Question 1

Endocytosis of Streptococcus pneumoniae by various body cells is triggered by

Accepted Answer

A)  fimbriae. 
B)  a polysaccharide capsule. 
C)  secretory IgA protease. 
D)  phosphorylcholine. 
E)  pneumolysin. 
A)  fimbriae. 
B)  a polysaccharide capsule. 
C)  secretory IgA protease. 
D)  phosphorylcholine. 
E)  pneumolysin. D

Question 2

When a strong T cell immune response against Mycobacterium leprae fails to develop, __________ leprosy results.

Accepted Answer

lepromatous

Question 3

Trypanosoma brucei infections are characterized by cyclic waves of parasitemia that occur roughly every 7 to 10 days.

Accepted Answer

A) True 
 B)False  True

Question 4

The __________, a membrane lining the backside of the eyelids and all but the center of the cornea, is often infected by Haemophilus influenzae.

Accepted Answer

The answer of The __________, a membrane lining the backside...

Question 5

The least common type of polio is

Accepted Answer

A)  nonparalytic polio. 
B)  an asymptomatic infection. 
C)  minor polio. 
D)  paralytic polio. 
E)  postpolio syndrome. 
A)  nonparalytic polio. 
B)  an asymptomatic infection. 
C)  minor polio. 
D)  paralytic polio. 
E)  postpolio syndrome.

Question 6

One summer, bird watchers and zookeepers in a major city notice that more birds than usual are dying. At the same time reports of human encephalitis cases increase sharply. The cerebrospinal fluid of human patients is clear. Similar enveloped RNA virus particles are detected in samples from both birds and humans. Which of the following might be responsible for this outbreak?

Accepted Answer

A)  an arbovirus 
B)  coxsackie A virus 
C)  Cryptococcus neoformans 
D)  Neisseria meningitidis 
E)  rabies virus 
A)  an arbovirus 
B)  coxsackie A virus 
C)  Cryptococcus neoformans 
D)  Neisseria meningitidis 
E)  rabies virus

Question 7

Listeria monocytogenes pathogenesis is directly related to its ability to

Accepted Answer

A)  produce a powerful toxin. 
B)  form endospores. 
C)  produce a polysaccharide capsule. 
D)  live and reproduce inside its host's cells. 
E)  resist most antimicrobial agents. 
A)  produce a powerful toxin. 
B)  form endospores. 
C)  produce a polysaccharide capsule. 
D)  live and reproduce inside its host's cells. 
E)  resist most antimicrobial agents.

Question 8

All of the following diseases can be fatal if untreated EXCEPT

Accepted Answer

A)  primary amebic meningoencephalopathy. 
B)  trachoma. 
C)  rabies. 
D)  tetanus. 
E)  cryptococcal meningitis. 
A)  primary amebic meningoencephalopathy. 
B)  trachoma. 
C)  rabies. 
D)  tetanus. 
E)  cryptococcal meningitis.

Question 9

As a means of diagnosing bacterial meningitis, a procedure known as a spinal tap is performed. In this procedure, __________ fluid is removed.

Accepted Answer

The answer of As a means of diagnosing bacterial meningitis,...

Question 10

Cryptococcus appears to inhibit phagocytic killing mechanisms by the production of __________.

Accepted Answer

The answer of Cryptococcus appears to inhibit phagocytic killing mechanisms...

Question 11

Tetanus vaccine contains

Accepted Answer

A)  antibodies against Clostridium tetani. 
B)  inactivated Clostridium tetani endospores. 
C)  antibodies against Clostridium tetani endospores. 
D)  fragments of Clostridium tetani cell walls. 
E)  inactivated tetanospasmin. 
A)  antibodies against Clostridium tetani. 
B)  inactivated Clostridium tetani endospores. 
C)  antibodies against Clostridium tetani endospores. 
D)  fragments of Clostridium tetani cell walls. 
E)  inactivated tetanospasmin.

Question 12

How does tetanospasmin act?

Accepted Answer

A)  It blocks the secretion of acetylcholine into the synaptic cleft. 
B)  It blocks the release of inhibitory neurotransmitters in the CNS. 
C)  It triggers the endocytosis of skeletal muscle cells. 
D)  It induces nervous system proteins to fold into abnormal shapes. 
E)  It is a pyrogenic toxin. 
A)  It blocks the secretion of acetylcholine into the synaptic cleft. 
B)  It blocks the release of inhibitory neurotransmitters in the CNS. 
C)  It triggers the endocytosis of skeletal muscle cells. 
D)  It induces nervous system proteins to fold into abnormal shapes. 
E)  It is a pyrogenic toxin.

Question 13

Which of the following causative agents of meningitis requires heme and NAD+ for its growth?

