Parasitology Exam

Amoebae, Sporozans, Ciliates

Identify (40 points)

1.  quadrinucleate cyst, commensal

2.  oral, pseudopodium

3.  2 sporocysts/oocyst, opportunistic disease, human diarrhea

4.  fish, ciliated

5.  quadrinucleate cyst, chills and fever

6.  AIDS-related, microsporidian

7.  mosquitoes, quartan, Chloroquine

8.  PAM, facultative parasite

9.  liver, rabbits, oocysts

10.  2 sporocysts per oocyst, zoitocysts, felines

11.  earthworms, seminal vesicle

12.  splintered chromatoidal bodies, colonic

13.  colon, ciliated

14.  coccidiosis, turkeys

15.  oocysts, schizogeny, Maurer's clefts

16.  coccidiostats, caecum, chickens

17.  Tunis, Pasteur, African rodents

18.  zoitocysts, obligately heteroxenous, cattle, predators

19.  facultative, corneal ulcers

20.  uninucleate cysts, somewhat rounded triangles

II.  Compare the following organisms relative to: (20 points)

                          erythrocytic periodicity     trophozoite   schizont      genus of vector       relapse or recrudescence?

Plasmodium vivax

Plasmodium malariae

Plasmodium falciparum

Plasmodium ovale

III.  Explain the difference between genetic and acquired immunity.  Discuss these types of immunity relative to Plasmodium spp. and give examples.  (10 points)

IV.  Give five epidemiological factors which affect the continued success of the following organisms (15 points)

1.  Entamoeba histolytica

2.  Toxoplasma gondii

3.  Eimeria tenella

V.  Draw the following and label the parts (15 points)

1.  the apical complex of any sporozoan

2.  an occyst of Eimeria spp.

3.  a mature cyst of Entamoeba histolytica

4.  a cell infected with a trophozoite of Plasmodium vivax.

5.  a sporozoite of Plasmodium vivax.