PARASITOLOGY

LECTURE EXAM II

THOMAS P. BUCKELEW,PH.D

I.                    Identify the amoeba, sporozoan or ciliate described below (40 points)

1.      bile ducts, lagomorphan host, oocysts

2.      Losch, filth flies, liver, cysts

3.      dysentery, cilia

4.      steak tartare, birth defects

5.      zoonosis, chimps

6.      contact lenses, facultative

7.      ticks, twins, RBCs

8.      hypnozoites, oval schizonts

9.      biflagellated and amoeboid, thermal pools

10.  glycogen vacuole, uninucleate

11.  Meckel, recrudescences up to 3 years, sequestered schizonts

12.  two sporocysts per oocyst, AIDS

13.  monoxenous, galliform host

14.  Duffy, temperate zones

15.  quadrinucleate, glycogen vacuole

16.  heteroxenous, large zoitocysts, cattle

17.  paludism, aestivoautumnal fever, high parasitemia

18.  commensal, oral, pseudopodia

19.  uninucleate cysts, large endosome

20.  diarrhea, apical complex, hidden spores

II.                 Matching (10 points)

1.      Acanthamoeba             _____              A.  Amoeba coli

2.      Toxoplasma gondii        _____              B.  quotidian periodicity

3.      Plasmodium vivax         _____              C.  quartan

4.      Eimeria porci                _____              D.  150 micrometers long

5.      Balantidium coli            _____              E.  corneal keratitis

6.      Naegleria fowleri          _____              F.  iodophilic vacuole

7.      Entamoeba histolytica   _____              G.  Tunisia

8.      Plasmodium malariae    _____              H.  large zoitocysts

9.      Sarcocystis muris          _____              I.  oocysts in pigs

10.  Iodamoeba butschlii      _____              J.  dead end host

K.  sticky schizonts

III.               Draw the following: (15 points)

1.      mature oocyst of Eimeria tenella

2.      RBC infected with Plasmodium falciparum

3.      a cyst of Iodamoeba butschlii

4.      the stage of Plasmodium infective to humans

5.      an oocyst of Isospora belli

IV.              Compare the Plasmodium species relative to the following: (20 points)

Unique feature        Symptom        Number of merozoites          Genus of           Relapse or

Of trophozoite        periodicity in schizont                     vector               recrudescence

Plasmodium vivax

Plasmodium falciparum

Plasmodium malariae

Plasmodium ovale

V.                 Provide five (5) epidemiological factors which enhance the spread of the following organisms. (15 points)

1.      Entamoeba histolytica

2.      Toxoplasma gondii

            3.  Plasmodium vivax