Bacteriology - Gram Negative Bacteria Flashcards Preview

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Flashcards in Bacteriology - Gram Negative Bacteria Deck (80)
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1

Ferments Maltose and Glucose

N. meningitidis

2

Ferments Glucose only

N. gonorrhoeae

3

MCC of meningitis among 2-18yo

N. meningitidis (recall: BEL for neonates; NHS for infants)

4

fever, shock, purpura, DIC, thrombocytopenia, ADRENAL INSUFFICIENCY

Waterhouse Frriderichsen Syndrome (most severe form of meningococcemia)

5

DOC for meningococcemia (N meningitidis)

Pen G

6

Strains included in capsular polysaccharide vaccine for meningococcemia

A, C, Y, W-135

7

Chemoprophylaxis for close contacts of meningococcemia

Rifampin

8

MCC of urethritis

N. gonorrhoeae

9

MCC of PID

N. gonorrhoeae

10

Violin string adhesions (perihepatitis)

Fitz-Hugh-Curtis Syndrome

11

MCC of septic arthritis in sexually active adults

N. gonorrhoeae

12

DOC for gonorrhea

Ceftriaxone + doxycycline (due to frequent co-infection with chlamydia)

13

HACEK organisms causinf culture negative subacute bacterial endocarditis

Haemophilus aphrophilus; Actinobacillus actinomycetemcomitans; Cardiobacterium hominis; Eikenella corrodens; Kingella kingae

14

Satellite phenomenon around s. aureus colonies

haemophilus influenzae

15

Factors added to chocolate agar for H influenzae cultures

Factors 5(NAD) and 10 (hemin)

16

Cherry red epiglottis, Thumb sign

Epiglottitis

17

MCC of epiglotittis

haemophilus influenzae

18

DOC for haemophilus

ceftriaxone

19

Cause of laryngotracheobronchitis

parainfluenza 1 and 2

20

Steeple Sign

laryngotracheobronchitis

21

Tx for laryngotracheobronchitis

racemic epinephrine

22

DOC for pertussis

erythromycin

23

Silver stain, charcoal yeast extract agar (iron and cysteine)

Legionella

24

Phases of pertussis

Incubation; Catarrhal (Mucuos membrane - highest bacterial load); Paroxysmal (whooping); Convalescent

25

Cause of Pontiac fever (mild, flulike illness)

Legionella

26

DOC for legionella

azithromycin or erythromycin

27

lactose fermenter, characteristic "green sheen" on EMB Agar

escherichia coli

28

urease positive, ESBL

klebsiella pneumoniae

29

comma shaped, motile, oxidase positive

Vibrio (other comma - helicobacter, campylobacter and corynebacterium)

30

Non-lactose fermenters gram negative rods (4)

Salmonella, Shigella, Proteus, Pseudomonas