Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove Ads
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards




share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Med Micro parasites

exam3

QuestionAnswer
Entamoeba hartmanni "small histolytica stool specimen troph- 1 nucleus, central karyosome cytoplasm- fine granular cyst- 4 nuclei, elongated chromatoid bodies, rounded ends
Endolimax nana stool specimen troph-1 nucleus, blot like karyosome cyst- 4 nuclei, blot like karyosome no chromatoid bodies
Lodameoba buetschlii stool specimen troph-1 nucleu;, large, central karyosome, retractile granules cytoplasm- coarsely ground, vaculated cyst- 1 large nucleus, eccentric karyosome, compact, well defined glycogen mass
Entamoeba polecki stool spec troph- 1 nucleus, small discrete karyosomal chromatin cytoplasm- coarsely granular, vaculated cyst- 1 nucleus, sm eccentric karyosome(pleomorphic) cytoplasm - small inclusions/mass
Retortamonas intestinales rare cyst - 1 nuclei, fibrils shaped like "birds beak" troph- slightly pear shaped or oval, 1 nucleus; cytostome extends half way; 2 flagella, posterior/anterior
Dientamoeba fragilis found in mucosal lining of lg intestines; unclear life cycle usually asymptomatic/diarrhea, abdominal pain no cyst troph- binuclear/1
4 morphologic forms of HEMOFLAGELLATES amastigote promastigote epimastigote trypomastigote
amastigote round, 1 nucleus, kinetoplast dot-like blepharoplast, gives rise to axomneme single parabassal body, adjacent to blepharoplast no flagella
promastigote long, slender body with free flagella 1 lg nucleus near center kinetoplast is anterior to nucleus rise to axoneme and flagella
epimastigote body is long, wider 1 lg nucleus, posterior kinetoplast anterior to nucleus undulating membrane half way into free flagella
trypomastigote C/U shape on stained blood slides; curve around RBCs long, slender body posterior kinetoplast w/ undulating membrane whole length of body flagella whole length
specimens of choice for hemoflagellates blood lymph node/ulcer aspirations bone marrow tissue biopsies CSF
Leshmania braziliensis specimen- biopsy of infected ulcer diagnostic stage- amastigote found Brazil, Columbia, Ecuador, Venezuela, Peru vector - Lutzomyia/psychodopygus sandfly res
Mucocutaneous Leishmaniasis infection of Leshmania braziliensis large ulcers in oral/nasal mucosa; destruction of nasal septum
Leishmania donovani chagasi Leishmania donovani donovani Leishmania donovani infantum Middle East vector - sandfly reservoirs- chagasi-dog, cat, fox donovani- none/fox infantum- dog, fox, jackal, porcupine
Kalaazar or dum dum fever Visceral leishmaniasis enlarged liver/spleen; darkening of skin "black fever"
Leishmania tropica group L. aethiopica L. major L. tropica
Leishmania tropica vector; attacks what human organ; reservior; infectious phase Phlebotomus sandfly; lymphoid tissue of skin; possibly dogs; amastigote
Leishmania aethiopica reservior rock hyrax
Leishmania major reservior gerbils; rodents
"Old World Leishmaniasis"; "Oriental Sore"; "Baghdad/Delhi boil" L. Tropica; Cutaneous Leishmaniasis; develops a small red papule with intense itching
Diffuse cutaneous leishmaniasis (DCL) immune system fails and self-healing doesn't occur
Trypanosoma brucei gambiense vector: Glossina palpalis/tachinoides tsetse flies humans infected by trypomastigote (diagnositic); travels to lymph system then CNS multiply by binary fission found in West/Central Africa
Created by: cjbarnes78