Question 1

Which of the following is responsible for epidemics of respiratory disease in infants?

Accepted Answer

A)  rhinovirus 
B)  respiratory syncytial virus 
C)  influenza 
D)  Mycoplasma 
E)  adenovirus 
A)  rhinovirus 
B)  respiratory syncytial virus 
C)  influenza 
D)  Mycoplasma 
E)  adenovirus

Question 2

Which one of the following causes a disease characterized by the catarrhal, paroxysmal, and convalescent stages?

Accepted Answer

A)  Streptococcus pyogenes 
B)  Mycobacterium tuberculosis 
C)  Bordetella pertussis 
D)  Corynebacterium diphtheriae 
E)  respiratory syncytial virus 
A)  Streptococcus pyogenes 
B)  Mycobacterium tuberculosis 
C)  Bordetella pertussis 
D)  Corynebacterium diphtheriae 
E)  respiratory syncytial virus

Question 3

Which of the following statements regarding tuberculosis is FALSE?

Accepted Answer

A)  At least 1/3 of those who are TB-positive are also HIV-positive. 
B)  Nearly 1/3 of the worldʹs population shows symptoms of tuberculosis. 
C)  It is responsible for nearly 2 million deaths per year. 
D)  Treatment requires at least six months of antibiotic therapy. 
E)  Nearly 1/3 of the worldʹs population is infected with tuberculosis. 
A)  At least 1/3 of those who are TB-positive are also HIV-positive. 
B)  Nearly 1/3 of the worldʹs population shows symptoms of tuberculosis. 
C)  It is responsible for nearly 2 million deaths per year. 
D)  Treatment requires at least six months of antibiotic therapy. 
E)  Nearly 1/3 of the worldʹs population is infected with tuberculosis.

Question 4

All of the following can lead to a positive tuberculin skin test EXCEPT

Accepted Answer

A)  current tuberculosis infection. 
B)  being near someone with tuberculosis. 
C)  vaccination. 
D)  immunity to tuberculosis. 
E)  previous tuberculosis infection. 
A)  current tuberculosis infection. 
B)  being near someone with tuberculosis. 
C)  vaccination. 
D)  immunity to tuberculosis. 
E)  previous tuberculosis infection.

Question 5

The most common causative agent of bacterial pneumonia is Streptococcus pneumoniae.

Accepted Answer

A) True 
 B)False

Question 6

A positive tuberculosis skin test indicates that the patient has active tuberculosis.

Accepted Answer

A) True 
 B)False

Question 7

A patient who presents with red throat and tonsils can be diagnosed as having

Accepted Answer

A)  streptococcal pharyngitis. 
B)  scarlet fever. 
C)  the common cold. 
D)  diphtheria. 
E)  The answer cannot be determined based on the information provided. 
A)  streptococcal pharyngitis. 
B)  scarlet fever. 
C)  the common cold. 
D)  diphtheria. 
E)  The answer cannot be determined based on the information provided.

Question 8

Legionella is transmitted by

Accepted Answer

A)  vectors. 
B)  airborne transmission. 
C)  person-to-person contact. 
D)  fomites. 
E)  foodborne transmission. 
A)  vectors. 
B)  airborne transmission. 
C)  person-to-person contact. 
D)  fomites. 
E)  foodborne transmission.

Question 9

Which one of the following produces the most potent exotoxin?

Accepted Answer

A)  Streptococcus pyogenes 
B)  Streptococcus pneumoniae 
C)  Mycobacterium tuberculosis 
D)  Bordetella pertussis 
E)  Corynebacterium diphtheriae 
A)  Streptococcus pyogenes 
B)  Streptococcus pneumoniae 
C)  Mycobacterium tuberculosis 
D)  Bordetella pertussis 
E)  Corynebacterium diphtheriae

Question 10

Which of the following etiologic agents results in the formation of abscesses?

Accepted Answer

A)  Blastomyces 
B)  Mycoplasma 
C)  Streptococcus 
D)  Staphylococcus 
E)  Coccidioides 
A)  Blastomyces 
B)  Mycoplasma 
C)  Streptococcus 
D)  Staphylococcus 
E)  Coccidioides

Question 11

Which one of the following causes a disease characterized by a red rash?

