Question 1

Of the following species, which are widely distributed in nature and hospital environments?

Accepted Answer

A) Pseudomonas luteola 
B) Acinetobacter spp. 
C) Pseudomonas oryzihabitans 
D) Bordetella trematum 
A) Pseudomonas luteola 
B) Acinetobacter spp. 
C) Pseudomonas oryzihabitans 
D) Bordetella trematum B

Question 2

The primary drug of choice for infections caused by S.maltophilia is

Accepted Answer

A) a beta-lactam agent in combination with an aminoglycoside. 
B) trimethoprim-sulfamethoxazole. 
C) ticarcillin/clavulanic acid. 
D) chloramphenicol. 
A) a beta-lactam agent in combination with an aminoglycoside. 
B) trimethoprim-sulfamethoxazole. 
C) ticarcillin/clavulanic acid. 
D) chloramphenicol. B

Question 3

Differentiation of S.maltophilia and Burkholderia cepacia is best accomplished by

Accepted Answer

A) the oxidase test. 
B) maltose and glucose medium. 
C) tyrosine-enriched heart infusion agar. 
D) All of the above are correct. 
A) the oxidase test. 
B) maltose and glucose medium. 
C) tyrosine-enriched heart infusion agar. 
D) All of the above are correct. A

Question 4

For more serious infections caused by Acinetobacter spp., such as pneumonia or bacteremia, effective treatment may require the use of

Accepted Answer

A) multiple rounds of penicillin or similar antibiotic. 
B) a beta-lactam agent in combination with an aminoglycoside. 
C) repeated high level doses of gentamycin. 
D) single-drug therapy in combination with a steroid. 
A) multiple rounds of penicillin or similar antibiotic. 
B) a beta-lactam agent in combination with an aminoglycoside. 
C) repeated high level doses of gentamycin. 
D) single-drug therapy in combination with a steroid.

Question 5

Plump coccobacilli that tend to resist alcohol decolorization and may be mistaken for Neisseria spp.are

Accepted Answer

A) Bordetella spp. 
B) S.maltophilia. 
C) Acinetobacter spp. 
D) P.oryzihabitans. 
A) Bordetella spp. 
B) S.maltophilia. 
C) Acinetobacter spp. 
D) P.oryzihabitans.

Question 6

An organism that can be described as oxidase-negative, MacConkey agar-positive, glucose nonfermenter is likely

Accepted Answer

A) Escherichia. 
B) Pseudomonas. 
C) Acinetobacter. 
D) Moraxella. 
A) Escherichia. 
B) Pseudomonas. 
C) Acinetobacter. 
D) Moraxella.

Question 7

The natural habitat of Acinetobacter sp.can best be described as

Accepted Answer

A) the mucous membranes of animals. 
B) the gastrointestinal tract of humans and other animals. 
C) the natural environment. 
D) the genitourinary tract of animals. 
A) the mucous membranes of animals. 
B) the gastrointestinal tract of humans and other animals. 
C) the natural environment. 
D) the genitourinary tract of animals.

Exam 20: Acinetobacter, Stenotrophomonas, and Other Organisms

Of the following species, which are widely distributed in nature and hospital environments?

The primary drug of choice for infections caused by S.maltophilia is

Differentiation of S.maltophilia and Burkholderia cepacia is best accomplished by

For more serious infections caused by Acinetobacter spp., such as pneumonia or bacteremia, effective treatment may require the use of

Plump coccobacilli that tend to resist alcohol decolorization and may be mistaken for Neisseria spp.are

An organism that can be described as oxidase-negative, MacConkey agar-positive, glucose nonfermenter is likely

The natural habitat of Acinetobacter sp.can best be described as

Microbial Taxonomy

Bacterial Genetics Metabolism and Structure

Host-Microorganism Interactions

Laboratory Safety

Specimen Management

Role of Microscopy

Traditional Cultivation and Identification

Nucleic Acid-Based Analytic Methods for Microbial Identification and Characterization

Immunochemical Methods Used for Organism Detection

Serologic Diagnosis of Infectious Diseases

Principles of Antimicrobial Action Resistance

Laboratory Methods and Strategies for Antimicrobial Susceptibility Testing

Staphylococcus, Micrococcus, and Similar Organisms

Streptococcus, Enterococcus, and Similar Organisms

Bacillus and Similar Organisms

Listeria, Corynebacterium, and Similar Organisms

Erysipelothirix, Lactobacillus, and Similar Organisms

Nocardia, Streptomyces, Rhodococcus, Oerskovia, and Similar Organisms

Enterobacteriaceae

Pseudomonas, Burkholderia, and Similar Organisms

Achromobacter, Rhizobium, Ochrobactrum, and Similar Organisms

Chryseobacterium, Sphingobacterium, and Similar Organisms

Alcaligenes, Bordetella Nonpertussis, Comamonas, and Similar Organisms

Vibrio, Aeromonas, Plesiomonas Shigelloides, and Chromobacterium Violaceum

Sphingomonas Paucimobilis and Similar Organisms

Moraxella

Eikenella Corrodens and Similar Organisms

Pasteurella and Similar Organisms

Actinobacillus, Kingella, Cardiobacterium, Capnocytophaga, and Similar Organisms

Haemophilus

Bartonella and Afipia

Campylobacter, Arcobacter, and Helicobacter

Legionella

Brucella

Bordetella Pertussis and Bordetella Parapertussis

Francisella

Streptobacillus Moniliformis and Spirillum Minus

Neisseria and Moraxella Catarrhalis

Overview and General Considerations

Laboratory Considerations

Mycobacteria

Obligate Intracellular and Nonculturable Bacterial Agents

Cell Wall-Deficient Bacteria: Mycoplasma and Ureaplasma

The Spirochetes

Laboratory Methods for Diagnosis of Parasitic Infections

Laboratory Methods in Basic Mycology

Laboratory Methods in Basic Virology

Bloodstream Infections

Infections of the Lower Respiratory Tract

Upper Respiratory Tract Infections and Other Infections of the Oral Cavity and Neck

Meningitis and Other Infections of the Central Nervous Systems

Infections of the Eyes, Ears, and Sinuses

Infections of the Urinary Tract

Genital Tract Infections

Gastrointestinal Tract Infections

Skin, Soft Tissue, and Wound Infections

Normally Sterile Body Fluids, Bone and Bone Marrow, and Solid Tissues

Laboratory Physical Design, Management, and Organization

Quality in the Clinical Microbiology Laboratory

Infection Control

Sentinel Laboratory Response to Bioterrorism New

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