Microbiology Chapter 14 Test Bank
Study online at https://quizlet.com/_7frvzv
1. A commensal bacterium may also be an oppor-
A) does not receive any benefit from its host tunistic pathogen
B) is beneficial to its host
C) may also be an opportunistic pathogen
D) isn't capable of causing disease in its host
E) always causes disease in its host
2. Which of the following statements is TRUE? at least one member must
A) both members are harmed in a symbiotic relation- benefit in a symbiotic rela-
ship tionship
B) members of a symbiotic relationship cannot live
without each other
C) a parasite is not in symbiosis with its host
D) symbiosis always refers to different organisms liv-
ing together and benefiting from each other
E) at least one member must benefit in a symbiotic
relationship
3. A nosocomial infection is acquired during the
A) always present, but is inapparent at the time of course of hospitalization
hospitalization
B) acquired during the course of hospitalization
C) always caused by medical personnel
D) only a result of surgery
E) always caused by pathogenic bacteria
4. The major significance of Robert Koch's work is that microorganisms cause
A) microorganisms are present in a diseased animal diesease
B) diseases can be transmitted from one animal to
another
C) microorganisms can be cultured.
, Microbiology Chapter 14 Test Bank
Study online at https://quizlet.com/_7frvzv
D) microorganisms cause disease
E) microorganisms are the result of disease
5. Which of the following is NOT a verified exception in some diseases are non-
the use of Koch's postulates? communicable
A) some diseases have poorly defined etiologies
B) some pathogens can cause several disease condi-
tions
C) some human diseases have no other known animal
host
D) some diseases are not caused by microbes
E) some diseases are noncommunicable
6. Which of the following diseases is NOT spread by botulism
droplet infection?
A) botulism
B) tuberculosis
C) measles
D) the common cold
E) diphtheria
7. Biological transmission differs from mechanical trans- involves reproduction of a
mission in that biological transmission pathogen in an arthropod
A) occurs when a pathogen is carried on the feet of an vector prior to transmis-
insect sion
B) involves fomites
C) involves reproduction of a pathogen in an arthropod
vector prior to transmission
D) requires direct contact
E) works only with noncommunicable diseases
8. Which of the following definitions is INCORRECT? epidemic: a disease that is
A) endemic: a disease that is constantly present in a endemic across the world
Study online at https://quizlet.com/_7frvzv
1. A commensal bacterium may also be an oppor-
A) does not receive any benefit from its host tunistic pathogen
B) is beneficial to its host
C) may also be an opportunistic pathogen
D) isn't capable of causing disease in its host
E) always causes disease in its host
2. Which of the following statements is TRUE? at least one member must
A) both members are harmed in a symbiotic relation- benefit in a symbiotic rela-
ship tionship
B) members of a symbiotic relationship cannot live
without each other
C) a parasite is not in symbiosis with its host
D) symbiosis always refers to different organisms liv-
ing together and benefiting from each other
E) at least one member must benefit in a symbiotic
relationship
3. A nosocomial infection is acquired during the
A) always present, but is inapparent at the time of course of hospitalization
hospitalization
B) acquired during the course of hospitalization
C) always caused by medical personnel
D) only a result of surgery
E) always caused by pathogenic bacteria
4. The major significance of Robert Koch's work is that microorganisms cause
A) microorganisms are present in a diseased animal diesease
B) diseases can be transmitted from one animal to
another
C) microorganisms can be cultured.
, Microbiology Chapter 14 Test Bank
Study online at https://quizlet.com/_7frvzv
D) microorganisms cause disease
E) microorganisms are the result of disease
5. Which of the following is NOT a verified exception in some diseases are non-
the use of Koch's postulates? communicable
A) some diseases have poorly defined etiologies
B) some pathogens can cause several disease condi-
tions
C) some human diseases have no other known animal
host
D) some diseases are not caused by microbes
E) some diseases are noncommunicable
6. Which of the following diseases is NOT spread by botulism
droplet infection?
A) botulism
B) tuberculosis
C) measles
D) the common cold
E) diphtheria
7. Biological transmission differs from mechanical trans- involves reproduction of a
mission in that biological transmission pathogen in an arthropod
A) occurs when a pathogen is carried on the feet of an vector prior to transmis-
insect sion
B) involves fomites
C) involves reproduction of a pathogen in an arthropod
vector prior to transmission
D) requires direct contact
E) works only with noncommunicable diseases
8. Which of the following definitions is INCORRECT? epidemic: a disease that is
A) endemic: a disease that is constantly present in a endemic across the world
