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Microbiology Unit 4 > Meningitis part one > Flashcards

Meningitis part one Flashcards

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Biology 101 flashcards
1
Q

what are the four types of meningitis that we studied in class?

A

Pneumococcal meningitis
Meningococcal meningitis
HiB meningitis
Neonatal meningitis

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2
Q

what is the causative pathogen of Pneumococcal meningitis?

A

Streptococcus pneumoniae

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3
Q

what is the causative pathogen of Meningococcal meningitis

A

Neisseria meningitides

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4
Q

what is the causative pathogen of HiB meningitis

A

Hemophilus influenzae

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5
Q

what is the causative pathogen of Neonatal meningitis

A

Streptococcus agalactiae and E. coli

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6
Q

virulence factors of Pneumococcal meningitis?

A

Capsule (prevents C3b deposition and aids attachment)

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7
Q

virulence factors of Meningococcal meningitis?

A

Capsule (prevents C3b deposition and aids attachment)
Endotoxin

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8
Q

virulence factors of HiB meningitis

A

Capsule

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9
Q

virulence factors of Neonatal meningitis

A

N/A/

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10
Q

list two roles of capsule in virulence factors of meningitis

A
  • prevent C3b deposition
  • aid attachment
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11
Q

other organism features of Pneumococcal meningitis (4)

A
  • Gram+
  • diplococcus
  • alpha hemolytic
  • opportunist
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12
Q

other organism features of Meningococcal meningitis

A
  • Gram(-)
  • coccus
    -Gram(-) bacteria bleb their outer membrane, resulting in a massive inflammatory response in the CNS causing endotoxic shock
  • capillary damage due to shock causes rash
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13
Q

other organism features of HiB meningitis (1)

A

Gram negative rod

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14
Q

other organism features of Neonatal meningitis (3)

A
  • Bacitracin resistance
  • Strep
  • E. coli is GNR
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15
Q

disease features of Pneumococcal meningitis

A

primary infection destroys mucociliary escalator, or trauma that allows contact between the nasopharynx and the CNS can provide the opportunity

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16
Q

disease features of Meningococcal meningitis

A

symptoms are typical of meningitis along with a rash of purplish spots called petechiae

17
Q

what is petechiae?

A

rash of purplish spots, found in Meningococcal meningitis infection

18
Q

disease features of HiB meningitis

A

N/A

19
Q

disease features of Neonatal meningitis

A

from mother during childbirth can cause infection in the infant

Microbiology Unit 4 (19 decks)

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