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Board Micro > rapid micro > Flashcards

rapid micro Flashcards

1
Q

infects prosthetic devices and catheters by producing adherent biofilms

A

Staphylococcus epidermidis

FA 128, M12

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2
Q

ASO antibody titers in patient following pharyngitis infection

A

streptococcus pyogenes; diagnose rheumatic fever
enzyme: streptolysin O
FA 125, 129, m28

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3
Q

PNA in CF patient

cat positive, gram negative bacteria

A

Psuedomonas or burkholderia cepacia

m93, 172, 84

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4
Q

blue-green colonies with fruity odor on culture dish

UTI

A

Pseudomonas aeruginosa

174

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5
Q

Ecthyma gangrenosum in immunocompromised patient

A

Pseudomonas aeruginosa; rapidly progressive nectoric cutaneous lesion
137

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6
Q

epiglottitis in pediatric patient

A

Haemophilus influenzae

136, 179, m101

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7
Q

primary cause of meningitis in children from 3 to 36 months of age. complications include retardation, seizures, deafness, and death

A

H. influenzae Type B

m101, 136

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8
Q

grows on chocolate agar, has factors V and X

A

H influenzae; 121

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9
Q

painful genital ulcer with exudate and inguinal adenopathy

A

chancroid; Haemophilus ducreyi

177, m100

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10
Q

dysuria, fishy smell in vagina

i. what is seen on smear
ii. bacteria

A

i. clue cells
ii. gardnerella vaginalis
m102, 142

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11
Q

bordet-gengou agar

A

Bordetella pertussis
whooping cough
121, 124 is toxin

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12
Q

Regan-Lower medium

A

charcoal, blood, and antibiotic

bordetella pertussis 121

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13
Q

Infant with whooping cough

mechanism of toxin?

A

pertussis toxin (124)
increased cAMP via Gi disabling, impaired phagocytosis to permit survival
m102

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14
Q

reservoir for legionella pneumophila

A

AC system, cooling twoers, hot water tanks

137, m102

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15
Q

charcoal yeast extract agar buffered with cystein and iron

A

legionella

121, 137, m102

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16
Q

headache, fever, myalgias, fatigue.

bacteria grows on charcoal yeast extract agar with cystein and iron

A

Pontiac disease from legionella

121, 137

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17
Q

severe unilateral PNA, fever, GI, CNS smptoms. culture grows gram negative stained with silver

A

legionella pneumophila

137, m102

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18
Q

purulent discharge from urethra; facultative intracellular microbe

A

Neisseria gonorrhoeae

136

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19
Q

tranmission of yersinia pestis

A

fleas
rat and prairie dogs are reservoirs
142, m 108

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20
Q

groin lymph node is swollen, red, hot and tender, high fever, conjunctivitis

A

bubonic plague; yersinia pestis; m108

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21
Q

diarrhea, enterocolitis, transmitted from puppy feces at home

A

Yersinia entercolitica

diarrhea: 172, 139,

22
Q

ingestion of unpasteurized milk; indulating fevers

A

Brucellosis; Brucella spp

m 109, 142

23
Q

dog or cat bite causing cellulitis

A

Pasteurella multocida

179, 142, m 108

24
Q

tick, rabbit, deer bite with ulcer at the bite, typhoidal symptoms (abdominal pain, fever)

A

Francisella tularensis

fac. intra,122. 142. m108

25
Q

ox 19, ox 2 positive

A

Rickettsia rickettsii, m117
143
Weil-felix reaction

26
Q

life cycle of chlamydiae; which part is infectious

A 
elementary body (infectious)
reticulate body (replicates in cells) 
144, m 122
27
Q

trachoma

A

scarring of inside of eye lid; found in underdeveloped countries due to chlamydiae
144, m122

28
Q

Reiter’s syndrome

A

triad of conjunctivitis, urethritis, arthritis caused by Chlamydia trachomatis
144, m122, 432

29
Q

female patient presents and has been trying to have children, unable to get pregnant
also has fitz-hugh-curtis

