GRAM- COCCI

Cards (33)

  • What type of bacteria is Neisseria classified as?
    Gram-negative intracellular diplococci
  • What is the shape of Neisseria bacteria?

    They resemble coffee beans or kidney beans, except for N. elongata which is rod-shaped
  • What are the oxygen requirements for Neisseria species?

    They are obligate aerobes
  • What is the carbon dioxide requirement for Neisseria species?

    They are capnophilic
  • What is the motility status of Neisseria species?

    They are nonmotile
  • What is the catalase test result for Neisseria species?
    They are catalase positive, except for N. elongata
  • What is the oxidase test result for Neisseria species?

    They are oxidase positive
  • What are the main clinical significance of N. gonorrhoeae?
    • Leading cause of STD
    • Causes purulent urethritis in males
    • Causes cervicitis in females
    • Can lead to ophthalmia neonatorum in newborns
  • What are the main clinical significance of N. meningitides?
    • Causes meningitis
    • Associated with hemorrhage in the adrenal gland
    • Related to Waterhouse-Friderichsen syndrome
  • How often are other Neisseria species involved in human infections?
    They are rarely involved in human infections
  • What was the previous name of Moraxella catarrhalis?
    Branhamella catarrhalis
    Neisseria catarrhalis
  • What is the presumptive identification test for N. gonorrhoeae?

    Superoxol test
  • What antibiotic is used for treating N. gonorrhoeae infections?Erythromycin
  • What is the purpose of JEMBEC transport medium?
    It is used for transporting Neisseria species
  • What is the significance of hydrogen peroxide in the context of Neisseria?

    It produces bubbles when tested
  • What does signify sterilization in laboratory settings?

    temperature
  • What is the significance of the term "tenitization" in the study material?

    It is mentioned but not clearly defined in the context
  • What is the Neisseria species that is negative to Lactose, but positive to glucose, maltose, and sucrose?

    N. subflava
  • What is the abbreviation for the Neisseria species that is catalase positive?

    N. lactamica
  • What is the abbreviation for the Neisseria species that is catalase negative?

    N. elongata
  • What is the abbreviation for the Neisseria species that is oxidase positive?

    N. gonorrhoeae
  • What is the abbreviation for the Neisseria species that is oxidase negative?

    N. elongata
  • What is the abbreviation for the Neisseria species that is nonmotile?

    N. gonorrhoeae
  • What is the abbreviation for the Neisseria species that is capnophilic?

    N. meningitides
  • What is the abbreviation for the Neisseria species that is obligate aerobes?

    N.gonorrhoeae
  • Concentration of oxygen and carbon on obligate aerobes
    21% Oxygen, 0.3% CO2
  • A Neisseria spp. that is the only one that have a rod-shape and catalase negative
    N. elongate
  • A type of spot test that serves as a presumptive test for N. gonorrhoeae

    Superoxol
  • Negative for glucose, maltose, sucrose and lactose

    M. catarrhalis
  • Neisseria spp. that is only positive to glucose
    N. gonorrhoeae
  • A Neisseria spp. that is positive for glucose and maltose but negative for sucrose and lactose
    N. meningitidis
  • A Neisseria spp. that is positive for glucose, maltose and lactose but negative for sucrose
    N. lactamica
  • Reagent of Superoxol
    30% Super Hydrogen Peroxide