Question 1

All of the following organisms cause meningitis EXCEPT

Accepted Answer

A)  Haemophilus influenzae. 
B)  Cryptococcus neoformans. 
C)  Mycobacterium leprae. 
D)  Streptococcus pneumoniae. 
E)  Neisseria meningitidis. 
A)  Haemophilus influenzae. 
B)  Cryptococcus neoformans. 
C)  Mycobacterium leprae. 
D)  Streptococcus pneumoniae. 
E)  Neisseria meningitidis. C

Question 2

Which of the following is treated with antibiotics?

Accepted Answer

A)  polio 
B)  tetanus 
C)  botulism 
D)  streptococcal pneumonia 
E)  All of these diseases can be successfully treated with antibiotics. 
A)  polio 
B)  tetanus 
C)  botulism 
D)  streptococcal pneumonia 
E)  All of these diseases can be successfully treated with antibiotics. D

Question 3

All of the following are associated with botulism outbreaks EXCEPT

Accepted Answer

A)  endospores of C. botulinum have been recovered from honey. 
B)  antibodies are not an effective method of treatment. 
C)  type A toxin is most virulent. 
D)  type E toxin is associated with seafood. 
E)  Alaskan natives have the lowest rate of botulism in the world. 
A)  endospores of C. botulinum have been recovered from honey. 
B)  antibodies are not an effective method of treatment. 
C)  type A toxin is most virulent. 
D)  type E toxin is associated with seafood. 
E)  Alaskan natives have the lowest rate of botulism in the world. E

Question 4

Arboviruses cause and are transmitted by .

Accepted Answer

A)  both meningitis and encephalitis; mosquitoes 
B)  meningitis; bee stings 
C)  meningitis; mosquitoes 
D)  encephalitis; mosquitoes 
E)  encephalitis; dog bites 
A)  both meningitis and encephalitis; mosquitoes 
B)  meningitis; bee stings 
C)  meningitis; mosquitoes 
D)  encephalitis; mosquitoes 
E)  encephalitis; dog bites

Question 5

Which of the following statements about Neisseria meningitis is FALSE?

Accepted Answer

A)  A healthy carrier state can exist. 
B)  It is typically transmitted by droplet aerosols or direct contact with secretions. 
C)  It is a gram-positive anaerobe. 
D)  Its most distinguishing feature is a unique rash. 
E)  It is encapsulated. 
A)  A healthy carrier state can exist. 
B)  It is typically transmitted by droplet aerosols or direct contact with secretions. 
C)  It is a gram-positive anaerobe. 
D)  Its most distinguishing feature is a unique rash. 
E)  It is encapsulated.

Question 6

Which of the following statements about leprosy is FALSE?

Accepted Answer

A)  Patients with leprosy must be isolated. 
B)  The etiologic agent is acid-fast. 
C)  It is transmitted by direct contact. 
D)  It is rarely fatal. 
E)  Diagnosis is based on skin biopsy. 
A)  Patients with leprosy must be isolated. 
B)  The etiologic agent is acid-fast. 
C)  It is transmitted by direct contact. 
D)  It is rarely fatal. 
E)  Diagnosis is based on skin biopsy.

Question 7

Each of the following is caused by prions EXCEPT

Accepted Answer

A)  bovine spongiform encephalopathy. 
B)  Creutzfeldt-Jakob disease. 
C)  kuru. 
D)  rabies. 
E)  sheep scrapie. 
A)  bovine spongiform encephalopathy. 
B)  Creutzfeldt-Jakob disease. 
C)  kuru. 
D)  rabies. 
E)  sheep scrapie.

Question 8

The most common route of central nervous system invasion by pathogens is through

Accepted Answer

A)  the gastrointestinal system. 
B)  the skin. 
C)  the parenteral route. 
D)  direct penetration into nerves. 
E)  the circulatory system. 
A)  the gastrointestinal system. 
B)  the skin. 
C)  the parenteral route. 
D)  direct penetration into nerves. 
E)  the circulatory system.

Question 9

All of the following are true of M. leprae EXCEPT

Accepted Answer

A)  it has a very short generation time of approximately twelve hours. 
B)  it can be cultured in armadillos. 
C)  it invades cells of the PNS. 
D)  it survives ingestion by macrophages. 
E)  it grows best at temperatures below 37° C. 
A)  it has a very short generation time of approximately twelve hours. 
B)  it can be cultured in armadillos. 
C)  it invades cells of the PNS. 
D)  it survives ingestion by macrophages. 
E)  it grows best at temperatures below 37° C.

Question 10

Diagnosis of rabies is confirmed by

Accepted Answer

A)  passive agglutination. 
B)  Gram stain. 
C)  patientʹs symptoms. 
D)  patientʹs death. 
E)  direct fluorescent-antibody test. 
A)  passive agglutination. 
B)  Gram stain. 
C)  patientʹs symptoms. 
D)  patientʹs death. 
E)  direct fluorescent-antibody test.

Question 11

Poliomyelitis is caused by a virus and usually leads to paralysis in those affected.

