552 CLASSIFICATION AND MORPHOLOGY OF AMEBA 



QUESTIONS. , 



1. Give the proper classification of ameba. 



2. What does the term ameba signify? 



3. What is a pseudopodium? What a lobose pseudopodium ? 



4. Describe the general morphology of amebse. 



5. What methods of reproduction have been observed? 



6. What is meant by endoplasm, ectoplasm, chromidia formation? 



7. How can amebss be studied in the live state ? 



8. Describe the two staining methods recommended for the study of amebae. 



9. Describe the culture medium used in cultivating amebse. 



10. What is a pure-mixed culture of amebse? 



11. What is the procedure for obtaining a growth of amebse: (a) in the case 

 of saprophytic amebse, (6) in the case of parasitic amebse ? 



12. Describe in detail the subsequent steps to get a pure-mixed culture of 

 amebae. 



13. Do amebse enter into symbiotic community with all bacteria? 



14. What is the "hanging plate culture" method of Walker? 



15. Are all parasitic amebae pathogenic? Name some pathogenic amebse. 



16. Describe the morphology of Entamreba coli. 



17. Describe the morphology of Entamceba hystolytica. 



18. Give the main differential morphologic and biologic features of Entamoeba 

 coli and Entamoeba hystolytica. 



19. Is Entamoeba coli ever found in the intestines of healthy man ? If so, 

 what is the procedure for finding it ? 



20. Name some other amebae (besides Entamceba hystolytica) pathogenic 

 to man. 



21. What is enterohepatitis in turkeys? What is its common name? 



22. In what organs and structures are the main pathologic lesions of this 

 disease found? 



23. Describe the chief pathologic lesions. 



24. Name and describe the organism causing infectious enterohepatitis in 

 turkeys. 



25. What kind of an organism is Balantidium coli? 



26. Where generally found ? Does it ever infect man ? 



27. Is it ever pathogenic to man or animals? What reasons are there to believe 

 that it is pathogenic ? 



