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Last Ditch > Microbiology > Flashcards

Microbiology Flashcards

0
Q

What organism causes achalasia?

A

Trypanosoma crusi (Chaga’s disease)

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1
Q

Organism causing rectal prolapse

A

Trichuris trichuria

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2
Q

Most common cause of atypical pneumoniae

A

Mycoplasma pneumoniae

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3
Q

No cell wall

A

Mycoplasma pneumoniae

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4
Q

Organism that gives a (+) cold agglutinin

A

Mycoplasma pneumoniae

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5
Q

Fried egg appearance

A

Myocoplasma

Oligodendroglioma

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6
Q

Etiologic agent of bronchiolitis

A

RSV

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7
Q

Most common cause of infantile diarrhea

A

RSV

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8
Q

Vector for the Japanese encephalitis

A

Culex

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9
Q

India Ink

A

Cryptococcus neoformans

encapsulated yeast

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10
Q

In a low resource setting, what is used to diagnose chlamydia

A

Giemsa stain

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11
Q

Most common cause of non-gonoccocal urethritis

A

Chlamydia

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12
Q

Blindness secondary to chlamydial infection is secondary to

A

Corneal scarring

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13
Q

Special stain used for cryptosporidium

A

Modified (Kinyoun’s) Acid Fast

Causes diarrhea

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14
Q

Most common cause of infectious diarrhea in an AIDS patient

A

Cryptosporidium

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15
Q

Smear for Herpes

A

Tzanck smear

DOC: Acyclovir

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16
Q

Flask-shaped ulcers colon

A

Entamoeba hystolitica

Invaded layer: submucosa

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17
Q

Amebic abscess (liver abscess) is caused by

A

Entamoeba hystolitica

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18
Q

Anchovy paste appearance

A

Amoebic abscess (E. hystolicta)

Most feared complication: Amoebic pericarditis

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19
Q

Spaghetti and meatballs

A

Tinea Versicolor (Pityriasis)

Malassezia furfur

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20
Q

Sporotrix Shenckii

A

Rose garderner’s disease

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21
Q

Mariner’s wheel/Pilot’s wheel

A

Paracoccidiodes Brasilienses

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22
Q

Broad-based budding yeast

A

Blastomyces dermatitidis

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23
Q

Stain used in P. jiroveci

A

Methenamine Silver

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24
Q

DOC of P. jiroveci

A

TMP-SMX

Back-up drug: Pentamidine

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25
Q

Most common cause of pneumonia in AIDS patient

A

P. jiroveci

Order of infection:
MTB > P. jiroveci > MAI

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26
Q

Oriental lung fluke

A

Paragonimus westermani

PTB-like symptoms (hemoptysis)
Pulmonary distomiasis

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27
Q

Eating raw cray fish or raw crabs

A

Paragonimus westermani

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28
Q

Organism associated with cholangiocarcinoma

A

Clonorchis sinensis

Chinese liver fluke

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29
Q

Re-heated fried rice

A

B. cereus

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30
Q

Urinary bladder CA

A

Schistosoma hematobium

He-matobium cases He-maturia
Terminal spine
DOC: Praziquantel

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31
Q

Intermediate host for S. japonicum

A

Oncomelania quadrasi

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32
Q

Katayama fever

A

S. japonicum

Lateral spine

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33
Q

Swimmer’s itch

A

S. japonicum

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34
Q

Intermediate host of C. philippinensis

A

Pila Luzonica

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35
Q

Areas endemic to schistosomiasis

A 
Mindoro Oriental
Sorsogon
Samar
Leyte
Bohol
By region: 
Surigao, Agusan del Norte
Northern Samar
Eastern Samar
Leyte
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36
Q

Neurocysticercosis

A

Taenia solium

Pork tapeworm

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37
Q

Most common CNS infection in the WORLD

A

Neurocysticercosis

Presents with: SEIZURES and HEADACHE

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38
Q

Hydatid cyst

A

Dog tapeworm

Echinococcus granulosis

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39
Q

Most common cause of splenic cyst (if parasitic)

