LST Cheat Sheet 2026

The 30 highest-yield LST facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What are the main types of lymphocytes involved in antigen recognition? → T cells and B cells
2. What is the significance of lymphocyte stimulation assays in clinical practice? → To assess immune function and diagnose immunodeficiencies
3. Which approach is most effective for mastering flow cytometry in Lymphocyte Stimulation Test? → Combining theoretical study with practical application and regular review
4. In Lymphocyte Stimulation Test, why is flow cytometry knowledge important for professional certification? → It demonstrates competence and ensures practitioners meet established standards
5. In Lymphocyte Stimulation Test, what role does continuing education play in flow cytometry? → To keep professionals current with evolving standards, technologies, and best practices
6. Which condition might be indicated by a poor lymphocyte response in a stimulation assay? → Immunodeficiency
7. What is the relationship between theory and practice in Lymphocyte Stimulation Test quality control? → Theory provides the foundation and framework that guides effective practical application
8. In CFSE dilution assays analyzed by flow cytometry, each successive generation of dividing lymphocytes is characterized by: → Fluorescence intensity halved relative to the previous generation
9. In Lymphocyte Stimulation Test, what role does continuing education play in mitogen stimulation? → To keep professionals current with evolving standards, technologies, and best practices
10. What is a "control group" in Lymphocyte Stimulation Test research? → A group that does not receive the experimental treatment, serving as a baseline comparison
11. In Lymphocyte Stimulation Test, what does "statistical significance" mean? → The result is unlikely to have occurred by chance alone (typically p < 0.05)
12. What is the relationship between theory and practice in Lymphocyte Stimulation Test immune response? → Theory provides the foundation and framework that guides effective practical application
13. In Lymphocyte Stimulation Test, why is immune response knowledge important for professional certification? → It demonstrates competence and ensures practitioners meet established standards
14. What is the primary function of lymphocytes in the immune system? → Fight infections and provide immunity
15. Which approach is most effective for mastering immune response in Lymphocyte Stimulation Test? → Combining theoretical study with practical application and regular review
16. In Lymphocyte Stimulation Test, what role does continuing education play in immune response? → To keep professionals current with evolving standards, technologies, and best practices
17. What molecule on the surface of B cells is responsible for antigen recognition? → B cell receptor (BCR)
18. Which of the following is a major safety advantage of CFSE-based and BrdU-based proliferation assays over the tritiated thymidine incorporation method? → They do not require radioactive materials or generate radioactive waste
19. What is the role of T cell receptors (TCRs) in antigen recognition? → They bind to antigens presented by MHC molecules on antigen-presenting cells
20. What is a best practice in Lymphocyte Stimulation Test t-cell function? → A method or technique recognized as superior based on evidence and expert consensus
21. In Lymphocyte Stimulation Test, what does "standard precautions" in infection control include? → Hand hygiene, use of PPE, and safe handling of sharps for all patient contact
22. In a Ki-67 staining-based proliferation assay, Ki-67 is a useful marker because it is expressed: → In all active phases of the cell cycle (G1, S, G2, M) but not in resting G0 cells
23. Which cell density is generally optimal for seeding peripheral blood mononuclear cells (PBMCs) in a standard 96-well proliferation assay? → 1–2 × 10⁵ cells per well
24. In the tritiated thymidine incorporation assay, what instrument is used to quantify the radioactivity incorporated into lymphocyte DNA? → Liquid scintillation counter
25. How do cytotoxic T cells kill infected cells? → By secreting perforin and granzymes that induce apoptosis
26. In Lymphocyte Stimulation Test, what does "statistical significance" mean? → The result is unlikely to have occurred by chance alone (typically p < 0.05)
27. What is the primary objective of t-cell function in Lymphocyte Stimulation Test? → To ensure competence and proficiency in core t-cell function concepts
28. What is the relationship between theory and practice in Lymphocyte Stimulation Test mitogen stimulation? → Theory provides the foundation and framework that guides effective practical application
29. What is the primary objective of laboratory procedures in Lymphocyte Stimulation Test? → To ensure competence and proficiency in core laboratory procedures concepts
30. What is the primary objective of flow cytometry in Lymphocyte Stimulation Test? → To ensure competence and proficiency in core flow cytometry concepts