Question 1

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 C

Question 2

All of the following characteristics describe the genus Plesiomonas EXCEPT:

Accepted Answer

A)  Ferments glucose 
B)  Glucose positive 
C)  Oxidase negative 
D)  Facultative anaerobes 
A)  Ferments glucose 
B)  Glucose positive 
C)  Oxidase negative 
D)  Facultative anaerobes C

Question 3

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 B

Question 4

Infections with Vibrio spp.can be contracted in all of the following situations EXCEPT:

Accepted Answer

A)  Increased travel to either coastal or cholera-endemic areas 
B)  Increased consumption of seafood (particularly uncooked) 
C)  Greater numbers of Vibrio spp. in the environment 
D)  Increased use of recreational water facilities 
A)  Increased travel to either coastal or cholera-endemic areas 
B)  Increased consumption of seafood (particularly uncooked) 
C)  Greater numbers of Vibrio spp. in the environment 
D)  Increased use of recreational water facilities

Question 5

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 6

When collecting specimens that may contain Campylobacter spp.bacteria,what transport medium should they be placed in,if a delay in transport is possible?

Accepted Answer

A)  Bordet-Gengou 
B)  Regan-Lewis 
C)  Aimes 
D)  Cary-Blair 
A)  Bordet-Gengou 
B)  Regan-Lewis 
C)  Aimes 
D)  Cary-Blair

Question 7

A patient is brought to the emergency department with a severe case of gastroenteritis.The patient experienced gastrointestinal upset after eating raw oysters.What organism can be the culprit of this patient's condition?

Accepted Answer

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

Question 8

What is the name of the organism that is strongly associated with gastric,peptic,and duodenal ulcers as well as GI carcinoma?

Accepted Answer

A)  Campylobacter jejuni 
B)  Helicobacter pylori 
C)  C. curvus 
D)  H. rectus 
A)  Campylobacter jejuni 
B)  Helicobacter pylori 
C)  C. curvus 
D)  H. rectus

Question 9

Aeromonads are generally susceptible to all these antibiotics EXCEPT:

Accepted Answer

A)  Trimethoprim-sulfamethoxazole 
B)  Vancomycin 
C)  Aminoglycosides 
D)  Quinolones 
A)  Trimethoprim-sulfamethoxazole 
B)  Vancomycin 
C)  Aminoglycosides 
D)  Quinolones

Question 10

What organism is the most common cause of bacterial gastroenteritis worldwide?

Accepted Answer

A)  Campylobacter jejuni 
B)  C. fetus 
C)  C. lari 
D)  C. coli 
A)  Campylobacter jejuni 
B)  C. fetus 
C)  C. lari 
D)  C. coli

Question 11

Plesiomonas spp.cause all of the following clinical types of gastroenteritis EXCEPT:

Accepted Answer

A)  The more common watery or secretory diarrhea 
B)  A second subacute or chronic disease that lasts between 14 days and 2 to 3 months 
C)  A more invasive, dysenteric form that resembles colitis 
D)  A hemorrhagic diarrhea 
A)  The more common watery or secretory diarrhea 
B)  A second subacute or chronic disease that lasts between 14 days and 2 to 3 months 
C)  A more invasive, dysenteric form that resembles colitis 
D)  A hemorrhagic diarrhea

Question 12

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 13

Which of the following is a curved,gram-negative rod that grows on TCBS agar?

Accepted Answer

A)  Vibrio 
B)  Campylobacter 
C)  Clostridium 
D)  Fusobacterium 
A)  Vibrio 
B)  Campylobacter 
C)  Clostridium 
D)  Fusobacterium

Question 14

What is the drug of choice for treating intestinal campylobacteriosis?

Accepted Answer

A)  Erythromycin 
B)  Gentamicin 
C)  Vancomycin 
D)  Imipenem 
A)  Erythromycin 
B)  Gentamicin 
C)  Vancomycin 
D)  Imipenem

Question 15

What disease manifests in acute cases as a severe gastroenteritis,accompanied by vomiting followed by diarrheic stools that are described as rice water and occur 10 to 30 times a day?