A

Echinococcus granulosus

Dog tapeworm

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40
Q

Diphylobothrium latum leads to

A

Vitamin B12 deficiency

Megaloblastic or pernicious anemia

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41
Q

Longest tapeworm

A

Diphylobothrium latum

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42
Q

Loeffler’s syndrome (type of pneumonia)

A

Ascaris lumbricoides

Erratic/wandering behavior
Scariest worm
Most common parasite in the Philippines

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43
Q

DOC for Ascaris lumbricoides

A

Pyrantel pamoate

Mebendazole

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44
Q

Scotch tape method

A

E. vermicularis

Pinworm, seatworm

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45
Q

Pruritus ani

A

E. vermicularis

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46
Q

DOC for E. vermicularis

A

Pyrantel pamoate

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47
Q

Organisms that cause auto-infection

A

Enterobious

Strongylodes

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48
Q

Bipolar plugs ova

A

Trichuris trichiura

Nipple or lemon shape

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49
Q

Complication of whipwhorm

A

Complication: rectal prolapse

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50
Q

Loa-Loa

A

Deerfly

2 discrete nuclei at the tail

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51
Q

Calabar swelling

A

Loa Loa

52
Q

Black eschar

A

Bacillus anthracis (cutaneous)

Malignant pustule
Painless ulcers

53
Q

Woolsorter’s disease

A

Bacillus anthrax (pulmonary)

54
Q

Cutaneous larva migrans

A

Ancyclostoma brasilienses

“A cute Brasilian”

55
Q

Visceral larva migrans

A

Toxocara canis

Affects the sclera

56
Q

River blindness

A

Onchocerca volvulus

Vector: black fly

57
Q

Medusa head colonies

A

Bacillus anthrax

58
Q

Myonecrosis

A

Gas gangrene

Clostridium perfringens
Crepitations: gas in the subcutaneous tissue

59
Q

Treatment for myonecrosis

A

Hyperbaric oxygen

60
Q

Bend’s disease is also known as

A

Caisson’s disease/Cheyne stoke’s

Treatment: hyperbaric oxygen (for anaerobic infection)

61
Q

Death march of Bataan

A

Gas gangrene

62
Q

Friedlander’s bacillus is also known as

A

Klebsiella pneumoniae

63
Q

Currant jelly sputum/colonies

A

Klebsiella pneumoniae

64
Q

Falling leaf motility

A

Giardia lamblia

Smiling face with a prominent eyes

65
Q

Shanghai fever

A

Pseudomonas aeruginosa

66
Q

Bacillus pyocyanius

A

Pseudomonas aeruginosa

Pyocyanin (blue pus)
2 pigments: pyoverdin and pyocyanin

67
Q

Most common ventilator-associated pnuemonia

A

Pseudomonas aeruginosa

68
Q

Organism most commonly seen in extensive burns

A

Pseudomonas aeruginosa

69
Q

2 infections in cystic fibrosis

A

Pseudomonas aeruginosa

Staph aureus

70
Q

Fruity/grape-like odor

A

Pseudomonas aeruginosa

71
Q

DOC for Pseudomonas aeruginosa

A

Ceftazidime

72
Q

Icthyma gangrenosum

A

Pseudomonas aeruginosa

Decubitus ulcer

73
Q

Yellow sulfur granules

A

Actinomyces israeli

74
Q

Lumpy jaw

A

Actinomyces israeli

Presenting as abscess in the jaw

75
Q

Diabetic with black nasal discharges/granules

A

Mucor mycosis

Fatal

76
Q

Tumbling motility

A

Listeria monocytogenes

Neonatal meningitis

77
Q

Organism associated with unpasteurized milk and coleslaw

A

Listeria monocytogenes

Brucella

78
Q

Airconditioned units

A

Legionella

Pneumonia with hyponatremia
Cooling towers

79
Q

Pontiac fever

A

Legionella + high grade fever

80
Q

Packs of cigars

A

Myocbacterium leprae

81
Q

Cigar-shaped yeast

A

Sporothrix shenckii

82
Q

Hansen’s disease is also known as

A

Leprosy

83
Q

Chinese character appearance

A

Corynebacterium diptheriae

84
Q

Shepherd’s crook

A

Chilomastix mesnili

“Shepherds have stix”

85
Q

Bacteria presents as school of fish appearance

A

Lymphogranuloma venerum

86
Q

Draughtsman or carom coin appearance

A

Pneumococci

87
Q

Relapsing fever

A

Borellia recurrentis

88
Q

Malta fever

A

Brucella

Undulant fever
Relapsing fever

89
Q

Organism associated with colon CA? gastric CA? Cholangiocarcinoma? Cervical CA?

