Micro-extra Flashcards

1
Q

gram stain steps, colors

A

crystal violet, iodine, decolorize(alcohol), safranin. blue-G+(Crystal violet), red-G-(safranin)

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2
Q

thayer martin

A

neisseria(VPN antibiotics)

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3
Q

Green on EMB agar

A

Ecoli

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4
Q

bright red pigment gram negative rod

A

serratia

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5
Q

salmonella vs. shigella

A

H2S+, motile

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6
Q

60S subunit

A

shigella/EHEC

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7
Q

salmonella Tx

A

ciprofloxacin/ceftriaxone

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8
Q

osteomyelitis bugs

A

staph, sickle cell-salmonella, diabetes/IVDU-pseudamonas

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9
Q

adenylate cyclase activators-secrete Cl-&Na+

A

cholera toxin, ETEC

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10
Q

common pseudamonas Tx

A

piperacillin+aminoglycoside(gentamicin)

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11
Q

pneumonia w/ black pigment on blood agar

A

bacteroides melaninogenicus

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12
Q

anaerobic G+ cocci-abcess/pneumonia

A

peptostreptococcus

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13
Q

HiB Tx

A

3rd gen cephalosporin, amoxicillin for otitis media

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14
Q

H ducreyi Tx

A

erythromycin/TMPSMZ

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15
Q

pertussis stages

A

catarrhal-infectious(1-2wks), paroxysmal-cough, convalescent

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16
Q

pertussis growth, Tx

A

Bordet-Gengou(potato, blood, glycerol), erythromycin

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17
Q

Legionella Tx

A

erythromycin

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18
Q

strep Tx

A

penicillin(besides entero-ampicillin)

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19
Q

staph Tx

A

penicillin(sapro), resistant penicillin(aureus), vanco(epi)

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20
Q

clostridium/bacillus/diptheria general Tx

A

antitoxin/support, penicillin, cereus-vanco

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21
Q

most G- rod bug Tx

A

cephalosporins, fluoroquinolones, doxycycline (enteric=metronidazole)

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22
Q

bipolar staining

A

yersinia pestis

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23
Q

buboes, pneumonia, Tx

A

yersinia pestis or francisella(intracellular). erythromycin

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24
Q

brucella, pasteurella Tx

A

doxycyclin+gentamicin, penicillin

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25
Q

chlamydia Tx

A

tetracyclines or macrolides

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26
Q

weil-felix

A

rickettsia(proteus vulgaris antigens)

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27
Q

rickettsia Tx

A

doxycycline+chloramphenicol

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28
Q

bump then headache then vesicles(&vector)

A

rickettsia akari-mite

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29
Q

prowasecki vs typhus

A

epidemic, louse vs endemic, flea

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30
Q

warfare 5 day relapsing fever

A

bartonella quintana-louse

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31
Q

coxiella unique trait(amongst intracellulars)

A

endospore

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32
Q

dog tick RMSV like disease

A

erlichia

33
Q

spirochete classes

A

treponema, borrelia, leptospira

34
Q

cardiosyphillis MOA

A

destroys vasa vasorum in ascending/aortic arch

35
Q

spirochete post-antibiotic fever

A

jarisch-herxheimer-self limiting

36
Q

borrelia Tx(burgdorgeri&recurrentis)

A

doxycyline

37
Q

lesptospira illness

A

conjuntivitis then fever OR jaundice/renal Fx(weil disease)

38
Q

no cell wall bacteria/Tx

A

mycoplasma/ureaplasma(covered in urethritis Tx)-erythromycin/tetracycline

39
Q

50s vs 30s mneumonic

A

CLEan TAG(clindamycin/chloramphenicol, linezolid, erythromycin. Tetracycline, AminoGlycosides)

40
Q

chloramphenicol use

A

penicillin allergic/resistant unknown meningitis, kids/pregnant RMSF

41
Q

clindamycin use

A

anaerobes-GI/Femaile tract

42
Q

linezolid use

A

VRE

43
Q

contraindication of sulfa/TMP drugs

A

warfarin drug interaction=bleeds

44
Q

tinea negri fungi

A

exophiala werneckii

45
Q

tinea dermatophytes

A

microsporum, trichophyton, dermatophyton

46
Q

violet cauliflower like wart lesions

A

phialophora cladosporium(chromoblastomycosis)

47
Q

Arizona vs ohio river valley

A

coccidiodes(crowd) vs histoplasma(hide)&blastomyces(bud)

48
Q

india ink meningitis

A

cryptococcus neoformans-pigeon droppings

49
Q

TB like illness-partial acid fast branching filaments&Tx

A

nocardia-sulfa/TMP

50
Q

bullet shaped

A

rhabdovirus-rabies

51
Q

nonenveloped RNA viruses

A

PCR-picorna, calci, reovirus

52
Q

paramyxovirus diseases

A

PARAinfluenza+MMRsv

53
Q

influenza viral type, Tx MOA

A

orthomyxovius-neuraminadase inhibitors(oselt/zanamivir)

54
Q

measles bad SE

A

enchephalitis(rubeola-cough, conjunctivitis coryza)

55
Q

DNA hepatitis, A class

A

B(dane particle). A=picorna

56
Q

HIV 3 main genes+markers

A

gag-capsid p24, pol-emzymes(including RT), env-envelope-p120/41

57
Q

HIV tests

A

ELISA then western blot

58
Q

viral myocarditis

A

cocksackie B

59
Q

metronidazole adverse effect

A

alcohol-disulfiram like reaction

60
Q

protozoal meningitis

A

acanthomoeba(chronic+cysts+cornea) vs naegleria(acute)

61
Q

AIDS flying saucer on silver stain pneumonia

A

pneumocystis jirovecii

62
Q

malaria drugs

A

chloroquine then mefloquine then quinine then PM

63
Q

bug w/ borellia in Ixodes tick

A

babesia microti(maltese cross hemolysis)

64
Q

amastigote disease/vectors

A

leischmaniasis-sandfly(ulcers), trypansoma-tsetse/kissing bug(african sleeping sickness&chagas)

65
Q

intestine+lung nematodes

A

ascaris lumbricoides, necatur(in through toes), strongyloides(in through skin)-all cause anemia

66
Q

Tx for all intestinal nematodes&MOA

A

bendazoles(2nd line pyrantel pamoate)-microtubules

67
Q

raw pork-skeletal muscle invasion

A

trichinella spiralis(taenia solium also raw pork-brain cysts)

68
Q

bullwhip

A

trichuris trichiura

69
Q

scotch tape test organism

A

enterobius vermicularis

70
Q

arthropod delivered worms

A

onchocera(black flies-river blindness+lizard skin), wurchereria/brugia malayi(mosquito-elephentiasis), dracunculus(copepods-100cm long to skin)

71
Q

cutaneous larval migrans

A

ancylocystoma brazilense/necator/strongyloides

72
Q

water snail diseases

A

flukes(trematodes)-schistosoma

73
Q

itch, fever, fibrosis of organs

A

schistosoma

74
Q

cestode/trematode Tx

A

praziquantel

75
Q

cestode diagnostics

A

proglottids

76
Q

B12 deficiency infection

A

diphyllobatrum-fish tapeworm

77
Q

beef tapeworm, smallest tapeworm

A

taenia saginata, hymenolepsis nana

78
Q

hydatid cyst worm, Tx

A

echinococcus-CAREFUL removal(severe rxn to contents)