Question 1

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

Accepted Answer

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

Question 2

A microbiologist is working the miscellaneous bench reading stool cultures.The campy plate from a culture has growth on the plate that was incubated at 42° C.The colonies are nonhemolytic, moist, "runny looking," and spreading.The Gram stain shows tiny gram-negative rods with some S-shapes and seagull-wing shapes.What is growing on the plate?

Accepted Answer

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

Question 3

What two biochemical tests help distinguish Aeromonas spp.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 4

What is the name of the organism that is responsible for "summer diarrhea" in Japan?

Accepted Answer

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

Question 5

What is the name of the organism that causes the disease cholera?

Accepted Answer

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

Question 6

What temperature is an optimal growth temperature for Campylobacter jejuni?

Accepted Answer

A) 35° C 
B) 42° C 
C) 25° C 
D) 60° C 
A) 35° C 
B) 42° C 
C) 25° C 
D) 60° C

Question 7

What organism may play a role in Guillain-Barré syndrome (GBS)?

Accepted Answer

A) Helicobacter 
B) Aeromonas 
C) Campylobacter 
D) Plesiomonas 
A) Helicobacter 
B) Aeromonas 
C) Campylobacter 
D) Plesiomonas

Exam 20: Vibrio, Aeromonas, Plesiomonas, and Campylobacter Species

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

What two biochemical tests help distinguish Aeromonas spp.from other enterics?

What is the name of the organism that is responsible for "summer diarrhea" in Japan?

What is the name of the organism that causes the disease cholera?

What temperature is an optimal growth temperature for Campylobacter jejuni?

What organism may play a role in Guillain-Barré syndrome (GBS)?

Bacterial Cell Structure, Physiology, Metabolism, and Genetics

Host-Parasite 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

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

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

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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