question
To which category do most Neisseria spp. belong?
answer
Capnophilic
question
What Neisseria spp. can be found as part of the transient flora of the upper respiratory tract?
answer
N. meningitidis
question
The virulence factors for Neisseria spp. include all the following except:
answer
exotoxin.
question
If a male is infected with Neisseria gonorrhoeae, what would be the results of a Gram stain of purulent discharge from his urethra?
answer
Many polymorphonuclear white blood cells, some with gram-negative intracellular diplococci and gram-negative diplococci
question
If a Gram stain of urethral discharge from a male has more than four polymorphonuclear leukocytes per field but no bacteria, what organism is suspected of causing the infection?
answer
Chlamydia trachomatis
question
Why do Thayer-Martin and Martin-Lewis media have antibiotics added?
answer
To prevent overgrowth of normal flora
question
Under what conditions should inoculated plates for Neisseria gonorrhoeae culture be incubated?
answer
35° C and 3% to 5% carbon dioxide
question
All of the following include disadvantages of nucleic acid probes for Neisseria gonorrhoeae except:
answer
are able to identify all N. gonorrhoeae isolates, including β-lactamase-positive strains.
question
How is Neisseria meningitidis spread?
answer
Respiratory droplets
question
A young adult goes to the emergency room complaining of headache, dizziness, stiff neck, and purpura with a petechial skin rash. What two tests should the physician immediately perform?
answer
Blood and cerebrospinal fluid (CSF) culture
question
A microbiologist receives cerebrospinal fluid (CSF) in the laboratory and does a Gram stain on it. Much to her surprise, she sees intracellular and extracellular gram-negative diplococci. What is the most likely organism?
answer
N. meningitidis
question
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?
answer
Moraxella catarrhalis
Order an Essay Now & Get These Features For Free:
Turnitin Report
Formatting
Title Page
Citation
Outline
