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10 Cards in this Set

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Shared characteristics of Neisseria gonorrhoeae & N. meningitidis
Gram - diplococci, kidney shaped
pili for attachment to epithelia
aerobic but require increased CO2 for growth
optimal growth @ 35-37C in moist environment
nonmotile/nonsporeforming
FASTIDIOUS (sensitive to dessication)
General unique characteristics of N. gonorrhoeae
Isolated from urethra, cervix, rectum, pharynx
occas. isolated from CSF, joints, skin
sexual transmission
localized inflammation
rarely lethal
VERY FASTIDIOUS
non-encapsulated
General unique characteristics of N. meningitidis
Isolated fom CSF, blood
Normal nasopharyngeal flora
transmission by respiratory secretions/air droplets
systemic infection
life threatening
less fastidious - will grow on SBA
ENCAPSULATED
diseases manifested by N. gonorrhoeae
Gonorrhea - endocervix in females, urethra in males
Pharyngitis
Arthritis
PID - untreated sequelae
appropriate growth media for N. gonorrhoeae
Remember N. gonorrhoeae is FASTIDIOUS
Chocolate agar
Modified Thayer Martin MTM - (Vancomycin, Colistin, Nystatin, Trimethoprim)

Incubate in 3-5% CO2 @ 35C
appropriate growth media for N. meningitidis
SBA
Chocolate agar

Incubate in 3-5% CO2 @ 35C
Biochemical identifucation of N. Gonorrhoeae
Catalase +
Oxidase +
Carbohydrate Utilization Test using Cysteine Tryptic Agar
Glucose + / Maltose -
Lactose - / Sucrose -
Biochemical identification of N. meningitidis
Catalase +
Oxidase +
Carbohydrate Utilization Test using Cysteine Tryptic Agar
Glucose + / Maltose +
Lactose - / Sucrose -
(only dif between N. gono is Maltose is +)
Characteristics of Moraxella (Branhamella) catarrhalis
Gram - cocci
Normal flora of Upper resp. tract
not as fastidious as Neisseria species
Diseases manifested by M. catarrhalis
Otitis media
sinusitis
pneumonia & bronchitis in immunocompromised & elderly