Accepted Answer

A)  Neisseria meningitidis 
B)  Streptococcus pneumoniae 
C)  Listeria monocytogenes 
D)  Haemophilus influenzae 
E)  Streptococcus agalactiae 
A)  Neisseria meningitidis 
B)  Streptococcus pneumoniae 
C)  Listeria monocytogenes 
D)  Haemophilus influenzae 
E)  Streptococcus agalactiae

Question 14

The nervous system is described as "axenic" which means

Accepted Answer

A)  it is an oxygen-free environment. 
B)  it is normally free of microbes. 
C)  it is full of axons. 
D)  there are no axons in it. 
E)  it contains extensive lymphoid tissue. 
A)  it is an oxygen-free environment. 
B)  it is normally free of microbes. 
C)  it is full of axons. 
D)  there are no axons in it. 
E)  it contains extensive lymphoid tissue.

Question 15

Poliovirus is most often transmitted via

Accepted Answer

A)  contaminated water. 
B)  household pets. 
C)  mosquitoes. 
D)  droplets. 
E)  endospores. 
A)  contaminated water. 
B)  household pets. 
C)  mosquitoes. 
D)  droplets. 
E)  endospores.

Question 16

Neisseria meningitidis is characterized as

Accepted Answer

A)  a Gram-negative diplococcus. 
B)  being rapidly motile.. 
C)  having a polysaccharide capsule and fimbriae. 
D)  a Gram-positive coccobacillus. 
E)  a Gram-negative diplococcus with a polysaccharide capsule and fimbriae. 
A)  a Gram-negative diplococcus. 
B)  being rapidly motile.. 
C)  having a polysaccharide capsule and fimbriae. 
D)  a Gram-positive coccobacillus. 
E)  a Gram-negative diplococcus with a polysaccharide capsule and fimbriae.

Question 17

The disease known as cryptococcal meningitis

Accepted Answer

A)  begins as a lung infection. 
B)  is caused by a Gram-negative coccus. 
C)  results from exposure to bird droppings. 
D)  is transmitted in respiratory aerosols. 
E)  results from exposure to bird droppings and begins as a lung infection. 
A)  begins as a lung infection. 
B)  is caused by a Gram-negative coccus. 
C)  results from exposure to bird droppings. 
D)  is transmitted in respiratory aerosols. 
E)  results from exposure to bird droppings and begins as a lung infection.

Question 18

Tetanospasmin is released from Clostridium tetani cells as long as they are alive.

Accepted Answer

A) True 
 B)False

Question 19

Compare and contrast African sleeping sickness and primary amebic meningoencephalopathy.

Accepted Answer

Both diseases are caused by protozoan pa

Question 20

An example of a spongiform encephalopathy is mad cow disease.

Accepted Answer

A) True 
 B)False

Exam 20: Microbial Diseases of the Nervous System and Eyes

Endocytosis of Streptococcus pneumoniae by various body cells is triggered by

When a strong T cell immune response against Mycobacterium leprae fails to develop, __________ leprosy results.

Trypanosoma brucei infections are characterized by cyclic waves of parasitemia that occur roughly every 7 to 10 days.

The __________, a membrane lining the backside of the eyelids and all but the center of the cornea, is often infected by Haemophilus influenzae.

The least common type of polio is

Listeria monocytogenes pathogenesis is directly related to its ability to

All of the following diseases can be fatal if untreated EXCEPT

As a means of diagnosing bacterial meningitis, a procedure known as a spinal tap is performed. In this procedure, __________ fluid is removed.

Cryptococcus appears to inhibit phagocytic killing mechanisms by the production of __________.

Tetanus vaccine contains

How does tetanospasmin act?

Which of the following causative agents of meningitis requires heme and NAD+ for its growth?

The nervous system is described as "axenic" which means

Poliovirus is most often transmitted via

Neisseria meningitidis is characterized as

The disease known as cryptococcal meningitis

Tetanospasmin is released from Clostridium tetani cells as long as they are alive.

Compare and contrast African sleeping sickness and primary amebic meningoencephalopathy.

An example of a spongiform encephalopathy is mad cow disease.

A Brief History of Microbiology

The Chemistry of Microbiology

Cell Structure and Function

Microscopy, Staining, and Classification

Microbial Metabolism

Microbial Nutrition and Growth

Microbial Genetics

Recombinant Dna Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Characterizing and Classifying Viruses, Viroids, and Prions

Infection, Infectious Diseases, and Epidemiology

Innate Immunity

Adaptive Immunity

Immunization and Immune Testing

Aids and Other Immune Disorders

Microbial Diseases of the Skin and Wounds

Microbial Cardiovascular and Systemic Diseases

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Applied and Environmental Microbiology

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Which of the following causative agents of meningitis requires heme and NAD⁺ for its growth?