Accepted Answer

A) True 
 B)False

Question 12

A one-year-old boy was listless, irritable, and sleepy. Capsulated Gram -negative rods were cultured from his cerebrospinal fluid. His symptoms were caused by

Accepted Answer

A)  a prion. 
B)  rabies. 
C)  Clostridium tetani. 
D)  Neisseria meningitidis. 
E)  Haemophilus influenzae. 
A)  a prion. 
B)  rabies. 
C)  Clostridium tetani. 
D)  Neisseria meningitidis. 
E)  Haemophilus influenzae.

Question 13

Encephalitis is more common in the summer months because

Accepted Answer

A)  ticks are encountered while hiking in the woods. 
B)  people encounter more bats during warm summer evenings. 
C)  pathogens are present in swimming pools and lakes. 
D)  ameba populations increase in swimming pools. 
E)  mosquito populations increase. 
A)  ticks are encountered while hiking in the woods. 
B)  people encounter more bats during warm summer evenings. 
C)  pathogens are present in swimming pools and lakes. 
D)  ameba populations increase in swimming pools. 
E)  mosquito populations increase.

Question 14

Bacterial encephalitis and meningitis are difficult to treat because

Accepted Answer

A)  antibiotics damage nervous tissue. 
B)  many antibiotics cannot penetrate the blood-brain barrier. 
C)  no medications exist for treatment of these infections. 
D)  it is very difficult to determine the causative microbe. 
E)  the infections move along peripheral nerves. 
A)  antibiotics damage nervous tissue. 
B)  many antibiotics cannot penetrate the blood-brain barrier. 
C)  no medications exist for treatment of these infections. 
D)  it is very difficult to determine the causative microbe. 
E)  the infections move along peripheral nerves.

Question 15

All of the following are acquired by ingestion EXCEPT

Accepted Answer

A)  poliomyelitis. 
B)  listeriosis. 
C)  botulism. 
D)  cryptococcosis. 
E)  Creutzfeldt-Jakob disease. 
A)  poliomyelitis. 
B)  listeriosis. 
C)  botulism. 
D)  cryptococcosis. 
E)  Creutzfeldt-Jakob disease.

Question 16

Patients with leprosy usually die from complications such as

Accepted Answer

A)  cardiac arrest. 
B)  brain damage. 
C)  tuberculosis. 
D)  loss of nerve function. 
E)  pneumonia. 
A)  cardiac arrest. 
B)  brain damage. 
C)  tuberculosis. 
D)  loss of nerve function. 
E)  pneumonia.

Question 17

The most common host of the virus causing eastern equine encephalitis is horses.

Accepted Answer

A) True 
 B)False

Question 18

Botulism and tetanus are caused by bacterial endospores commonly found in the soil.

Accepted Answer

A) True 
 B)False

Question 19

CSF contains high levels of complement and circulating antibodies to prevent infection of the brain and spinal cord.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following pairs is mismatched?

Accepted Answer

A)  rabies - direct contact 
B)  meningococcal meningitis - respiratory route 
C)  listeriosis - ingestion 
D)  leprosy - direct contact 
E)  poliomyelitis - respiratory route 
A)  rabies - direct contact 
B)  meningococcal meningitis - respiratory route 
C)  listeriosis - ingestion 
D)  leprosy - direct contact 
E)  poliomyelitis - respiratory route

Exam 22: Microbial Diseases of the Nervous System

All of the following organisms cause meningitis EXCEPT

Which of the following is treated with antibiotics?

All of the following are associated with botulism outbreaks EXCEPT

Arboviruses cause and are transmitted by .

Which of the following statements about Neisseria meningitis is FALSE?

Which of the following statements about leprosy is FALSE?

Each of the following is caused by prions EXCEPT

The most common route of central nervous system invasion by pathogens is through

All of the following are true of M. leprae EXCEPT

Diagnosis of rabies is confirmed by

Poliomyelitis is caused by a virus and usually leads to paralysis in those affected.

A one-year-old boy was listless, irritable, and sleepy. Capsulated Gram -negative rods were cultured from his cerebrospinal fluid. His symptoms were caused by

Encephalitis is more common in the summer months because

Bacterial encephalitis and meningitis are difficult to treat because

All of the following are acquired by ingestion EXCEPT

Patients with leprosy usually die from complications such as

The most common host of the virus causing eastern equine encephalitis is horses.

Botulism and tetanus are caused by bacterial endospores commonly found in the soil.

CSF contains high levels of complement and circulating antibodies to prevent infection of the brain and spinal cord.

Which of the following pairs is mismatched?

The Microbial World and You

Chemical Principles

Observing Microorganisms Through a Microscope

Functional Anatomy of Prokaryotic and Eukaryotic Cells

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Dna Technology

Classification of Microorganisms

The Prokaryotes: Domains Bacteria and Archaea

The Eukaryotes: Fungi, Algae, Protozoa, and Helminths

Viruses, Viroids, and Prions

Principles of Disease and Epidemiology

Microbial Mechanisms of Pathogenicity

Adaptive Immunity: Specific Defenses of the Host

Practical Applications of Immunology

Disorders Associated With the Immune System

Antimicrobial Drugs

Microbial Diseases of the Skin and Eyes

Microbial Diseases of the Cardiovascular and Lymphatic Systems

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Disease of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

Innate Immunity: Nonspecific Defenses of the Host

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