Microbiology Review

Question 1

whooping cough

Answer 1

bordetella pertussis

Question 2

bordetella pertussis

Answer 2

gram negative aerobic coccobacilli capsulate

human reservoir

Question 3

whooping cough stages

Answer 3

catarrhal - fever, rhinorrhea, lacrimation

paroxysmal - whooping cough

convalescent - less severe cough

Question 4

klebsiella pneumonia

Answer 4

gram negative
non-motlie
capsulate rods

facultative anaerobe

Question 5

currant jelly sputum

Answer 5

klebsiella pneumonia

Question 6

community and hospital acquired pneumonias with cavitary lung lesion

Answer 6

possibly klebsiella pneumonia

Question 7

moraxella catarrhalis

Answer 7

gram negative
chocolate agar
diplococci
catalase +
oxidase +

Question 8

pneumonia in elderly

Answer 8

moraxella catarrhalis

Question 9

otitis media in young children

Answer 9

moraxella catarrhalis

Question 10

neisseria meningitidis

Answer 10

aerobic gram negative

• diplococci
• capsule
• oxidase +
• thayer martin media

Question 11

dorm or military outbreak of meningitis

Answer 11

neisseria meningitidis

Question 12

neisseria contact tx

Answer 12

rifampin

Question 13

tx of neisseria

Answer 13

PCN, 3rd gen cephalosporin

Question 14

pseudomonas aeruginosa

Answer 14

gram negative rod
-procyanin - blue/green pigment

hospital acquired infection

Question 15

hospital acquire or ventilator associated pneumonia

Answer 15

possibly pseudomonas aeruginosa

Question 16

most common cause of otitis externa

Answer 16

pseudomonas aeruginosa

Question 17

tx of pseudomonas

Answer 17

extende spectrum PCN AND aminoglycoside

-always use combo antibiotic