Parasitology Exam

Amoebae, Sporozoans, Ciliates

Identify (40 points)

1.  6-12 micrometers, quadrinucleate cyst, commensal

2.  AIDS-related, diarrhea, zoonosis of cattle, coccidean, monoxenous

3.  microsporidian, brain, opportunistic

4.  Pasteur Institute, North African rodent

5.  quadrinucleate cyst, chromatoidal bodies

6.  zoonosis of chimps?, rosettes, aged RBCs

7.  cooling pools of power plants, facultative

8.  paludism, fast moving trophs, tertian

9.   Flagyl, magna and minute

10.  Texas cattle fever, Boophilus annulatus

11.  immunocompromised hosts, corneal ulcers, Legionella

12.  heteroxenous, 2 sporocysts/oocyst, very large zoitocysts

13.  fish, skin lesions, cilia

14.  commensal, oral, pseudopodia

15.  large intestine, lesions, pigs, Philippines

16.  reniform glycogen mass, large eccentric endosome

17.  rabbits, monoxenous, bile ducts

18.  cerebral capillary occlusion, anopheline, heteroxenous

19.  gallinaceus birds, self limited disease, monoxenous

20.  birth defects, placental transmission

II.  Matching (10 points)

1._____Toxoplasma gondii                                                                 A.  coccidiosis

2._____Plasmodium falciparum                                                            B.  dysentery

3._____Eimeria tenella                                                                         C.  malignant tertian

4._____Entamoeba histolytica                                                               D.  quartan

5._____Plasmodium malariae                                                                E.  cats

6._____Balantidium coli                                                                         F. true relapses

7._____Plasmodium vivax                                                                     G.  pigs

8._____Cryptosporidium parvum                                                           H.  cattle zoonosis

9. _____Naegleria fowleri                                                                       I.  mild tertian

10._____Plasmodium ovale                                                                     J.  cattle, dogs

                                                                                                               K.  facultative parasitism

III.  Draw the following.  (15 points)

1.  infective cyst of Entamoeba histolytica

2.  mature oocyst of Eimeria tenella

3.  a Plasmodium ookinete

4.  a trophozoite of Balantidium coli

5.  a cell infected with a trophozoite of Plasmodium falciparum

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

                          trophozoite description   symptom periodicity   merozoite per schizont  genus of vector   relapse/recrudescence

Plasmodium vivax

Plasmodium falciparum

Plasmodium malaria

Plasmodium ovale

V.  Give five epidemiological factors which increase the incidence of infection for the following organisms. (15 points)

1.  Entamoeba histolytica

2.  Toxoplasma gondii

3.  Plasmodium vivax