Question 1

Why do Thayer-Martin and Martin-Lewis media have antibiotics added?

Accepted Answer

A) To permit the growth of Neisseria spp., Mycoplasma spp., and Ureaplasma spp., because these organisms use the antibiotics as growth factors 
B) To allow the growth of gram-negative rods 
C) To allow the growth of gram-positive rods 
D) To prevent overgrowth of normal flora 
A) To permit the growth of Neisseria spp., Mycoplasma spp., and Ureaplasma spp., because these organisms use the antibiotics as growth factors 
B) To allow the growth of gram-negative rods 
C) To allow the growth of gram-positive rods 
D) To prevent overgrowth of normal flora

Question 2

How is Neisseria meningitidis spread?

Accepted Answer

A) Contaminated food 
B) Respiratory droplets 
C) Airborne 
D) Bloodborne 
A) Contaminated food 
B) Respiratory droplets 
C) Airborne 
D) Bloodborne

Question 3

What type of swab should be used for a Neisseria gonorrhoeae culture?

Accepted Answer

A) Cotton 
B) Calcium alginate 
C) Dacron 
D) Flax 
A) Cotton 
B) Calcium alginate 
C) Dacron 
D) Flax

Question 4

How should a specimen for Neisseria gonorrhoeae be transported to the laboratory?

Accepted Answer

A) Placed in the paper swab cover and transported to the laboratory at the end of the day 
B) Placed in a bacterial transport and transported to the laboratory at the end of the day 
C) Placed in a tube of broth and transported to the laboratory immediately 
D) Placed in Amies with charcoal transport system and transported to the laboratory immediately 
A) Placed in the paper swab cover and transported to the laboratory at the end of the day 
B) Placed in a bacterial transport and transported to the laboratory at the end of the day 
C) Placed in a tube of broth and transported to the laboratory immediately 
D) Placed in Amies with charcoal transport system and transported to the laboratory immediately

Question 5

Under what conditions should inoculated plates for Neisseria gonorrhoeae culture be incubated?

Accepted Answer

A) 35° C and 3% to 5% carbon dioxide 
B) 25° C and room air 
C) 35° C and room air 
D) 25° C and 3% to 5% carbon dioxide 
A) 35° C and 3% to 5% carbon dioxide 
B) 25° C and room air 
C) 35° C and room air 
D) 25° C and 3% to 5% carbon dioxide

Question 6

What organism is a commensal of the upper respiratory tract and has become an opportunistic pathogen causing upper respiratory tract infections in otherwise healthy children and the elderly?

Accepted Answer

A) Moraxella catarrhalis 
B) Neisseria lactamica 
C) N.sicca 
D) N.gonorrhoeae 
A) Moraxella catarrhalis 
B) Neisseria lactamica 
C) N.sicca 
D) N.gonorrhoeae

Question 7

Gonococcal infections occur primarily in all the following sites except:

Accepted Answer

A) urethra. 
B) endocervix. 
C) uterus. 
D) anal canal. 
A) urethra. 
B) endocervix. 
C) uterus. 
D) anal canal.

Question 8

What does bloodborne dissemination of Neisseria gonorrhoeae usually result in?

Accepted Answer

A) Pharyngitis 
B) Meningitis 
C) Purulent arthritis 
D) Pelvic inflammatory disease 
A) Pharyngitis 
B) Meningitis 
C) Purulent arthritis 
D) Pelvic inflammatory disease

Question 9

What is the specimen of choice in males for genital infections?

Accepted Answer

A) Urine 
B) Throat culture 
C) Purulent discharge 
D) Stool 
A) Urine 
B) Throat culture 
C) Purulent discharge 
D) Stool

Question 10

What Neisseria spp.can be found as part of the transient flora of the upper respiratory tract?

Accepted Answer

A) Neisseria gonorrhoeae 
B) Moraxella catarrhalis 
C) N.sicca 
D) N.meningitidis 
A) Neisseria gonorrhoeae 
B) Moraxella catarrhalis 
C) N.sicca 
D) N.meningitidis

Question 11

The symptoms of meningococcal meningitis include all of the following except:

Accepted Answer

A) frontal headache. 
B) stiff neck. 
C) backache. 
D) fever. 
A) frontal headache. 
B) stiff neck. 
C) backache. 
D) fever.

Exam 17: Neisseria Species and Moraxella Catarrhalis

Why do Thayer-Martin and Martin-Lewis media have antibiotics added?

How is Neisseria meningitidis spread?

What type of swab should be used for a Neisseria gonorrhoeae culture?

How should a specimen for Neisseria gonorrhoeae be transported to the laboratory?

Under what conditions should inoculated plates for Neisseria gonorrhoeae culture be incubated?

What organism is a commensal of the upper respiratory tract and has become an opportunistic pathogen causing upper respiratory tract infections in otherwise healthy children and the elderly?

Gonococcal infections occur primarily in all the following sites except:

What does bloodborne dissemination of Neisseria gonorrhoeae usually result in?

What is the specimen of choice in males for genital infections?

What Neisseria spp.can be found as part of the transient flora of the upper respiratory tract?

The symptoms of meningococcal meningitis include all of the following except:

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

Haemophilus and Other Fastidious Gram-Negative Bacilli

Enterobacteriaceae

Vibrio, Aeromonas, Plesiomonas, and Campylobacter Species

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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