Gram Negative Bacteria

Question 1

common in college students and military

Answer 1

neisseria meningitidis

Question 2

presentation: neisseria meningitidis

Answer 2

fever, chills
meningitis
adrenal hemorrhage

Question 3

Waterhouse-Friderichsen syndrome

Answer 3

adrenal hemorrhage associated with N. meningitidis

presents in DIC

Question 4

Treatment: N. meningitidis

Answer 4

Penicillin, Ceftriaxone

Question 5

increased risk with terminal complement deficiency

Answer 5

Neisseria infections

Question 6

Neisseria virulence factors

Answer 6

IgA protease
Pili

Question 7

gram negative rod that gram stains poorly, best visualized with silver stain

Answer 7

Legionella pneumophilia

Question 8

grows on charcoal yeast extract with iron and cysteine

Answer 8

Legionella pneumophilia

Question 9

aerosal transmission from contaminated water sources

Answer 9

Legionella pneumophilia

Question 10

[disease] increased risk in smokers, severe lobar pneumonia, high fever, GI symptoms, CNS symptoms, hyponatremia

Answer 10

Legionnaire’s disease

Question 11

CNS symptoms of Legionnaires

Answer 11

confusion, encephalopathy

Question 12

milder version of Legionnaires without respiratory symptoms

Answer 12

Pontiac fever

Question 13

Legionella pneumophilia diagnosis

Answer 13

urine antigen tests

Question 14

Legionella pneumophilia Treatment

Answer 14

macrolide
fluoroquinolone

Question 15

C. psittaci

Answer 15

avian spread pneumonia