. Yellow Fever
E. Malaria - answer-Anthrax
What scientist first hypothesized that gene sequences could provide new insights into evolutionary
relationships among all organisms (including microbes)?
A. Ehrlich
B. Pauling
C. Avery
D. Woese
E. Kluyver - answer-Pauling
Which of the following individuals pioneered the use of chemicals to reduce the incidence of infectious
during surgery?
A. Semmelweis
B. Nightingale
C. Snow
D. Ehrlich
E. Lister - answer-Lister
Which of the following statements concerning Koch's postulates is FALSE?
A. Koch's postulates involve the experimental infection of susceptible hosts
B. The suspected pathogen may not be present in all cases of the disease being studied
C. Koch's postulates cannot be used to demonstrate the cause of all diseases
,D. All of Koch's postulates must be satisfied before an organism can be shown to cause a particular
disease
E. A suspected pathogen must be able to be grown in the laboratory - answer-The suspected pathogen
may not be present in all cases of the disease being studied
Who discovered penicillin?
A. Pasteur
B. Ehrlich
C. Kitasato
D. Fleming
E. Domagk - answer-Fleming
All of the following were involved in developing the germ theory of disease EXCEPT
A. Pasteur
B. Koch
C. Pauling
D. Snow
E. Fracastoro - answer-Pauling
Lous Pasteur demonstrated that fermentation to produce alcohol is caused by
A. Obligate parasites
B. Aerobes
C. Archaea
D. Prokaryotes
E. Facultative anaerobes - answer-Facultative anaerobes
The first true vaccine protected against disease caused by a(n) _________ pathogen.
A. Bacterial
B. Protozoa
, C. Viral
D. Archaeal
E. Fungal - answer-Viral
The term that literally means "against putrefaction" is
A. Antisepsis
B. Prokaryote
C. Recombinant Technology
D. Nosocomial
E. Chemotherapy - answer-Antisepsis
Which of the following questions largely stimulated the research of microbes during what is known as
the Golden Age of Microbiology?
A. How can microorganisms be seen?
B. What causes disease, and is spontaneous generating of microbes possible?
C. How do genes work?
D. How are microbes related?
E. How should living organisms be classified? - answer-What causes disease, and is spontaneous
generation of microbes possible?
All of the following individuals were involved in improving public health in the 19th century EXCEPT A.
semmelweis
B. Lister
C. Spallanzani
D. Nightingale
E. Snow - answer-Spallanzani
Which of the following was NOT an aspect of Pasteur's experiments to disprove spontaneous
generation?
A. The necks of the flasks he used were bent into an S-shape
B. The flasks were free of microbes until they opened
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