Accepted Answer

A)  Coccidioides 
B)  Mycoplasma 
C)  Blastomyces 
D)  Streptococcus 
E)  RSV 
A)  Coccidioides 
B)  Mycoplasma 
C)  Blastomyces 
D)  Streptococcus 
E)  RSV

Question 12

The primary victims of the influenza pandemic of 1918 -1919 were

Accepted Answer

A)  members of the military. 
B)  young adults. 
C)  residents of Spain; therefore, it was known as the ʺSpanish Flu.ʺ 
D)  infants and the elderly. 
E)  residents of the U.S. 
A)  members of the military. 
B)  young adults. 
C)  residents of Spain; therefore, it was known as the ʺSpanish Flu.ʺ 
D)  infants and the elderly. 
E)  residents of the U.S.

Question 13

The patient is suffocating because of an inflamed epiglottis. What is the etiology of the symptoms?

Accepted Answer

A)  Corynebacterium 
B)  Bordetella 
C)  Haemophilus 
D)  Mycobacterium 
E)  RSV 
A)  Corynebacterium 
B)  Bordetella 
C)  Haemophilus 
D)  Mycobacterium 
E)  RSV

Question 14

Microscopic examination of a lung biopsy shows spherules. What is the etiology of the symptoms?

Accepted Answer

A)  Blastomyces 
B)  Coccidioides 
C)  Histoplasma 
D)  Mycobacterium 
E)  Pneumocystis 
A)  Blastomyces 
B)  Coccidioides 
C)  Histoplasma 
D)  Mycobacterium 
E)  Pneumocystis

Question 15

Infections with Legionella pneumophila are usually transmitted via aerosols from contaminated air conditioning systems, showers, and humidifiers.

Accepted Answer

A) True 
 B)False

Question 16

Which one of the following is an irregular, gram-positive rod?

Accepted Answer

A)  Bordetella pertussis 
B)  Pneumocystis jirovecii 
C)  Burkholderia pseudomallei 
D)  Streptococcus pyogenes 
E)  Corynebacterium diphtheriae 
A)  Bordetella pertussis 
B)  Pneumocystis jirovecii 
C)  Burkholderia pseudomallei 
D)  Streptococcus pyogenes 
E)  Corynebacterium diphtheriae

Question 17

Pneumonia is diagnosed by the presence of fluid (dark shadows in an X -ray image) in the alveoli. Given that pneumonia usually is caused by a microorganism, what causes the fluid accumulation? Name a bacterium, a virus, a fungus, a protozoan, and a helminth that can cause pneumonia.

Accepted Answer

The fluid accumulation in the alveoli in

Question 18

Which of the following is mismatched?

Accepted Answer

A)  Bordetella  gram-negative pleomorphic rod 
B)  Mycoplasma  gram-positive pleomorphic rod 
C)  Haemophilus  gram-negative rod 
D)  Corynebacterium  gram-positive rod 
E)  Mycobacterium  acid-fast rod 
A)  Bordetella  gram-negative pleomorphic rod 
B)  Mycoplasma  gram-positive pleomorphic rod 
C)  Haemophilus  gram-negative rod 
D)  Corynebacterium  gram-positive rod 
E)  Mycobacterium  acid-fast rod

Exam 24: Microbial Diseases of the Respiratory System

Which of the following is responsible for epidemics of respiratory disease in infants?

Which one of the following causes a disease characterized by the catarrhal, paroxysmal, and convalescent stages?

Which of the following statements regarding tuberculosis is FALSE?

All of the following can lead to a positive tuberculin skin test EXCEPT

The most common causative agent of bacterial pneumonia is Streptococcus pneumoniae.

A positive tuberculosis skin test indicates that the patient has active tuberculosis.

A patient who presents with red throat and tonsils can be diagnosed as having

Legionella is transmitted by

Which one of the following produces the most potent exotoxin?

Which of the following etiologic agents results in the formation of abscesses?

Which one of the following causes a disease characterized by a red rash?

The primary victims of the influenza pandemic of 1918 -1919 were

The patient is suffocating because of an inflamed epiglottis. What is the etiology of the symptoms?

Microscopic examination of a lung biopsy shows spherules. What is the etiology of the symptoms?

Infections with Legionella pneumophila are usually transmitted via aerosols from contaminated air conditioning systems, showers, and humidifiers.

Which one of the following is an irregular, gram-positive rod?

Pneumonia is diagnosed by the presence of fluid (dark shadows in an X -ray image) in the alveoli. Given that pneumonia usually is caused by a microorganism, what causes the fluid accumulation? Name a bacterium, a virus, a fungus, a protozoan, and a helminth that can cause pneumonia.

Which of the following 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

Innate Immunity: Nonspecific Defenses of the Host

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 Nervous System

Microbial Diseases of the Cardiovascular and Lymphatic Systems

Microbial Diseases of the Digestive System

Microbial Disease of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

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