MICROBIOLOGY & IMMUNOLOGY
MICRO: Parasitology
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Medically important protozoa:
Entamoeba histolytica causes -?-amebiasis and is transmitted by -?-cysts in water.
Giardia lamblia causes -?-giardiasis and can be treated with -?-Metronidazole.
Cryptosporidium causes -?-severe diarrhea in AIDS and can be diagnosis through -?-cysts on acid-fast stain.
Toxoplasma causes -?-brain abscess in HIV and -?-birth defects.
Plasmodium causes -?-malaria and is transmitted by -?-mosquito.
Trichomonas vaginalis is diagnosed by -?-trophozoites on wet mount and treated with -?-Metronidazole.
Trypanosoma cruzi causes -?-Chagas' disease (heart disease) and treated with -?-Nifurtimox.
Naegleria causes -?-rapidly fatal meningoencephalitis and is transmitted by -?-amebas in spinal fluid.
Medically important helminthes:
Which Cestode causes an phylaxis if echinococcal antigens are released from
cysts: -?-echinococcus granulosus
taenia solium or echinococcus granulosus or onchocerca
volvulus
Which Trematode is caused by undercooked fish and causes inflammation of the
biliary tract: -?-clonorchis sinensis
schistosoma or clonorchis sinensis or paragonimus westermani
or loa loa
Which Nematode is transmitted by female mosquito and causes blockage of
lymphatic vessels (elephantiasis):
-?-wuchereria bancrofti
dracunculus medinensis or wuchereria bancrofti
Which Nematode is transmitted by larvae penetrating skin of the feet, causes
intestinal infection that can result in anemia, and is treated with
mebendazole: -?-ancylostoma duodenale
ancylostoma duodenale or strongyloides stercoralis or trichinella
spiralis
| Portal hypertension | -?-(f) schistosoma mansoni |
| Microcytic anemia | -?-(g) ancylostoma, necator |
| Biliary tract disease | -?-(d) clonorchis sinensis |
| Hemoptysis | -?-(e) paragonimus westermani |
| Liver cysts | -?-(b) echinococcus granulosus |
| Brain cysts, seizures | -?-(a) taenia solium |
| Hematuria, bladder cancer | -?-(h) schistosoma haematobium |
| Perianal pruritus | -?-(i) enterobius |
| B12 deficiency | -?-(c) diphyllobothrium latum |
| (a) taenia solium (b) echinococcus granulosus (c) diphyllobothrium latum (d) clonorchis sinensis (e) paragonimus westermani (f) schistosoma mansoni (g) ancylostoma, necator (h) schistosoma haematobium (i) enterobius | |