Question 1

Which one of the following produces small ʺfried-eggʺ colonies on medium containing horse serum and yeast extract?

Accepted Answer

A)  Legionella 
B)  Chlamydophila 
C)  Mycoplasma 
D)  Mycobacterium 
E)  Streptococcus 
A)  Legionella 
B)  Chlamydophila 
C)  Mycoplasma 
D)  Mycobacterium 
E)  Streptococcus

Question 2

Which of the following is an opportunistic pathogen?

Accepted Answer

A)  Legionella 
B)  Histoplasma 
C)  Mycoplasma 
D)  Pneumocystis 
E)  rhinovirus 
A)  Legionella 
B)  Histoplasma 
C)  Mycoplasma 
D)  Pneumocystis 
E)  rhinovirus

Question 3

All of the following are true of the common cold EXCEPT

Accepted Answer

A)  it is transmitted via aerosols and contact. 
B)  early treatment will drastically reduce the disease symptoms. 
C)  complications include laryngitis and otitis media. 
D)  the duration of symptoms is approximately one week. 
E)  it is caused by rhinoviruses and coronaviruses. 
A)  it is transmitted via aerosols and contact. 
B)  early treatment will drastically reduce the disease symptoms. 
C)  complications include laryngitis and otitis media. 
D)  the duration of symptoms is approximately one week. 
E)  it is caused by rhinoviruses and coronaviruses.

Question 4

A patient has pneumonia. Gram-negative rods are cultured on nutrient agar from a sputum sample. The etiology is

Accepted Answer

A)  Staphylococcus aureus. 
B)  Chlamydophila psittaci. 
C)  Haemophilus influenzae. 
D)  Burkholderia pseudomallei. 
E)  Legionella pneumophila. 
A)  Staphylococcus aureus. 
B)  Chlamydophila psittaci. 
C)  Haemophilus influenzae. 
D)  Burkholderia pseudomallei. 
E)  Legionella pneumophila.

Question 5

Which of the following diseases has a cutaneous form, especially in individuals over 30 years of age?

Accepted Answer

A)  psittacosis 
B)  diphtheria 
C)  legionellosis 
D)  coccidioidomycosis 
E)  scarlet fever 
A)  psittacosis 
B)  diphtheria 
C)  legionellosis 
D)  coccidioidomycosis 
E)  scarlet fever

Question 6

Coccidioides immitis causes Valley fever, a disease that is endemic to the Mississippi Valley.

Accepted Answer

A) True 
 B)False

Question 7

The patient has a sore throat. What is the etiology of the symptoms?

Accepted Answer

A)  Bordetella 
B)  Streptococcus 
C)  Corynebacterium 
D)  Rhinovirus 
E)  The answer cannot be determined based on the information provided. 
A)  Bordetella 
B)  Streptococcus 
C)  Corynebacterium 
D)  Rhinovirus 
E)  The answer cannot be determined based on the information provided.

Question 8

Which of the following microorganisms causes symptoms most like tuberculosis?

Accepted Answer

A)  Influenza virus 
B)  Legionella 
C)  Mycoplasma 
D)  Coccidioides 
E)  Histoplasma 
A)  Influenza virus 
B)  Legionella 
C)  Mycoplasma 
D)  Coccidioides 
E)  Histoplasma

Question 9

Members of the group A streptococci (GAS) cause all of the following EXCEPT

Accepted Answer

A)  rheumatic fever. 
B)  epiglottitis. 
C)  strep throat. 
D)  pharyngitis. 
E)  scarlet fever. 
A)  rheumatic fever. 
B)  epiglottitis. 
C)  strep throat. 
D)  pharyngitis. 
E)  scarlet fever.

Question 10

Using diphtheria and whooping cough as examples, discuss why it is necessary to continue to vaccinate against diseases that are relatively rare in the U.S. today.

Accepted Answer

It is necessary to continue vaccinating

Question 11

Infection by which of the following is often confused with viral pneumonia?

Accepted Answer

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

Question 12

All of the following are classified as fungi EXCEPT

Accepted Answer

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

Question 13

The patient is suffocating because of the accumulation of dead tissue and fibrin in her throat. What is the etiology of the symptoms?

Accepted Answer

A)  Bordetella 
B)  Corynebacterium 
C)  Mycobacterium 
D)  Haemophilus 
E)  The answer cannot be determined based on the information provided. 
A)  Bordetella 
B)  Corynebacterium 
C)  Mycobacterium 
D)  Haemophilus 
E)  The answer cannot be determined based on the information provided.

