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Introduction
| Question | Answer |
|---|---|
| The living together of unlike organisms. | Symbiosis |
| ONE ORGANISM BENEFITS AND THE OTHER IS UNHARMED. | Commensalism |
| ONE ORGANISM BENEFITS AND THE OTHER IS HARMED | Parasitism |
| Harbors the sexual/adult stage of the parasite | DEFINITIVE HOST (Final Host) |
| Harbors the asexual/larval stage of the parasite | INTERMEDIATE HOST |
| Also serve as additional source of infection for the susceptible host | RESERVOIR |
| Host harbors the parasite where no development is happening (Only serve as carrier or transport host) | PARATENIC HOST |
| Paratenic host harbors what stage of the parasite? | Inactive stage |
| Parasites that invade a part of the body where it is not usually found | ERRATIC |
| Parasites that only visit the host during feeding time | INTERMITTENT |
| Infects host where they cannot develop further | ABERRANT |
| Parasites that are found intracellularly | CYTOZOIC |
| Parasites that are found inside red blood cells (erythrocytes) | HEMATOZOIC |
| Parasites found in the body cavities | COELOZOIC |
| Larval stage develops inside the host; Adult stage is free-living (facultative) | TRANSITORY |
| larval stage develops in a host; Adult stage develops in another host | PERIODIC |
| Commensals, but if humans are immunocompromised, they can be infected. (2) | Entamoeba gingivalis, Trichomonas tenax |
| MOT: Ingestion of PORK (2) | Taenia solium, Trichinella spiralis |
| MOT: Ingestion of BEEF | Taenia saginata |
| MOT: Ingestion of CRABS (2) | Paragonimus westermani, Fasciolopsis buski |
| MOT: Ingestion of FISH (3) | Heterophyes heterophyes, Opistorchis felineus, Clonorchis sinensis |
| MOT: Ingestion of SNAIL | Echinostoma ilocanum |
| MOT: Transplacental (3) (Try To-Go Plus) | Toxoplasma gondii, Plasmodium spp., Trypanosoma cruzi |
| Most common sexually transmitted parasite | Trichomonas vaginalis |
| Extreme itching of anal area | PRURITUS ANI |
| Capable of Autoinfection (5) (CHETS) | Cryptosporidium parvum Capaillaria phillipinensis Hymenolepis nana Enterobius vermicularis Taenia solium Strongyloides stercoralis |
| Soil Transmitted Parasites (HATS) | Hookworms Ascaris lumbricoides, Trichuris trichiuria Strongyloides stercoralis |
| Parasites able to perform heart to lung migration (ASH) | Ascaris lumbricoides Strongyloides stercoralis Hookworms |
| PATHOGENESIS OF PARASITIC INFECTIONS: EGGS (4) (japan hema west hepa ) | Schistosoma japonicum (intestinal mucosa) Schistosoma haematobium (urinary bladder) Paragonimus westermani (lungs) Fasciola hepatica (liver) |
| PATHOGENESIS OF PARASITIC INFECTIONS: LARVA (3) (ASH) | Ascaris lumbricoides Strongyloides stercoralis Hookworms |
| PATHOGENESIS OF PARASITIC INFECTIONS: ADULT STAGE (5) (ASH-Tray Tae) | ASH Taenia spp. Trichuris trichiura |
| Parasite producing cysts (2) (GranoLium) | Echinococcus granulosus – hydatid cyst Taenia solium – neurocysticercosis |
| Pathogenic Determinant: Cysteine proteinase: a hydrolytic enzyme=destruction of tissues leading to lytic necrosis | Entamoeba histolytica |
| Produces enzymes that can cause digestion and necrosis of host cell. (3) (PLs Try) | Plasmodium spp. Leishmania spp. Trypanosoma |
| CA: cercarial dermatitis | Schistosomes |
| CA: anaphylaxis | Ruptured hydatid cyst |
| CA: tropical pulmonary eosinophilia | Occult filariasis |
| Stage in the life cycle of parasite that can be detected in the laboratory | Diagnostic Stage |
| Stage in the life cycle of parasite that is capable of eliciting disease | Infective Stage |
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