A

Colon: Strep. bovis
Gastric: H. pylori
Cholangiocarcinoma: Chlonorchis sinensis
Cervical CA: HPV 16 and 18

90
Q

EBV is associated with?

A

Nasopharyngeal CA

Burkitt’s lymphoma

91
Q

Anasakis is associated with what CA

A

Stomach CA

92
Q

Organism associated with Lyme disease

A

Borrelia burgdorferi

Ixodes tick

93
Q

Rash associated with Lyme disease

A

Erythema chonicum migrans

Target/Bull’s eye lesion

94
Q

Ixodes tick is associated with

A 
Babesia microti
Lyme disease (Borrelia)
95
Q

Rocky mountain spotted fever

A

Rickettsia rickettsi

Camping or great outdoor

96
Q

Recrudescent typhus

A

Rickettsiae prowazekii

Brill-Zeinsser disease

97
Q

Q fever

A

Coxiella burnetti

Only rickettsial species not transmitted by arthropods

98
Q

Only rickettsial species not transmitted by arthropods

A

Coxiella burnetti (Q fever)

Transmitted through fomites

99
Q

Safety pin appearance

A

Yersinia pestis

100
Q

Bubonic plague

A

Yersinia pestis

101
Q

What causes tissue damage in PTB

A

Cord factor (trehalose mycolate)

102
Q

Cherry red colonies

A

Serratia marcescens

103
Q

Golden yellow colonies

A

Staphyloccocus aureus

Yellow pigment ~ Staphyloxanthin

104
Q

UTI in young sexually active female

A

Staph. saprophyticus

105
Q

Most common etiologic agent of UTI

A

E. coli

106
Q

Food poisoning associated with mayonnaise

A

Staphylococcal food poisoning

Picnic/party with N/V and diarrhea
Toxin: Enterotoxin

107
Q

Swarming growth

A

Proteus mirabilis/vulgaris

UTI and kidney stones (staghorn calculi)
Swarming growth is due to the flagella (peritrichous)

108
Q

Urease-producing organisms

A

H. pylori

Proteus

109
Q

Colonies show a stalactile growth

A

Yersinia pestis

110
Q

Greenish metallic sheen

A

E. coli

111
Q

Honeymoon cystitis

A

E. coli

112
Q

Bacteriologic index of water

A

E. coli

113
Q

Montezuma’s revenge

A

E. coli

Traveller’s diarrhea

114
Q

Type of E. coli that causes HUS

A

Enterohemorrhagic

Shiga-like toxin, Veratoxin

115
Q

Serotype of HUS in children

A

Serotype 0157

116
Q

Thayer Martin culture

A

Neisseria

117
Q

Squamous epithelial cells surrounded by bacteria

A

Clue cells

118
Q

Clue cells

A

Bacterial vaginosis

To diagnose: Amsel’s criteria

119
Q

Fishy odor of the vagina

A

Bacterial vaginosis

120
Q

Strawberry cervix

A

Trichomonas vaginalis

DOC: Metronidazole

121
Q

Whiff’s test

A

Bacterial vaginosis

122
Q

Bullet-shaped organism

A

rabies

123
Q

Incomplete virus

A

Hepatitis D

124
Q

Beneficial enteric bacteria

A

Lactobacillus

125
Q

Pea soup stool + rose spots

A

Typhoid fever (S. typhi)

126
Q

Rice water stool

A

Cholera

127
Q

Auramine rhodamine stain is also known as the

A

Acid fast stain

Used for PTB

Last Ditch (14 decks)

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