Question 14

Which of the following is NOT an intracellular parasite?

Accepted Answer

A)  Influenza virus 
B)  Chlamydophila 
C)  RSV 
D)  Coxiella 
E)  Coccidioides 
A)  Influenza virus 
B)  Chlamydophila 
C)  RSV 
D)  Coxiella 
E)  Coccidioides

Question 15

Which of the following diseases is NOT correctly matched to its reservoir?

Accepted Answer

A)  psittacosis  parakeets 
B)  histoplasmosis  soil 
C)  coccidioidomycosis  air 
D)  tuberculosis  cattle 
E)  pneumocystis  humans 
A)  psittacosis  parakeets 
B)  histoplasmosis  soil 
C)  coccidioidomycosis  air 
D)  tuberculosis  cattle 
E)  pneumocystis  humans

Question 16

Which of the following statements about mycoplasmal pneumonia is TRUE?

Accepted Answer

A)  Treatment is tetracyclines. 
B)  Annual vaccination can prevent infection. 
C)  The causative agent cannot be cultured. 
D)  The symptoms resemble pneumococcal pneumonia. 
E)  The causative agent is a virus. 
A)  Treatment is tetracyclines. 
B)  Annual vaccination can prevent infection. 
C)  The causative agent cannot be cultured. 
D)  The symptoms resemble pneumococcal pneumonia. 
E)  The causative agent is a virus.

Question 17

A patient has fever, difficulty breathing, chest pains, fluid in the alveoli, and a positive tuberculin skin test. Gram-positive cocci are isolated from the sputum. The patient most likely has

Accepted Answer

A)  mycoplasmal pneumonia. 
B)  pneumococcal pneumonia. 
C)  influenza. 
D)  the common cold. 
E)  tuberculosis. 
A)  mycoplasmal pneumonia. 
B)  pneumococcal pneumonia. 
C)  influenza. 
D)  the common cold. 
E)  tuberculosis.

Question 18

Mycoplasma pneumoniae causes atypical pneumonia, also known as ʺwalking pneumonia.ʺ

Accepted Answer

A) True 
 B)False

Question 19

Compare and contrast antigenic shift and antigenic drift in influenza virus. How do antigenic shifts and drifts contribute to the need for annual vaccinations to prevent influenza?

Accepted Answer

Antigenic shift and antigenic drift are

Question 20

Infection by which of the following results in the formation of Ghon complexes?

Accepted Answer

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

Exam 24: Microbial Diseases of the Respiratory System

Which one of the following produces small ʺfried-eggʺ colonies on medium containing horse serum and yeast extract?

Which of the following is an opportunistic pathogen?

All of the following are true of the common cold EXCEPT

A patient has pneumonia. Gram-negative rods are cultured on nutrient agar from a sputum sample. The etiology is

Which of the following diseases has a cutaneous form, especially in individuals over 30 years of age?

Coccidioides immitis causes Valley fever, a disease that is endemic to the Mississippi Valley.

The patient has a sore throat. What is the etiology of the symptoms?

Which of the following microorganisms causes symptoms most like tuberculosis?

Members of the group A streptococci (GAS) cause all of the following EXCEPT

Using diphtheria and whooping cough as examples, discuss why it is necessary to continue to vaccinate against diseases that are relatively rare in the U.S. today.

Infection by which of the following is often confused with viral pneumonia?

All of the following are classified as fungi EXCEPT

The patient is suffocating because of the accumulation of dead tissue and fibrin in her throat. What is the etiology of the symptoms?

Which of the following is NOT an intracellular parasite?

Which of the following diseases is NOT correctly matched to its reservoir?

Which of the following statements about mycoplasmal pneumonia is TRUE?

A patient has fever, difficulty breathing, chest pains, fluid in the alveoli, and a positive tuberculin skin test. Gram-positive cocci are isolated from the sputum. The patient most likely has

Mycoplasma pneumoniae causes atypical pneumonia, also known as ʺwalking pneumonia.ʺ

Compare and contrast antigenic shift and antigenic drift in influenza virus. How do antigenic shifts and drifts contribute to the need for annual vaccinations to prevent influenza?

Infection by which of the following results in the formation of Ghon complexes?

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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