Question 1

What do aeromonad colonies look like on cefsulodin-irgasan-novobiocin (CIN)agar?

Accepted Answer

A)  Purple colonies 
B)  Clear colonies 
C)  Green colonies 
D)  Pink colonies 
A)  Purple colonies 
B)  Clear colonies 
C)  Green colonies 
D)  Pink colonies

Question 2

What two biochemical tests help distinguish Aeromonas species from other enterics?

Accepted Answer

A)  Oxidase and indole 
B)  Oxidase and Simmon's citrate 
C)  Simmon's citrate and indole 
D)  Voges-Proskauer (VP) and indole 
A)  Oxidase and indole 
B)  Oxidase and Simmon's citrate 
C)  Simmon's citrate and indole 
D)  Voges-Proskauer (VP) and indole

Question 3

How is cholera treated?

Accepted Answer

A)  Tetracycline 
B)  Copious amounts of intravenous fluids 
C)  Aminoglycosides with a large amount of intravenous fluids 
D)  Rest and cold showers 
A)  Tetracycline 
B)  Copious amounts of intravenous fluids 
C)  Aminoglycosides with a large amount of intravenous fluids 
D)  Rest and cold showers

Question 4

What organism has a microscopic morphology of tiny gram-negative rods,curved,with S-shapes or seagull-wing shapes on Gram stain?

Accepted Answer

A)  Helicobacter 
B)  Campylobacter 
C)  Haemophilus 
D)  Acinetobacter 
A)  Helicobacter 
B)  Campylobacter 
C)  Haemophilus 
D)  Acinetobacter

Question 5

How is Helicobacter pylori presumptively identified?

Accepted Answer

A)  A culture of a gastric biopsy 
B)  A culture of gastric scrapings 
C)  A rapid oxidase test done on gastric scrapings 
D)  A rapid urease test done on a gastric biopsy 
A)  A culture of a gastric biopsy 
B)  A culture of gastric scrapings 
C)  A rapid oxidase test done on gastric scrapings 
D)  A rapid urease test done on a gastric biopsy

Question 6

What Vibrio species is most infrequently isolated in the laboratory?

Accepted Answer

A)  Vibrio alginolyticus 
B)  V. parahaemolyticus 
C)  V. cholerae 
D)  V. vulnificus 
A)  Vibrio alginolyticus 
B)  V. parahaemolyticus 
C)  V. cholerae 
D)  V. vulnificus

Question 7

What species of Aeromonas is the most frequently associated with gastrointestinal infections?

Accepted Answer

A)  Aeromonas hydrophila 
B)  A. caviae 
C)  A. veronii 
D)  A. sobria 
A)  Aeromonas hydrophila 
B)  A. caviae 
C)  A. veronii 
D)  A. sobria

Exam 20: Vibrio,aeromonas,plesiomonas and Campylobacter Species

What do aeromonad colonies look like on cefsulodin-irgasan-novobiocin (CIN)agar?

What two biochemical tests help distinguish Aeromonas species from other enterics?

How is cholera treated?

What organism has a microscopic morphology of tiny gram-negative rods,curved,with S-shapes or seagull-wing shapes on Gram stain?

How is Helicobacter pylori presumptively identified?

What Vibrio species is most infrequently isolated in the laboratory?

What species of Aeromonas is the most frequently associated with gastrointestinal infections?

Bacterial Cell Structure, physiology, Metabolism, and Genetics

Host-Parasite Interaction

Laboratory Role in Infection Control

Control of Microorganisms

Performance Improvement in the Microbiology Laboratory

Specimen Collection and Processing

Microscopic Examination of Infected Materials

Use of Colonial Morphology for the Presumptive Identification of Microorganisms

Biochemical Identification of Gram-Negative Bacteria

Immunodiagnosis of Infectious Diseases

Applications of Molecular Diagnostics

Antibiotic Mechanisms of Action and Resistance

Antimicrobial Susceptibility Testing

Staphylococci

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

Aerobic Gram-Positive Bacilli

Neisseria Species and Moraxella Catarrhalis

Haemophilus and Other Fastidious Gram-Negative Bacilli

Enterobacteriaceae

Nonfermenting and Miscellaneous Gram-Negative Bacilli

Anaerobes of Clinical Importance

Spirochetes

Chlamydia and Rickettsia

Mycoplasma and Ureaplasma

Mycobacterium Tuberculosis and Other Nontuberculosis Mycobacteria

Medically Significant Fungi

Diagnostic Parasitology

Clinical Virology

Agents of Bioterror

Biofilms: Architects of Disease

Upper and Lower Respiratory Tract Infections

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 Diseases

Infections in Special Populations

Zoonotic Diseases

Ocular Infections

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