Parasitology  Exam

flagellates, amoebae, sporozoans, ciliates, opalinids

I.  Identify (40 points)

1.  horses, donkeys, monoxenous, eradicated in North America

2.  mucocutaneous, Lutzomyia

3.  amoeboid, hyperparasite, binucleate

4.  venereal disease, spontaneous abortions, endometritis

5.  Schizotrypanum, stercoraria

6.  self-immunization, Phlebotomus sargenti

7.  turkeys, octaflagellated

8.  Winterbottom, Glossina palpalis

9.  ablastin, Taliaferro

10.  Flagyl, flagelllated, hydrogenosomes, cysts

11.  phlebotomine, spleen, liver

12.  commensal, colon, 3 anterior flagella

13.  myocarditis, Kenya, arid conditions, suramen

14.  turkeys, pleomorphic, earthworms\

15.  binucleate, missing link between flagellates and amoebae

16.  leukorrhea, venereal disease, Flagyl

17.  surra, camels

18.  amphibian rectum, host's sexual hormones

19.  cutaneous, Lutzomyia, chicle

20.  commensal, 4 anterior flagella

II.  Complete the Chart ((20 points)

ORGANISM          SITE OF INFECTION      VECTOR            DISEASE NAME          GEOGRAPHY       DIAGNOSIS

                                                                                                                                               Brazil                    serology

                                  caecum, liver                                                                                       cosmopolitan

                                  spleen, liver                  Plebotomus argentipes

                                                                                                       Gambian sleeping sickness                             tryps in blood

                                  nasopharynx                                                               Espundia

III.  Relate how the host environments of the African trypanosomes effect changes in metabolism and......structure as seen with the light and electron microscope.  (20 points)

IV.  Describe how "success" is measured in parasitism.  What role does longevity of the infected host play in the host-parasite relationship.  Use Trypanosoma brucei gambiense, T. b. rhodesiense, and T. lewisi to illustrate your answer.  (20 points)