Question 1

What name is given to the type of hemolysis that produces complete hemolysis and a clearing of the medium?

Accepted Answer

A) Beta hemolysis 
B) Gamma hemolysis 
C) Alpha hemolysis 
D) Kappa hemolysis 
A) Beta hemolysis 
B) Gamma hemolysis 
C) Alpha hemolysis 
D) Kappa hemolysis

Question 2

Enterococci can be described as

Accepted Answer

A) able to grow in 6.5% NaCl. 
B) usually alpha hemolytic. 
C) a major cause of pharyngitis. 
D) often carrying an antiphagocytic capsule. 
E) All of the above are true. 
A) able to grow in 6.5% NaCl. 
B) usually alpha hemolytic. 
C) a major cause of pharyngitis. 
D) often carrying an antiphagocytic capsule. 
E) All of the above are true.

Question 3

Development of acute rheumatic fever and subsequent valvular heart disease are problems that may be encountered by patients infected with

Accepted Answer

A) Enterococcus faecalis. 
B) Streptococcus pneumoniae. 
C) Streptococcus pyogenes. 
D) Streptococcus agalactiae. 
E) viridans streptococci. 
A) Enterococcus faecalis. 
B) Streptococcus pneumoniae. 
C) Streptococcus pyogenes. 
D) Streptococcus agalactiae. 
E) viridans streptococci.

Question 4

Choose the genus that is best described as a catalase-negative, gram-positive coccus that is a facultative anaerobe and that forms chains.

Accepted Answer

A) Streptococcus 
B) Stomatococcus 
C) Staphylococcus 
D) Micrococcaceae 
A) Streptococcus 
B) Stomatococcus 
C) Staphylococcus 
D) Micrococcaceae

Question 5

The rapid antigen detection methods for throat swabs used for screening patients for streptococcal pharyngitis

Accepted Answer

A) can be useful in quickly identifying most cases of streptococcal pharyngitis. 
B) is a quick way to rule out streptococcal pharyngitis and avoid giving antibiotics when not needed. 
C) are always very sensitive and specific for streptococcal pharyngitis. 
D) are a quick and accurate way to diagnose bacterial and viral pharyngitis. 
A) can be useful in quickly identifying most cases of streptococcal pharyngitis. 
B) is a quick way to rule out streptococcal pharyngitis and avoid giving antibiotics when not needed. 
C) are always very sensitive and specific for streptococcal pharyngitis. 
D) are a quick and accurate way to diagnose bacterial and viral pharyngitis.

Question 6

The drug of choice for most enterococcal infections is

Accepted Answer

A) vancomycin and a penicillin. 
B) clindamycin and vancomycin. 
C) a penicillin and an aminoglycoside. 
D) Septra. 
A) vancomycin and a penicillin. 
B) clindamycin and vancomycin. 
C) a penicillin and an aminoglycoside. 
D) Septra.

Exam 14: Streptococcus, Enterococcus, and Similar Organisms

What name is given to the type of hemolysis that produces complete hemolysis and a clearing of the medium?

Enterococci can be described as

Development of acute rheumatic fever and subsequent valvular heart disease are problems that may be encountered by patients infected with

Choose the genus that is best described as a catalase-negative, gram-positive coccus that is a facultative anaerobe and that forms chains.

The rapid antigen detection methods for throat swabs used for screening patients for streptococcal pharyngitis

The drug of choice for most enterococcal infections is

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

Bacillus and Similar Organisms

Listeria, Corynebacterium, and Similar Organisms

Erysipelothirix, Lactobacillus, and Similar Organisms

Nocardia, Streptomyces, Rhodococcus, Oerskovia, and Similar Organisms

Enterobacteriaceae

Acinetobacter, Stenotrophomonas, and Other Organisms

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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