Question 1

What virus causes community-wide seasonal outbreaks of bronchiolitis in infants?

Accepted Answer

A)  Rhinovirus 
B)  Parainfluenza virus 
C)  Respiratory syncytial virus 
D)  Influenzae virus 
A)  Rhinovirus 
B)  Parainfluenza virus 
C)  Respiratory syncytial virus 
D)  Influenzae virus

Question 2

What is the most common cause of community-acquired pneumonia in adults?

Accepted Answer

A)  Influenza virus 
B)  Streptococcus pneumoniae 
C)  Staphylococcus aureus 
D)  Legionella pneumophila 
A)  Influenza virus 
B)  Streptococcus pneumoniae 
C)  Staphylococcus aureus 
D)  Legionella pneumophila

Question 3

Patients with influenza virus infection are predisposed to

Accepted Answer

A)  secondary otitis media. 
B)  secondary sinusitis. 
C)  secondary pharyngitis. 
D)  secondary bacterial pneumonia. 
A)  secondary otitis media. 
B)  secondary sinusitis. 
C)  secondary pharyngitis. 
D)  secondary bacterial pneumonia.

Question 4

What organism is the predominate cause of epiglottis?

Accepted Answer

A)  Haemophilus influenzae 
B)  Streptococcus pneumoniae 
C)  Moraxella catarrhalis 
D)  Bordetella pertussis 
A)  Haemophilus influenzae 
B)  Streptococcus pneumoniae 
C)  Moraxella catarrhalis 
D)  Bordetella pertussis

Question 5

What common condition will predispose individuals to acute sinusitis?

Accepted Answer

A)  Cold sores 
B)  Ear infections 
C)  Nosebleeds 
D)  Allergies 
A)  Cold sores 
B)  Ear infections 
C)  Nosebleeds 
D)  Allergies

Question 6

Nosocomial pneumonia is commonly caused by all of the following, except

Accepted Answer

A)  Pseudomonas aeruginosa. 
B)  Streptococcus pneumoniae. 
C)  Acinetobacter baumannii. 
D)  Methicillin-resistant Staphylococcus aureus. 
A)  Pseudomonas aeruginosa. 
B)  Streptococcus pneumoniae. 
C)  Acinetobacter baumannii. 
D)  Methicillin-resistant Staphylococcus aureus.

Question 7

Why is pharyngitis produced by group A Streptococcus treated with antimicrobial agents?

Accepted Answer

A)  To prevent rheumatic fever and acute glomerulonephritis 
B)  To prevent epiglottis 
C)  To prevent swelling of the tonsils 
D)  To prevent swelling of soft tissues in the pharynx 
A)  To prevent rheumatic fever and acute glomerulonephritis 
B)  To prevent epiglottis 
C)  To prevent swelling of the tonsils 
D)  To prevent swelling of soft tissues in the pharynx

Question 8

When reading culture plates from respiratory specimens, what must the microbiologist take into consideration?

Accepted Answer

A)  The types of organisms normally found at the culture site 
B)  The amount of media inoculated 
C)  The quality control performed on the media 
D)  The patient's physician 
A)  The types of organisms normally found at the culture site 
B)  The amount of media inoculated 
C)  The quality control performed on the media 
D)  The patient's physician

Question 9

All the following are virulence factors that allow microorganisms to produce disease, except

Accepted Answer

A)  adherence. 
B)  toxin production. 
C)  mucus production. 
D)  host evasion. 
A)  adherence. 
B)  toxin production. 
C)  mucus production. 
D)  host evasion.

Question 10

All the following are potentially pathogenic organisms found in the nasopharynx of healthy individuals, except

Accepted Answer

A)  Haemophilus influenzae. 
B)  Streptococcus pneumoniae. 
C)  Streptococcus mutans. 
D)  Neisseria meningitidis. 
A)  Haemophilus influenzae. 
B)  Streptococcus pneumoniae. 
C)  Streptococcus mutans. 
D)  Neisseria meningitidis.

Question 11

All of the following factors can help the microbiologist differentiate between colonization and infection, except

Accepted Answer

A)  presence of a pure culture or mixed biota on the culture plates. 
B)  method and site of collection of the specimen. 
C)  presence of white blood cells and the number of organisms seen on Gram stain. 
D)  a compatible clinical syndrome. 
A)  presence of a pure culture or mixed biota on the culture plates. 
B)  method and site of collection of the specimen. 
C)  presence of white blood cells and the number of organisms seen on Gram stain. 
D)  a compatible clinical syndrome.

Question 12

What bacterium may cause up to 50% of all cases of pneumonia in the summer months?

Accepted Answer

A)  Mycoplasma pneumoniae 
B)  Streptococcus pneumoniae 
C)  Klebsiella pneumoniae 
D)  Haemophilus influenzae 
A)  Mycoplasma pneumoniae 
B)  Streptococcus pneumoniae 
C)  Klebsiella pneumoniae 
D)  Haemophilus influenzae

Exam 32: Upper and Lower Respiratory Tract Infections

What virus causes community-wide seasonal outbreaks of bronchiolitis in infants?

What is the most common cause of community-acquired pneumonia in adults?

Patients with influenza virus infection are predisposed to

What organism is the predominate cause of epiglottis?

What common condition will predispose individuals to acute sinusitis?

Nosocomial pneumonia is commonly caused by all of the following, except

Why is pharyngitis produced by group A Streptococcus treated with antimicrobial agents?

When reading culture plates from respiratory specimens, what must the microbiologist take into consideration?

All the following are virulence factors that allow microorganisms to produce disease, except

All the following are potentially pathogenic organisms found in the nasopharynx of healthy individuals, except

All of the following factors can help the microbiologist differentiate between colonization and infection, except

What bacterium may cause up to 50% of all cases of pneumonia in the summer months?

Bacterial Cell Structure, Physiology, Metabolism, and Genetics

Hostparasite Interaction

The Laboratory Role in Infection Control

Control of Microorganisms

Performance Improvement in the Microbiology Laboratory

Specimen Collection and Processing

Microscopic Examination of Materials From Infected Sites

Use of Colony Morphology for the Presumptive Identification of Microorganisms

Biochemical Identification of Gram-Negative Bacteria

Immunodiagnosis of Infectious Diseases

Applications of Molecular Diagnostics

Antimicrobial Agent Mechanisms of Action and Resistance Mechanisms

Antimicrobial Susceptibility Testing

Staphylococci

Streptococcus, Enterococcus, and Other Catalase-Negative, Gram-Positive Cocci

Aerobic Gram-Positive Bacilli

Neisseria Species and Moraxella Catarrhalis

Haemophilus, Hacek, Legionella, and Other Fastidious Gram-Negative Bacilli

Enterobacteriaceae

Vibrio, Aeromonas, and Campylobacter Species

Nonfermenting and Miscellaneous Gram-Negative Bacilli

Anaerobes of Clinical Importance

The Spirochetes

Chlamydia, Rickettsia, and Similar Organisms

Mycoplasma and Ureaplasma

Mycobacterium Tuberculosis and Nontuberculous Mycobacteria

Medically Significant Fungi

Diagnostic Parasitology

Clinical Virology

Agents of Bioterror and Forensic Microbiology

Biofilms: Architects of Disease

Skin and Soft Tissue Infections

Gastrointestinal Infections and Food Poisoning

Infections of the Central Nervous System

Bacteremia and Sepsis

Urinary Tract Infections

Genital Infections and Sexually Transmitted Infections

Infections in Special Populations

Zoonotic Diseases

Ocular Infections

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