Matching: Bacterial pneumo intro (S. pneumo, S. aureus, P. aerugo, K. pneumo)

Question 1

which are fastidious?

Answer 1

none

Question 2

which are extracellular agents?

Answer 2

all

Question 3

which can cause bacteremia/hematogenous dissemination?

Answer 3

all

Question 4

sputum contains mostly PMNs for which agents?

Answer 4

all

Question 5

MDR: which has penicillin marker?

Answer 5

S. pneumoniae (DRSP)

Question 6

MDR: which has methicillin (oxicillin) marker?

Answer 6

S. aureus (MRSA)

Question 7

MDR: which is treated with vancomycin?

Answer 7

S. aureus (MRSA)

Question 8

which agents can be MDR?

Answer 8

all

Question 9

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antecedent viral infx (i.e. flu)
loss of ciliated mucous elevator/swallow/gag reflex
innate/acquired immune compromise/defect
smoking
sickle cell disease

Answer 9

S. pneumoniae

Question 10

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antecedent viral infx (i.e. flu)
mucociliary elevator/gag/swallow dysfx
IVDU, IV therapy

Answer 10

S. aureus

Question 11

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cystic fibrosis
neutropenic
burn pts
COPD
cancer
ventilators

Answer 11

P. aeruginosa

Question 12

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alcoholics (50% of cases)
middle aged-elderly
diabetics, asplenics
immunocompromised
chronic pulmonary Dx

Answer 12

K. pneumoniae

Question 13

for which agents are humans the only hosts?

Answer 13

S. pneumoniae

S. aureus

Question 14

which agents are gram positive cocci?

Answer 14

S. pneumoniae

S. aureus

Question 15

which agents are GNRs?

Answer 15

P. aeruginosa

K. pneumoniae

Question 16

which GNR is oxidase positive?

Answer 16

P. aeruginosa

Question 17

which GNR is oxidase negative?

Answer 17

K. pneumoniae

Question 18

which agent produces coagulase?

Answer 18

S. aureus

Question 19

which agents do not produce coagulase?

Answer 19

S. pneumoniae
P. aeruginosa
K. pneumoniae

Question 20

which agents produce multiple capsular serotypes, and thus are capable of multiple infections?

Answer 20

S. pneumoniae

K. pneumoniae

Question 21

which agents do not produce multiple capsular serotypes, and are therefore uncommon agents of multiple infections?

Answer 21

S. aureus

P. aeruginosa

Question 22

how many S. pneumoniae serotypes account for >90% of all infections?

Answer 22

23

Question 23

which K. pneumoniae serotypes are the most virulent?

Answer 23

K1

K2

Question 24

which agents are catalase postive?

Answer 24

S. aureus
P. aeruginosa
K. pneumoniae

Question 25

which agent is an aerotolerant anaerobe and catalase negative?

Answer 25

S. pneumoniae

Question 26

which agents can form abscesses, and therefore are capable of causing necrotizing pneumoniae?

Answer 26

S. aureus P. aeruginosa K. pneumoniae

Question 27

which agents are facultative anaerobes?

Answer 27

S. aureus P. aeruginosa K. pneumoniae

Question 28

which agent is an aerotolerant anaerobe?

Answer 28

S. pneumoniae

Question 29

which agents are fermentors?

Answer 29

S. aureus | K. pneumoniae

Question 30

which agent is a non-fermentor?

Answer 30

P. aeruginosa

Question 31

which agents can grow with anaerobic respiration?

Answer 31

S. aureus | P. aeruginosa

Question 32

which agent does not form abscesses, and is therefore generally not causative of necrotizing pneumonia?

Answer 32

S. pneumoniae

Question 33

which agents produce multiple exotoxins and degredative enzymes that lyse human tissue causing necrotizing pneumonia?

Answer 33

S. aureus | P. aeruginosa

Question 34

which agent produces the exotoxin, pneumolysin?

Answer 34

S. pneumoniae

Question 35

which agents does not produce any exotoxins or degredative enzymes, but is still capable of necrotizing pneumonia d/t abscess formation?

Answer 35

K. pneumoniae

Question 36

which agent is vaccine preventable?

Answer 36

S. pneumoniae

Question 37

which agent produces exotoxin A? (unrelated to C. diptheriae exotoxin A, but does inactivate EF-2, inhibiting host cell protein synthesis, resulting in host cell lysis)

Answer 37

P. aeruginosa

Question 38

what is the general treatment for acute bacterial (lobar/consolidation/typical) pneumonia?

Answer 38

penicillins | cephalosporins