XI - Cestodes, Nematodes, Trematodes Flashcards

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1
Q

Taenia (+) rostellum, neurocysticercosis

A

Taenia solium

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2
Q

Taenia (-) rostellum 15-25 gravid proglottids, intestinal obstruction

A

Taenia saginata

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3
Q

Taenia, transmission

A

Undercooked meat

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4
Q

Taenia, infective stage

A

eggs, cystecrci

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5
Q

Taenia, diagnostic stage

A

Gravid proglottids

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6
Q

DOC for Taenia

A

Praziquantel

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7
Q

Megaloblastic anemia due to Vit B12 deficiency, parasite?

A

Diphyllobothrium latum

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8
Q

Diphyllobothrium, transmission

A

Undercooked fish

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9
Q

Diphyllobothrium, infective stage

A

Plerocercoid larave

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10
Q

Diphyllobothrium, diagnostic stage

A

Egg

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11
Q

DOC in Diphyllobothrium

A

Praziquantel

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12
Q

Cysts are SOL, rupture of cysts can cause anaphylaxis

A

Echinococcus granulosus

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13
Q

DOC in Echinococcus

A

Albendazole

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14
Q

Oriental blood fluke, reside in portal veins, causing PRE-sinusoidal portal hypertension

A

Schistosoma japonicum

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15
Q

Intermediate host in Schistosomiasis

A

snail (Oncomelania hupensis quadrasi)

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16
Q

Schistosomiasis, diagnostic stage

A

Eggs in feces, urine

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17
Q

Schistosomiasis, diagnostic technique

A

Kato-Katz

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18
Q

DOC in Schistosomiasis

A

Praziquantel

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19
Q

Lung fluke, mimics TB

A

Paragonimus westermani

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20
Q

Intermediate host in Paragonimus

A

Snail (Antemelania), crab (Sundathelphusa)

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21
Q

Bloody sputum, similar to TB, ring-shadow opacity on CXR

A

Paragonimus westermani

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22
Q

DOC in Paragonimiasis

A

Praziquantel

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23
Q

Diagnostic of choice in Paragonimiasis

A

3% NaOH

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24
Q

Asian liver fluke, may cause cholangiocarcinoma

A

Clonorchid sinensis

25
Q

Most common and largest intestinal nematode

A

Ascaris lumbricoides

26
Q

Loeffler’s syndrome (hypersensitivity pneumonitis)

A

Ascaris lumbricoides

27
Q

DOC in Ascaris

A

Albendazole

28
Q

Microcytic anemia due to blood loss,buccal spears in filariform larvae

A

Necator, Ancylostoma

29
Q

Barrel-shaped eggs / Chinese lantern

A

Trichuris trichiura

30
Q

Rectal prolapse due to increased perestalsis

A

Trichuris trichiura

31
Q

DOC in Trichuris

A

Mebendazole

32
Q

Whipworm

A

Trichuris trichiura

33
Q

Pinworm, seatworm

A

Enterobius vermicularis

34
Q

Most common soil-transmitted helminth in developed countries, cosmopolitan worm

A

Enterobius vermicularis

35
Q

Diagnostic of choice in Enterobius

A

Scotch tape test

36
Q

DOC in Enterobius

A

Pyantel pamoate

37
Q

Stryongyloides, diagnostic stage

A

Rhabditiform larvae

38
Q

Autoinfection

A

Strongyloides, Enterobius, Paragonimus, C. parvum, Capillaria

39
Q

Diagnostic of choice in Strongyloides

A

Harada-Mori

40
Q

Opportunistic intestinal protozoa, thick-walled oocyst, in immunocompromised

A

Cryposporidium parvum

41
Q

DOC in Cryptosporidium

A

Nitazoxanide

42
Q

Ping pong transmission, only as a trophozoite

A

Trichomonas vaginalis

43
Q

Green vaginal discharge, strawberry cervix

A

Trichomonas vaginalis

44
Q

DOC in Strongyloides

A

Ivermectin

45
Q

Facultative parasite, serpiginous track

A

Strongyloides

46
Q

Only nematode involving migratory birds in life cycle

A

Capillaria philippinensis

47
Q

Peanut-shaped eggs, flattened bipolar plugs

A

Capillaria philippinensis

48
Q

Autoinfection, severe malabsorption, borborygmus, protein-losing enteropathy

A

Capillaria philippinensis

49
Q

DOC in Capillaria

A

Albendazole

50
Q

Most debilitating nematode infection

A

Wuchereria, Brugia

51
Q

Smooth curved, scrotal lymphatics, hydrocoele, more severe, widespread epidemiology, Bancroftian

A

Wuchereria

52
Q

Kinky, with terminal nuclei, only in SEA, limb lymphatic, elephantiasis, Malayan

A

Brugia

53
Q

Wuchereria, Brugia, infective stage

A

3rd stage larvae

54
Q

Specimen collection in Wuchereria, Brugia

A

8pm-4am

55
Q

Meyers-Kouvenaar bodies

A

Wuchereria, Brugia

56
Q

DOC in Wuchereria, Brugia

A

Diethylcarbamazine

57
Q

DOC in Trichinella spiralis

A

Thiabendazole

58
Q

Hypersensitivity reaction due to lysis of worms

A

Mazzotti reaction

59
Q

MCC of parasitic meningitis

A

Angiostrongylus cantonensis