Parasitology Exam

Flukes and Tapeworms

I.  Identify (40 points)

1.   1379, contamination vegetation, ruminant bile passageways

2.  fox-trappers, alveolar, liver

3.  tigers, microcercous, pseudotubercles

4.  fleas, double reproductive tract

5.  slave trade, furcocercous, Biomphalaria

6.  red caltrops, water chestnuts, small intestine

7.  Cysticercus cellulosae, Kuchenmeister

8.  gravlox, Diaptomus

9. double reproductive tract, mites

10.  hematuria, Bulinus

11.  monoxenous, monoecious, Brahm Stoker

12.  sparganosis, Cyclops

13.  salmon, Neorikettsia

14.  canines, coenurus

15.  Katsurada, anterior mesenteric vein

16.  Tribolium, Rattus, unarmed

17.  bile ducts, Laurer's canal, liver cancer

18.  thick, striated embryophore, unarmed

19.  amphistome, leopard frogs

20.  bile ducts, snails, ants

II.  Draw the reproductive tract of any trematode or cestode of your choice.  Label the parts.  Be sure to identify the specific worm you have drawn (10 points)

III.  Compare the following with drawings. (10 points)

1.  swimming and non-swimming cercaria

2.  monostome and distome flukes

3.  egg capsules of a pseudophyllidean and cyclophyllidean tapeworm

4.  endogenous and exogenous hydatid cyst

5.  Hymenolepis and Vampirolepis scolices

IV.  Describe the epidemiological factors associated with: (15 points)

1.  Schistosoma mansoni

2.  Echinococcus granulosus

3.  Paragonimus westermani

IV.  Fill in the chart. (20 points)

ORGANISM                           INTERMEDIATE HOST            DEFINITIVE HOST            INFECTIVE STAGE/DEFINITIVE HOST        ORGAN INFECTED

                                                                                                                                                                    cercaria

                                                                                                              dog

                                                                                                                                                                                                                                       liver

                                                             copepods & fish

Echinostoma revolutum

V.  Identify the organism designated by the number (s) on the country or range on the world map seen below.  Name the country or a predominate country in that range.  (The organisms are limited to the country or range depicted on this map). (10 points)