Accepted Answer

A)  Cholera 
B)  Typhoid 
C)  Dysentery 
D)  Food poisoning 
A)  Cholera 
B)  Typhoid 
C)  Dysentery 
D)  Food poisoning

Question 16

All of the following are biochemical characteristics of Vibrio spp.EXCEPT:

Accepted Answer

A)  Ferments glucose 
B)  Reduce nitrate to nitrite 
C)  Halophilic 
D)  Oxidase negative 
A)  Ferments glucose 
B)  Reduce nitrate to nitrite 
C)  Halophilic 
D)  Oxidase negative

Question 17

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

Question 18

Campy-BAP contains:

Accepted Answer

A)  Brucella agar base, 10% sheep red blood cells, vancomycin, trimethoprim, polymyxin B, amphotericin B, and cephalothin 
B)  Columbia agar base, 5% sheep red blood cells, erythromycin, spectinomycin, Diflucan, and ampicillin 
C)  Brucella agar base, 5% sheep red blood cells, Zithromax, sulfamethoxazole, nystatin, amphotericin B, and imipenem 
D)  Columbia agar base, glycerol, L-cysteine, hemin, streptomycin, amphotericin B, and gentamicin 
A)  Brucella agar base, 10% sheep red blood cells, vancomycin, trimethoprim, polymyxin B, amphotericin B, and cephalothin 
B)  Columbia agar base, 5% sheep red blood cells, erythromycin, spectinomycin, Diflucan, and ampicillin 
C)  Brucella agar base, 5% sheep red blood cells, Zithromax, sulfamethoxazole, nystatin, amphotericin B, and imipenem 
D)  Columbia agar base, glycerol, L-cysteine, hemin, streptomycin, amphotericin B, and gentamicin

Question 19

What type of an atmosphere do campylobacters require for growth?

Accepted Answer

A)  Microaerophilic and capnophilic 
B)  Anaerobic and moist 
C)  Capnophilic and halophilic 
D)  Microaerophilic and high nitrogen content 
A)  Microaerophilic and capnophilic 
B)  Anaerobic and moist 
C)  Capnophilic and halophilic 
D)  Microaerophilic and high nitrogen content

Question 20

Aeromonads have been implicated in all of the following diseases EXCEPT:

Accepted Answer

A)  Osteomyelitis 
B)  Meningitis 
C)  Pneumonia 
D)  Otitis 
A)  Osteomyelitis 
B)  Meningitis 
C)  Pneumonia 
D)  Otitis

Exam 20: Vibrio,aeromonas,plesiomonas and Campylobacter Species

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

All of the following characteristics describe the genus Plesiomonas EXCEPT:

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

Infections with Vibrio spp.can be contracted in all of the following situations EXCEPT:

When collecting specimens that may contain Campylobacter spp.bacteria,what transport medium should they be placed in,if a delay in transport is possible?

A patient is brought to the emergency department with a severe case of gastroenteritis.The patient experienced gastrointestinal upset after eating raw oysters.What organism can be the culprit of this patient's condition?

What is the name of the organism that is strongly associated with gastric,peptic,and duodenal ulcers as well as GI carcinoma?

Aeromonads are generally susceptible to all these antibiotics EXCEPT:

What organism is the most common cause of bacterial gastroenteritis worldwide?

Plesiomonas spp.cause all of the following clinical types of gastroenteritis EXCEPT:

What temperature is an optimal growth temperature for Campylobacter jejuni?

Which of the following is a curved,gram-negative rod that grows on TCBS agar?

What is the drug of choice for treating intestinal campylobacteriosis?

What disease manifests in acute cases as a severe gastroenteritis,accompanied by vomiting followed by diarrheic stools that are described as rice water and occur 10 to 30 times a day?

All of the following are biochemical characteristics of Vibrio spp.EXCEPT:

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

Campy-BAP contains:

What type of an atmosphere do campylobacters require for growth?

Aeromonads have been implicated in all of the following diseases EXCEPT:

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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