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PLE 2018 > MicroPara > Flashcards

MicroPara Flashcards

1
Q

Antifungals that inhibit beta glucan synthesis decreasing fungal cell wall synthesis

A

Echinocandins

caspofungin

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2
Q

Antifungal that blocks nucleic acid synthesis by inhibiting both DNA and RNA polymerases

A

Flucytosine

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3
Q

Dermatophytes affecting skin and hair

A

Microsporum

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4
Q

Dermatophyte culturable only in media enriched with C12-C14 fatty acids

A

Malassezia furfur

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5
Q

gardener’s disease
local pustule/ulcer with nodule
with ascending lymphangitis

rosette cluster of conidia

A

Sporotrichosis / rose hander’s dse

Sporothrix schenkii

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6
Q

The only gram positive bacteria that produces LPS

A

Listeria monocytogenes

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7
Q

All systemic mycoses are yeasts in warm temp (37 deg) except

A

Coccidioides

spherule in tissues

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8
Q

monoclonal antibody for prevention of RSV

A

Palivizumab

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9
Q

Double hemolysis on blood agar plate

A

Clostridium perfringens

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10
Q

only RNA virus with a double stranded genome

A

Reoviridae (Rotavirus)

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11
Q

Most common cause of childhood diarrhea (viral gastroenteritis)

A

Rotavirus

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12
Q

Selective medium for Neisseria containing vancomycin, nystatin, colistin and trimethoprim

A

Thayer Martin Agar

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13
Q

Most common infectious cause of SJS

A

Mycoplasma pneumoniae

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14
Q

Only bacteria with cholesterol in the cell membrane

A

Mycoplasma pneemoniae

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15
Q

Tiniest free-living organism capable of self-replication

A

Mycoplasma pneumoniae

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16
Q

Downey cells are seen in

A

EBV

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17
Q

The only single-stranded DNA virus

A

Parvovirus

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18
Q

The only double-stranded RNA virus

A

Reovirus

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19
Q

The first filterable human infectious agent

A

Yellow fever virus

Walter Reed

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20
Q

Sterilizing temperature

A

121 degrees for 15 minutes

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21
Q

Urease + organisms

8

A 
CHuck hates PUNKSS
Cryptococcus
H pylori
Proteus
Ureaplasma
Nocardia
Klebsiella
S epidermidis
S saprophyticus
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22
Q

shooting star or fast darting motility is seen in

A

vibrio cholera

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23
Q

most common cause of atypical pneumonia

A

mycoplasma pneumoniae

24
Q

most common cause of subacute bacterial endocarditis and native valve endocarditis

A

viridans strep

25
Q

Halberstaedter - Prowazek inclusions are seen in

A

Chlamydia trachomatis

26
Q

Encapsulated bacteria

A

Some Killers Have Pretty Nice Elegant Shiny Bodies

Strep pneumo
Klebsiella
Hib
Pseudomonas
Neisseria gonorrhea
E coli
Salmonella
B strep
27
Q

Lactose fermenters

A 
test with macConKEE’S
Citrobacter
Klebsiella
E coli
Enterobacter
Serratia
28
Q

causative agent of typhlitis (necrotizing enterocolitis)

A

pseudomonas aeruginosa

29
Q

influenza subtype referred to as “bird flu”

30
Q

most common cause of epidemic encephalitis

A

Jap B enceph

31
Q

Operculated eggs are seen in

A

All trematodes/flukes (except Schistosoma) and Diphyllobothrium latum (cestode)

32
Q

DOC for all trematodes/flukes (except fasciola hepatica)

A

Praziquantel

Fasciola hepatica - Triclabendazole

33
Q

intermediate host of paragonimus westermani

A

sundathelphusa philippina

mountain crab

34
Q

African sleeping sickness is transmitted by

A

Tsetse fly

Glossina

35
Q

DOC for acute american trypanosomiasis

A

Nifurtimox

36
Q

Malarial dots of the plasmodium species

A

FalciparuMAURER
ZIEMAlaria (ZIEMANN)
voSCHUFFNER (vivax and ovale)

37
Q

Infective stage of Plasmodium sp

A

Sporozoites

Diagnostic: Trophozoites

38
Q

DOC for giardiasis

A

metronidazole

39
Q

only ciliated protozoan that causes human disease

A

balantidium coli

40
Q

largest protozoan parasite of humans

A

balantidium coli

41
Q

most common cause of parasitic meningitis

A

angiostrongylus cantonensis

42
Q

nematodes causing loeffler’s syndrome

A

ascaris lumbricoides
necator americanus
ancylostoma duodenale
strongyloides stercoralis

43
Q

most debilitating nematode infection

A

filariasis

44
Q

Filariasis is transmitted through

A

infected mosquito bite (L3 larvae)

45
Q

clay pipestem fibrosis on liver ultrasound signifies infection with

A

Schistosoma japonicum

46
Q

longest of the tapeworms

A

diphyllobothrium latum

47
Q

MOT of diphyllobothrium latum

A

ingestion of plerocercoid larvae in undercooked fish

48
Q

Loa loa (nematode) is transmitted by

A

deer fly or mango fly (Chryops)

49
Q

Phlebotomus (female sandfly) transmits which protozoal infection

A

Leishmaniasis

50
Q

DOC for asymptomatic cyst carrier state of Entamoeba histolytica

A

Diloxanide furoate

51
Q

Largest intestinal nematode
Largest intestinal fluke
Largest intestinal tapeworm

A

Ascaris
Fasciolopsis buski
Diphylobothrium latum

52
Q

MOT of clonorchis sinensis

A

ingestion of undercooked fish (containing metacercaria)

53
Q

MOT of paragonimus westermani

A

ingestion of raw crustaceans (raw crabmeat/crayfish)

54
Q

Harada-Mori stool culture (recovery of larvae) is recommended for

A

hookworms and strongyloides

55
Q

transmitted when copepods are swallowed in water

A

dracunculus medinensis

56
Q

transmitted by the female blackfly (Simulium)

A

Onchocerca volvulus

PLE 2018 (12 decks)

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