QUESTIONS 253 



QUESTIONS. 



1. What other names have been given to the disease anthrax? How long 

 has it been known to mankind ? 



2. What animals are susceptible to it? 



3. Describe the pathologic changes of anthrax. 



4. What is meant by the parenchymatous degeneration of an organ? 



5. What is a leukocytosis or hyperleukocytosis? 



6. What is meant by a fulminant case of anthrax or of an infectious disease 

 in general? 



7. Describe the anthrax bacillus (a) in the blood of an animal dead from 

 the disease; (6) from a pure culture. 



8. Describe some methods of staining (a) the capsule; (6) the spores of the 

 Bacillus anthracis. 



9. Describe the changes in the bacillus in sporulation. 



10. Describe the changes in the spore in germination. 



11. What is an asporogenous anthrax bacillus? 



12. Describe a gelatin stick culture of the anthrax bacillus. 



13. What is an impression or Klatsch preparation of an anthrax colony? How 

 does it look? 



14. Describe the growth of the anthrax bacillus in bouillon, on potatoes, in 

 milk. 



15. Discuss the resistance of the anthrax bacillus and its spores. 



16. What bacterium is very antagonistic to the anthrax bacillus? 



17. How do cattle and sheep generally contract anthrax? 



18. How do men contract the disease? 



19. Describe the steps to establish beyond doubt the diagnosis of anthrax. 



20. How is anthrax-suspected material prepared for forwarding to a distant 

 laboratory for diagnosis? 



21. How should anthrax cadavers be disposed of? 



22. Describe the method of Pasteur used in the preparation of the anthrax 

 vaccines. 



23. Describe and discuss their use in the protection of cattle and sheep. 



24. How is the anti-anthrax serum prepared? 



25. What is the simultaneous method to protect animals against anthrax? 

 What are its advantages? 



26. Describe the different toxins of anthrax and their action. . 



