QUESTIONS 345 



QUESTIONS. 



1. What is the characteristic anatomic lesion of tuberculosis? How can 

 its formation best be studied, and why? 



2. Describe the formation of an experimental tubercle. 



3. Describe the formation of a polynuclear giant cell. What is an epithelioid 

 cell? What is a lymphoid cell? 



4. Describe the cellular elements of a young tubercle and their arrangement 

 in the nodule. 



5. Describe the new formation of vessels in the tubercle. 



6. What is the evidence which shows that there occurs rapid cell proliferation 

 after the entrance of virulent tubercle bacilli into the tissues of a susceptible 

 animal ? 



7. Describe the relation between a multinuctear giant cell and the tubercle 

 bacilli contained in it. 



8. Does the tubercle contain fibrous connective tissue? What is a fibrous 

 tubercle ? 



9. Does a tubercle contain polynuclear leukocytes, and if so, what is their 

 mode of entrance? 



10. What is meant by the caseation of the tubercle? What kind of process 

 is caseation? 



11. What is a fibrinous substance? To what factors are the peculiar physical 

 properties of caseous material attributed? 



12. What secondary changes occur in the caseous tubercle? to what are they 

 due? 



13. Describe fungous tubercular granulations. 



14. What is a fibrocaseous tubercle? 



15. What may be the fate of the giant cells in healing tuberculosis? 



16. What is a solitary tubercle ? Where are they generally found ? 



17. What is a hyperplastic tuberculosis? 



18. What is meant by caseous infiltration? Where generally found? 



19. What is a cold abscess? What a tubercular cavity? Describe its wall. 



20. What is a mixed tubercular infection? 



21. Describe a tubercular ulcer. 



22. What is a miliary tuberculosis? How is acute, general miliary tuberculosis 

 commonly, if not always, brought about ? 



23. What is the meaning of the term pearl disease? Why so called? 



24. Give in general outlines the organs affected by tuberculosis in man. 



25. Name the organs most generally affected in cattle, and describe the patho- 

 logic lesions as most commonly found in cattle. 



26. Discuss tuberculosis in sheep, goats, cats, dogs, and horses 



27. Describe tubercular lesions in chickens and pigeons. How is the disease 

 generally spread among these domestic fowls? 



28. What kind of tuberculosis do parrots generally contract? 



