Download 12.2 Review Questions What happens when serum containing B

12.2 Review Questions
1. What happens when serum containing B antibodies is added to red blood cells carrying the B
antigen? Will the same thing happen if serum containing B antibodies is added to red blood
cells containing A antigen? Explain your answer.
2. What is serology and what is its most widespread application? In what other areas related to
forensic science is it finding application?
3. What is the difference between monoclonal and polyclonal antibodies?
4. Briefly describe how antibodies capable of reacting with drugs are produced in animals.
5. What immunoassay technique has gained widespread popularity among toxicologists because of
its speed and high sensitivity for detecting drugs in urine? What drug is this technique
frequently used to screen for?
6. What three questions must the criminalist answer when examining dried blood?
7. Name the most common color test for blood and describe how it identifies bloodstains.
8. Describe how luminal is used to detect bloodstains.
9. Name two reasons why color tests are superior to microcrystalline tests for identifying blood.
10. What is the standard test used to determine whether blood is of human or animal origin and
what is the principle underlying test?
11. Which technique takes advantage of the fact that antibodies and antigens move toward one
another on a plate coated with a medium made from a natural polymer called agar?
12. In what technique can antigens and antibodies be induced to move toward one another under
the influence of an electrical field?