Parasitology Exam

Flukes and Tapeworms

I.  Identify the organism (50 points)

1,  operculate egg capsules, embryonated, water chestnuts

2.  cottontail rabbits, hunters, dogs

3.  drunken crab, rice fields

4.  40 mm, polyzoic, Tribolium

5.  canines, gid

6.  liver, egg capsules eaten by snail

7.  double set of reproductive organs, acraspedote

8.  North America, cats, sparganosis

9.  salmon, Neorikettsia

10.  pernicious anemia, Cyclops, Finland

11.  mesenteric veins, Orient

12.  Bengal tigers, microcercous

13.  sheep as definitive hosts, mites

14.  development of bladderworm in definitive host, armed scolex, 10-15 feet

15.  epicurean ants, liver ducts

16.  children, Tenebrio, cysticercoid

17.  furcocercous, Bill Harris, St. Lucia

18.  raw fish, small intestine

19.  embryonated, Aswan Dam, hepatosplenomegaly

20.  raw snails, Orient, small intestine, variety of definitive and intermediate hosts

21.  primates, mites

22.  muslims in India, animated proglottids

23.  leopard frogs, amphistome, black spots

24.  halzoun, dendritic ovary

25.  Jeremiah was a bull frog
       Was a good friend of mine
       Never  understood a single word he said
       But I helped him drink his wine

II.  Fill in the chart (20 points)

ORGANISM                   INTERMEDIATE HOST                       DEFINTIVE  HOST                INFECTIVE STAGE for                ORGAN INFECTED
                                                                                                                                                        DEFINITIVE HOST

Schistosoma mansoni

                                         snail, red caltrops

                                                                                                                 man

                                                                                                                                                                   coenurus

                                                                                                                                                                                                                    lungs

III.  Draw the reproductive tract of any trematode or cestode of your choice and label the parts.  Be sure to identify your organism.  (15 points)

IV.  Compare the following with drawings.  Label each (15 points)

1.  armed and unarmed scolex

2.  embryonated and unembryonated egg capsules

3.  craspedote and acraspedote proglottids

4.  operculate and non-operculate egg capsules

5.  phototrophic and non-phototrophic cercaria