A

infertility; 178

due to chlamydiae, 144

30
Q

viral like atypical PNA with fever, dry cough

vector is bird and parrots

A

chlamydophila psittaci
psittacosis
142, 144, 172 is PNA

31
Q

rash on wrists, palms in south carolina

how does it cause rash

A

damage to endothelial cells, causing superficial vasculitis
Ricketssia rickettsii, vector is tick
143, 142, m 124

32
Q

fever, conjunctival injection, severe HA, rash on wrists, palms, becomes more generalized later

A

rocky mountain spotted fever

143, m124

33
Q

Rickettsial pox

i. def
ii. reservoir
iii. weil-felix reaction

A

vesicular rash similar to small pox
ii. mites is tranmission, mice
iii. weil felix negative
m124

34
Q

abrupt onset of fever, HA, rash sparing the palms soles and face, stupor, gangrene of hands or feet

A

epidemic louse-borne typhus
rickettsia prowazekii
142, m124, 143

35
Q

abdrupt onset of fever, rash starting on trunk going out but sparing palms and soles and face.
i. weil felix reaction

A

OX19+, 2 - and K-
epidemic typhus - human body louse, R prowazekii

m 124, 142, 143

36
Q

rash on trunk, going to extremities
fever. OX-19+
endemic typhi
i. vector

A

rat flea

m124, 143

37
Q

fever, headache, back pain lasting for 5 days and recurring 5 day intervals

A

trench fever

Bartonella quintana, m 126

38
Q

cat scratch transmission

i. bacteria
ii. skin symptom
iii. what heart disease

A

i. Bartonella henselae
ii. Bacillary angiomatosis 301
iii. culture neg bacterial endocarditis 298
m126

39
Q

fever, headache, viral like PNA, no rash

i. disease
ii. bacteria
iii. vector

A

Q fever
coxiella burnetii
iii. no arthropod - spores on goat hide
143,

40
Q

pt with fever, headache, injected conjunctiva
berry-like inclusions seen in monocytes in cytoplasm
i. bacteria
ii. vector

A

i. Ehrlichia chaffeensis; ehrlichiosis
rash is rare
ii. Ambylomma (lone star tick)

41
Q

syphilitic infection with neg VDRL , pos FTA-abs

A

successfully treated syphillis

m133

42
Q

syphilis infection with VDRL neg, FTA neg

A

syphilis unlikely however could have AIDS or was recently infected
m133

43
Q

syphilis infection with serologic testing: VDRL pos, FTA neg

A

probably false positive syphilis

44
Q

gummas of skin and bone

A

tertiary syphilis
141, m 138
treponema pallidum but could also be caused by treponema pertenue (tropical region syphilis, m138)

45
Q

condyloma lata

will also have what other symptom?

A

smooth, moist painless wart-like white lesions on genitals seen in secondary syphilis
maculopapular rash around body
141, m 138

46
Q

wide slapping gait, sensory ataxia, argyl robertson pupil
i degeneration of what
ii. bacteria
iii. serologic testing would show what

A

degeneration of dorsal columns AND roots
ii. Treponema pallidum
iii. VDRL + and FTA-ABS +
141, m 139

47
Q

acute worsening of symptoms after starting antibiotics with pt with syphilis

A

Jarisch Herxheimer
flu like syndorme, fever, chills, HA, myalgia due to released endotoxins
141, m 138

48
Q

saber shins, rhagades, CN VIII deafness

when did this patient contract infection

A

in utero, Treponema pallidum

141, 175, m138

49
Q

rash with bullseye appearance

A

Borrelia burgdorferi
Ixodes deer tick bite
140, 626
erythema chronicum migrans

50
Q

monoarthritis, migratory polyarthritis, cardiac av nodal heart block

i. vector
ii. bacteria

A

Lyme disease, Ixodes deer tick
Borrelia burdgorferi
140, m 140

51
Q

calve pain, jaundice, photophobia with conjuctival suffusion (erythema without exudate)

i. bacteria
ii. transmission
iii. prevelance where

A

i. leptospira interrogans
ii. animal urine
iii. surfers and tropics like hawaii
140, m 140

52
Q

jaundice, kidney dysfunction, fever, anemia, after exposure to animal urine

A

Weil disease, icterohemorrhage leptospirosis

140, 142

Board Micro (10 decks)

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