Parasitology Exam

Amoebae, Sporozoans, Ciliates

I.  Identify (40 points)

1.  uninucleate cyst, reniform glycogen vacuole

2.  chimps, rosettes, robust trophozoites

3.  North African rodent, facultatively heteroxenous

4.  ticks, Martha's Vineyard

5.  monopodial, chromatoidal cigars

6.  oval schizonts, rare

7.  AIDS, cattle zoonosis

8.  pathology mimicing amoebiasis, macro and micronuclei

9.  glycogen vacuole, up to 40 micrometers, commensal

10.  vivacious, relapses, hypnozoites

11.  whirling disease, piscean host

12.  galliforms, apical complex, monoxenous

13.  rabbit liver, monoxenous

14.  striated muscle of cattle, humans as definitive host

15.  AIDS, brain, mistaken for polio or rabies

16.  8 micrometers, quadrinucleate cyst

17.  piscean skin pustules, tomites

18.  AIDS, 2 sporocysts per oocyst

19.  Meckel, recrudescence, sticky schizonts

20.  biflagellated and amoeboid, thermal springs, PAM

II.  Matching (10 points)

1._____  Acanthamoeba                                                        A.  cosmopolitan but discontinuous

2._____  Nosema apis                                                           B.  kissing

3._____   Toxoplasma gondii                                                  C. contact lens solution

4._____   Plasmodium malariae                                                D.  sheep

5._____   Enterocytozoan bieneusi                                            E.  ruminants

6.______  Eimeria ovis                                                              F.  Losch

7.______  Entamoeba gingivalis                                                 G.  ducks

8.______  Leucocytozoan simondi                                             H.  bee dysentery

9.______  Epidinium                                                                   I.  Robert Stroud

10.  ____  Plasmodium cathemerium                                           J.  AIDS, microsporidian

                                                                                                   K.  pyremethamine

III.  Draw the following and label (15 points)

1.  mature oocyst of Isopora belli

2.  mature oocyst of Eimeria bovis

3.  mature oocyst of Cryptosporidium parvum

4.  macrogametocyte of Plasmodium falciparum

5.  cyst of Iodamoeba butschlii

IV.  Discuss the causes and differences between relapses and recrudescences in Plasmodium.  What is premunition and how does it benefit both the host and the parasite?  How do genetic traits influence host susceptibility to Plasmodium?