All of the following are protozoan diseases of the gastrointestinal tract, acquired by ingesting cysts EXCEPT: Cryptosporidiosis Amoebic dysentery O Giardiasis Trichomoniasis None of the other four answers (All are protozoan Gl diseases acquired by ingesting cysts)
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- Actinomycetes are ___________ that cause _________ .a. filamentous rods, chronic granuloma infectionsb. pleomorphic bacteria, erysipeloidc. sporeformers, tooth decayd. hyphae, pseudomembranesMatch the following protozoan systemic diseases with theirmode of transmission and causative agent:——Leishmaniasis——Malaria——Babesiosis——Toxoplasmosis(a) Cat feces(b) Raw or undercookedmeat(c) Anopheles mosquito(d) sandflyNO EXPLANATION NEEDED, LETTER OF THE ANSWER ONLY. 1. The incorrect match between the disease and the symptoms: a. Naegleria- Kernigs sign b. Ascaris- Wakana’s disease c. Onchocerca- Fugitive swelling d. Enterobius- dysentery e. Blastocystis- gastroenteritis 61. The parasitic examination which can be used to confirm protozoan cysts and trophozoites? a. Iron- hematoxylin staining b. Formalin ether concentration technique c. Merthiolate iodine formaline technique d. Iodine stain wet film e. none of the above 62. The causative agent of hyper- infection syndrome: a. whipworm b. pinworm c. threadworm d. trichinia worm e. medina worm
- When environmental conditions do not favor protozoan growth, a method of survival includes encystment to create a durable cell with a protective cell wall. the production of trophozoites from cysts. (I know it's not this one) rapid multiplication and killing of the host. the shedding of the plasmalemma. an increase in overall metabolic activity.Compare the different protozoans. PARASITE SOURCE OF INFECTION MODE OF TRANSMISSION CHARACTERISTIC MANIFESTATION Entamoeba histolytica Naegleria sp. Acanthamoeba sp. Giardia lamblia Trichomonas vaginalis Trypanosoma cruzi Trypanosoma brucei Leishmania donovani Toxoplasma gondii Plasmodium falciparumIdentify wether the following terms are intestinal or extra-intestinal. (answer 1 to 6) 1. Taenia solium 2. Balantidium coli 3. Ciliphora 4. Trichomonss vaginalis 5. Pseudophyllidean 6. Schistosoma japonicum
- amoebas Euglenozoa Ciliates of the phylum Ciliophora Apicomplexans For each of the groups listed above, provide one example of a pathogenic protozoan found in the U.S.ACharacteristics of Dientamoeba fragilis include all of the following except: a. This organism is a flagellate with internal flagella b. Transmission is thought to occur through the ingestion of specific helminth eggs c. This organism is pathogenic and tends to be more commonly found in children d. Trophozoites contain a single nucleus, while the cysts contain two nucleiAn individual who swam in freshwater during the summer after a time experiences intense head pain, nausea and fever. This could indicate (can be multiple) Primary Amebic Menigoencephalitis (PAM) Dinoflagellates were present a Naegleria fowleri infection a harmful algal bloom (HAB)
- Answer by listing only the name of the disease. Some questions will require the name of the organism. 1.A patient presents with intense abdominal pain and bouts of diarrhea. The diarrhea ranges from mild to bloody, and a stool sample shows the presence of pseudopod-forming protozoans. You tell the patient he's lucky he came in now, as this could lead to hepatitis or colon cancer. What does the patient have? 2.A 19 year old male presents with a fever, body aches, and loss of appetite. He has a large localized swelling near his bottom lip and his lymph nodes in his neck are enlarged. Following a blood test, you detect euglenozoa antibodies and tell him how uncharacteristic it is to find reduviids in this part of the world. What does the patient have?Why is Blastocystis hominis described as: a. Miscellaneous protozoa b. Not a pseudoparasiteAll of the following are true of Legionnaires’ disease excepta) the causative organism can grow inside protozoa.b) it spreads readily from person to person.c) it is more likely to occur in long-term cigarette smokers than in nonsmokers.d) it is often associated with diarrhea or other intestinal symptoms.e) it can be contracted from household water supplies.