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BK2
Ben Kean lecture 2
Question | Answer |
---|---|
What are the 4 morphological forms of the blood and tissue flagelets? | AMASTIGOTE, proMASTIGOTE, epiMASTIGOTE, trypoMATIGOTE |
What are the clinical classifcations of Leishmania? | Mucoasal, Visceral and Mucocutaneous |
What organism carreis around Leishmania donovani? | Sandfly |
What does the cutanoneous Leishmania look like? | Painless ulcer at the site of sandfly bite? |
How do you diagnose leschmania? | Take a sample of spleen. You should see macrophages containing amastigotes |
Where do you see visceral Leischmanias more? | East Afria and S. America |
Where do you see cutaneous Leishmanias more? | South America and M.E |
What can be found in the pbs in T cruzi? | TrypoMASTIGOTE |
What do you find in the heart of a T. cruzi infection? | A cyst filled with amastigote parasites |
What are teh associated symptoms of T.cruzi? | Fever, Romanas sign, lymphadenopathy |
What are teh chronic cardiac consequences of T. cruzi? | Cardiomyopathy, conduction system disease |
Patients with visceral Lesihmania have what? | Fever, hepatosplenomelgaly, Pancytopenia |
What is the transmission of T.cruzi? | Reduvvid/kissing bug |
Trypansomia Rhodesia is named after which country? | Zimbabwe |
Other than zimbabwe which are country has a name after trypanosoma? | T. Gambiense |
What is the initial prezentation of AS Sickness? | Chancre, subsequent development of myocarditis, pericarditis, nephritis and pleural effusions |
What do you get in A.S. Sickness? | Enlarged lymph nodes, recurring fever |
What do the ASS look like under smear? | S shaped |
What is the shape of cruzi? | C(ruzi) shaped |
Strongyloides may affect immunocompromised T/F? | True |
Wha are the symptoms of G. Lamblia? | Diarrhea, foul smelling, weight loss |
What does the trophozoite look like? | Face - nuclei eyes - axonemas, parabasal - mouth |
What is the cyst? | Infective form |
How may one get G. lamblia? | Cysts in water, beavers |
Where does teh G. lamblia trophozoite attach? | Intestine |
How do you get entamoeba histolytica? | Eat cysts in water, sex |
What are the symptoms of E. Histolytica? | Bloody diarrhea, liver abscess Toxic megacolon, RUQ pain |
do the cysts look the same as in G. lamblia? | No, these are round with 4 nuclie |
What do the trophozoites of E. histolytica look like? | These have RBCS incisde as well as a karysome? |
How do you diagnose E.histolytica? | Seroogy, or cysts, increased trophozoites in stool, RBCS in cytoplams of antameoba |
Describe the life cycle of strongyloides? | larvae penetrate skin, transmitted through lungs - intestine (possible hyperinfection) ->larvae in feces |
Where can you see strongyloides? | In the Bronchosopy, it causes vomitting, diarrhea and ANEMIA |
What is the life cycle of ascaris? | You eat the eggs, eggs enter bowel and obstruct |
What does ascaris result in ? | Bowel obstruction |
What is the hookworm really called? | Ancytostoma dudonea, Necator Americanus |
Is the hoookworm similar to strongyloides? | Yes, however it results in suckin blood from intestines |
What does hookworm result in most commonly? | Anemia |
Worms in the anus are callled what? | Enterobius Vermiculus, you get it with food in w/ eggs |
What does enterobius result in? | Intestinal infection, anal pruritis |