Question 1

Differentiation of the pleomorphic strains of streptococci and the similar corynebacteria or lactobacilli can be best accomplished by

Accepted Answer

A) examination of Gram stain of colony. 
B) vancomycin susceptibility testing. 
C) serologic testing. 
D) examination of morphology following growth in thioglycollate broth. 
A) examination of Gram stain of colony. 
B) vancomycin susceptibility testing. 
C) serologic testing. 
D) examination of morphology following growth in thioglycollate broth. D

Question 2

Streptococcus agalactiae can be described as

Accepted Answer

A) able to hydrolyze hippurate. 
B) alpha hemolytic. 
C) a major cause of.pharyngitis. 
D) often carrying an antiphagocytic capsule. 
E) All of the above are true. 
A) able to hydrolyze hippurate. 
B) alpha hemolytic. 
C) a major cause of.pharyngitis. 
D) often carrying an antiphagocytic capsule. 
E) All of the above are true. A

Question 3

What name is given to the type of hemolysis that produces incomplete hemolysis and a greening discoloration 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 C

Question 4

A vancomycin-resistant cocci is likely not

Accepted Answer

A) Pediococcus. 
B) Leuconostocs. 
C) streptococci. 
D) lactobacilli. 
A) Pediococcus. 
B) Leuconostocs. 
C) streptococci. 
D) lactobacilli.

Question 5

What morphologic feature is a major consideration in determining an identification scheme for streptococci?

Accepted Answer

A) Colony shape and color 
B) Hemolytic pattern 
C) Smell 
D) Consistency 
A) Colony shape and color 
B) Hemolytic pattern 
C) Smell 
D) Consistency

Question 6

Streptococcus pneumoniae can be described as

Accepted Answer

A) susceptible to bile and optochin. 
B) alpha hemolytic. 
C) a major cause of bacterial meningitis. 
D) often carrying an antiphagocytic capsule. 
E) All of the above are true. 
A) susceptible to bile and optochin. 
B) alpha hemolytic. 
C) a major cause of bacterial meningitis. 
D) often carrying an antiphagocytic capsule. 
E) All of the above are true.

Question 7

Erythrogenic toxin, hyaluronidase, and hemolysins S and O are extracellular products of

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 8

Development of glomerulonephritis is a problem 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 9

The bacterial species that can be described as able to grow in 6.5% NaCl and 40% bile, part of the normal fecal flora of animals and humans, usually nonhemolytic, and a major cause of nosocomial infections is

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 10

Nutritionally variant streptococci (Abiotrophia)

Accepted Answer

A) require vitamin B6 for growth. 
B) will grow on 5% sheep blood agar. 
C) form satelliting colonies around Haemophilus species. 
D) require vitamin K for growth. 
A) require vitamin B6 for growth. 
B) will grow on 5% sheep blood agar. 
C) form satelliting colonies around Haemophilus species. 
D) require vitamin K for growth.

Question 11

Optochin, PYR, bile solubility, esculin, and 6.5% NaCl are tests most likely performed on a/an

Accepted Answer

A) alpha-hemolytic streptococcus. 
B) beta-hemolytic streptococcus. 
C) nonhemolytic streptococcus. 
D) All of the above are correct. 
A) alpha-hemolytic streptococcus. 
B) beta-hemolytic streptococcus. 
C) nonhemolytic streptococcus. 
D) All of the above are correct.

Question 12

The major etiologic agent of bacterial endocarditis in the United States is

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 13

The drug of choice for most streptococcal infections is

Accepted Answer

A) vancomycin. 
B) streptomycin. 
C) penicillin. 
D) Septra. 
A) vancomycin. 
B) streptomycin. 
C) penicillin. 
D) Septra.

Question 14

Generally speaking, nutritionally variant streptococci require what ingredient not found in most conventional media?

Accepted Answer

A) Vitamin B6. 
B) Nalidixic acid and its components 
C) NAD enrichment 
D) Blood or blood products 
A) Vitamin B6. 
B) Nalidixic acid and its components 
C) NAD enrichment 
D) Blood or blood products

Question 15

CAMP factor is produced by

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 16

Bacitracin, PYR, CAMP and hippurate are tests most likely performed on a/an

Accepted Answer

A) alpha-hemolytic streptococcus. 
B) beta-hemolytic streptococcus. 
C) nonhemolytic streptococcus. 
D) All of the above are correct. 
A) alpha-hemolytic streptococcus. 
B) beta-hemolytic streptococcus. 
C) nonhemolytic streptococcus. 
D) All of the above are correct.

Question 17

Not only normal flora of humans and animals, this genus of bacteria contains agents of important diseases such as rheumatic fever, glomerulonephritis, and exudative pharyngitis.

Accepted Answer

A) Staphylococcus 
B) Streptococcus 
C) Enterococcus 
D) Micrococcus 
A) Staphylococcus 
B) Streptococcus 
C) Enterococcus 
D) Micrococcus

Question 18

The bacterial species that can be described as able to hydrolyze hippurate, beta hemolytic, a major cause of neonatal meningitis and sepsis, and producer of the CAMP factor is

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 19

The bacterial species that can be described as susceptible to penicillin and bacitracin, beta hemolytic, a major cause of bacterial pharyngitis, and often carrying an antiphagocytic M protein is

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 20

The bacterial species that can be described as susceptible to bile and optochin, alpha hemolytic, a major cause of bacterial meningitis, and often carrying an antiphagocytic capsule is

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.

Exam 14: Streptococcus, Enterococcus, and Similar Organisms

Differentiation of the pleomorphic strains of streptococci and the similar corynebacteria or lactobacilli can be best accomplished by

Streptococcus agalactiae can be described as

What name is given to the type of hemolysis that produces incomplete hemolysis and a greening discoloration of the medium?

A vancomycin-resistant cocci is likely not

What morphologic feature is a major consideration in determining an identification scheme for streptococci?

Streptococcus pneumoniae can be described as

Erythrogenic toxin, hyaluronidase, and hemolysins S and O are extracellular products of

Development of glomerulonephritis is a problem that may be encountered by patients infected with

The bacterial species that can be described as able to grow in 6.5% NaCl and 40% bile, part of the normal fecal flora of animals and humans, usually nonhemolytic, and a major cause of nosocomial infections is

Nutritionally variant streptococci (Abiotrophia)

Optochin, PYR, bile solubility, esculin, and 6.5% NaCl are tests most likely performed on a/an

The major etiologic agent of bacterial endocarditis in the United States is

The drug of choice for most streptococcal infections is

Generally speaking, nutritionally variant streptococci require what ingredient not found in most conventional media?

CAMP factor is produced by

Bacitracin, PYR, CAMP and hippurate are tests most likely performed on a/an

Not only normal flora of humans and animals, this genus of bacteria contains agents of important diseases such as rheumatic fever, glomerulonephritis, and exudative pharyngitis.

The bacterial species that can be described as able to hydrolyze hippurate, beta hemolytic, a major cause of neonatal meningitis and sepsis, and producer of the CAMP factor is

The bacterial species that can be described as susceptible to penicillin and bacitracin, beta hemolytic, a major cause of bacterial pharyngitis, and often carrying an antiphagocytic M protein is

The bacterial species that can be described as susceptible to bile and optochin, alpha hemolytic, a major cause of bacterial meningitis, and often carrying an antiphagocytic capsule 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