Class 6/5 Flashcards Preview

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Flashcards in Class 6/5 Deck (28):
1

describe impetigo and what pathogens cause it

maculopapular crusty lesion that is honey colored
staphylococcus and streptococcus

2

what differentiates staphylococcus and streptococcus

catalase
staph is catalase+

3

What are the most medically significant Gram + organisms

2 cocci: staphy and strep
4 bacilli
2spore: B anthracis, Clostridium spp
2 non spore: C diphtheria, L monocytogenes

4

Which species of staph is coagulase +

staph aureus

5

52 y/o lobar pneumonia, responding well to therapy
sudden onset fever, worsening conditions
necrotizing abscess formation in lung
best Dx?

staph aureus

6

What is another name of streptococcus agalactiae

Group B strep

7

multiple children with renal failure and hemolytic uremic syndrome and abdominal pain after consuming the same food
best Dx

E. coli
enterohemorrhagic

8

What are the forms of E coli

enterotoxigenic
enteroinvasive
enterohemorrhagic

9

what can lead to tumoremia in a hunter

skinning animal hides that aerosolizes

10

What is a zoonotic disease

not vector, directly from animal

11

what shape is borrelia burdorgferi

spirochete

12

classic CSF characteristics of acute bacterial meningitidis

turbid with increased P
decreased glucose
increased protein
neutrophils- polymorphonuclear

13

What are common pathogens of acute meningitis

Grp B strep
E coli
Listeria
H influenza
N meningitidis

14

how do you establish lymes Dx

serology titers

15

describe arthritis assoc with N gonorrheae

unilateral mono-articular

16

what are the main manifestations of spirochete infetions

endarteritis
lymphoplasmacytic infiltrates

17

partial left colectomy from recurrent diverticulitis
has fever that fails to responde to penicillin and cephalosporins
viscid diarrhea(mucous)

bacteroides fragilis

18

what type of diarrhea with campylobacter

bloody

19

baby that is breast feeding has low grade fever dry cough lethargic
low grade hepatitis
most likley

CMV

20

what is another name for strep pyogenes

group A beta hemolytic Strep

21

what causes strep throat

grou A beta hemolytic strep

22

7 y/o with sore throat, low grade fever and CBC with slight lymphocytosis
erythematous pharynx
aerobic cultures are negative
best Dx?

CMV

23

what viruses are responsible for common cold

rhinovirus
coronavirus

24

what viruses commonly cause diarrhea

calicivirus- norovirus
rotavirus
adenovirus

25

which Hepatitis viruses are RNA

A and C

26

tattoo caused Hepatitis is most commonly what

Hep C

27

rose spots in a Hx with Diarrhea point to what infection

salmonella typhi

28

rotavirus causes diarrhea in what age group

young