Histopathology

Immunohistochemistry Practice Questions

20 free Immunohistochemistry practice questions for the Pathology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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Questions

All Immunohistochemistry questions

20 questions
  1. Q1. What is the primary purpose of immunohistochemistry (IHC) in histology?
  2. Q2. In immunohistochemistry, what does the term 'antigen' refer to?
  3. Q3. Which molecule is used in immunohistochemistry to specifically bind to target antigens?
  4. Q4. What is the role of a secondary antibody in many immunohistochemistry techniques?
  5. Q5. Which enzyme is most commonly used as a label in immunohistochemistry detection systems?
  6. Q6. Which chromogen is commonly used with horseradish peroxidase in immunohistochemistry?
  7. Q7. What is antigen retrieval in immunohistochemistry?
  8. Q8. Which fixative is most commonly used before immunohistochemistry processing?
  9. Q9. Which microscopic technique is typically used to observe immunohistochemical staining with enzyme-based chromogens?
  10. Q10. What is the purpose of blocking steps in immunohistochemistry?
  11. Q11. Which type of antibody is applied first to bind directly to the target antigen in immunohistochemistry?
  12. Q12. Which of the following best describes a monoclonal antibody?
  13. Q13. Which type of antibody recognizes multiple epitopes on the same antigen?
  14. Q14. Which technique is closely related to immunohistochemistry but uses fluorescent dyes for detection?
  15. Q15. In diagnostic pathology, immunohistochemistry is commonly used to:
  16. Q16. What is a chromogen in immunohistochemistry?
  17. Q17. Why is a control sample often included in immunohistochemistry experiments?
  18. Q18. Which of the following best describes a positive immunohistochemical staining result?
  19. Q19. Which step typically occurs immediately before antibody incubation in immunohistochemistry?
  20. Q20. Which tissue component is typically detected using immunohistochemistry?