Chapter 10: Blood (excluding Spatter)
Guided Reading
1. What three questions should the investigator answer when examining an apparent blood stain? (pg 220)
2. What is the presumptive test? (pg 220)
3. What property of blood is used in most presumptive tests? (pg 221)
4. A forensic veterinarian may be asked to indentify a specific animal’s blood. How would this be done? (pg 222)
5. What is a secretor? (pg 223)
6. Define serology. How is it used in forensic investigation? (pg 223)
7. What fraction of our body is blood? (pg 223)
8. What test can determine whether blood is human or animal? What components of blood are used to differentiate between human and animal? (pg 222)
9. What are the four major blood types found in humans? (pg 223)
10. What on the surface of blood determines a persons blood type? (pg 224)
11. If a person has type A blood, what antigens are present? What antibodies? (pg 224 and 224)
12. What happens if a person with type AB blood is given a transfusion of type A blood? (pg 225)
13. To whom can a person with type B blood donate blood and from whom can that person receive blood? (pg 225-226)
14. Can dried blood still be tested? Why? (pg. 229)