Penn Foster Cytology
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Cytology is the exam of a single cell type, as often found in fluid specimens. It's mainly used to diagnose or screen for cancer. It's also used to screen for fetal abnormalities, for pap smears, to diagnose infectious organisms, and in other screening and diagnostic areas."

Penn Foster Cytology
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25 Questions

1. The study of cells that have been shed from body surfaces.

2. Define inflammation

3. What is the blue component of Romanowsky stain and what does it do?

4. Why should a sterile swab be moistened unless used to collect a sample from a moist lesion?

5. In what tubes should fluid samples for smears be collected?

6. What steps should be taken before fine-needle biopsy If microbiologic tests are to be performed on a sample or if a body cavity will be penetrated?

7. What sampling technique is used only when imprints, scrapings, and aspirates cannot be made such as with fistulous tracts and vaginal collections?

8. This body fluid normally contains no erythrocytes and less thatn 25 nucleated cells per microliter. Almost all cells are lymphocytes.

9. What technique is used to obtain samples for evaluation of the trachea, bronchi, and bronchioles?

10. Give 4 reasons why a smear might be excessively blue with RBC's that may be blue green.

11. How and why are lymph node tissues sampled?

12. What would discoloration and increased turbidity of pleural or peritoneal fluid indicate?

13. What do neutrophils do?

14. Why are cytology slides always scanned at low (100X) magnification?

15. What tumors are also called sarcomas?

16. What is Giemsa stain used for?

17. How many nucleated cells should be counted during a total nucleated cell count?

18. Why is vaginal cytology most frequently used?

19. What fluids are not very cellular and contain low numbers of inflammatory cells (usually small mature lymphocytes), but contain high total protein concentrations. They usually result from the leakage of lymphatics.

20. How does fluid protein concentration and smear thickness effect ideal staining time when Romanowsky stains are used?

21. What sampling technique yields few cells and a relatively great amounts of contamination making it relatively useless in the diagnosis of neoplasia.

22. Why should unfixed slides not be mailed with samples containing formalin?

23. Histiocytomas, lymphomas, mast cell tumors, plasma cell tumors, transmissible venereal tumors and melanomas are all classified as what kind of tumor?

24. What fluid is gravitational sedimentation used to concentrate?

25. What are the 3 primary types of tumors encountered in veterinary medicine?

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