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54 Cards in this Set

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  • Back
Elephantiasis
Wuchereria bancrofti
Bear meat
Trichinosis (Trichinella spiralis)
Ingestion of larvae causes disease
Trichinosis (Trichinella spiralis)
Lymphatic granulomas and bacterial superinfection
Wuchereria bancrofti (filariasis/elephantiasis)
Nocturnal microfilariae migration to blood
Wuchereria bancrofti (filariasis/elephantiasis)
Larvae transmitted by mosquito bite
Wuchereria bancrofti
River blindness
Onchocerca volvulus
Microfilariae migration in skin and subcutaneous tissue
Onchocerca volvulus
Larvae transmitted by Simulium black fly bite
Onchocerca volvulus
Visceral larva migrans
Toxocariasis (Toxocara canis, Toxocara cati)
Eggs ingested from dog/cat feces
Toxocariasis (Toxocara canis, Toxocara cati)
Eosinophilic granulomas form in response to dead larvae
Toxocariasis (Toxocara canis, Toxocara cati)
Swimmer's itch
Schistosoma dermatitis
Association with bladder carcinoma
Schistosoma haematobium (vesicular schistosomiasis)
Intermediate host = snail
Schistosoma spp.
Miracidia, cercariae
Schistosoma spp.
Promastigote/amastigote
Leishmania spp.
Sandfly = transmission vector
Leishmania spp.
Winterbottom's sign
African sleeping sickness (Trypansomiasis -- T. brucei rhodesiense, T. brucei gambiense)
Demyelinating encephalitis
African sleeping sickness (Trypansomiasis -- T. brucei rhodesiense, T. brucei gambiense)
Trypomastigote
Trypansomiasis -- T. brucei rhodesiense, T. brucei gambiense, T. cruzi
Kissing bugs
American trypanosomiasis (T. cruzi)
Romana's sign
American trypanosomiasis (T. cruzi)
Myocarditis, megaesophagus, megacolon, meningoencephalitis
American trypanosomiasis (T. cruzi)
Xenodiagnosis
American trypanosomiasis (T. cruzi)
Anopheles mosquito = definitive host; humans = intermediate host
Malaria (Plasmodium spp.)
Sporozoite --> hepatic schizont --> merozoite --> trophozoite --> RBC schizont --> gametocytes
Malaria (Plasmodium spp.)
Relapsing fever due to hypnozoites in liver
Plasmodium vivax, Plasmodium ovale
Lack of Duffy blood group antigen
Resistance to P. vivax
Affects reticulocytes only
P. vivax, P. ovale
Primaquine works as a gametocide
P. falciparum
Chloroquine works as a gametocide
P. vivax, P. ovale, P. malariae
Tropical spastic paraparesis
HTLV-I
Adult T-cell leukemia
HTLV-I
Tax protein inactivates p53
HTLV-I
Burkitt lymphoma, nasopharyngeal carcinoma, Hodgkin disease, lymphoproliferative disorders
EBV
Infection of oropharyngeal epithelial cells
EBV, CMV
Binds to cellular complement receptor C3d
EBV
Downey cells
EBV
Pneumonia in transplant recipients
CMV
Maltese cross (trophozoite)
Babesia
Asian liver fluke
Clonorchis sinensis
Sheep liver fluke
Fasciola hepatica
Lung fluke
Paragonimus westermani
Anti-trematode Rx
Praziquantel
Watercress (water plants)
Fascioliasis (F. hepatica)
Tx for river blindness
Ivermectin
Tx for Ascaris, Necator, Enterobius
Pyrantel pamoate
Tx for Leishmaniasis
pentavalent antimony
Tx for cysticercosis
Praziquantel
Tx for tapeworms (cestodes)
Niclosamide
Tx for Chagas' disease
Nifurtimox
Tx for African trypanosomiasis
Suramin
Tx for nematode/roundworm infections
Mebendazole/thiabendazole