The Forensics of Blood Worksheet The blood's texture and shape

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The Forensics of Blood Worksheet
1. The blood’s texture and shape and how it is distributed around the victim
often helps the investigators determine what three things?
2. How have criminals made a forensic scientist’s job harder?
3. What 2 tests do forensic scientists rely on heavily to tell them if the
substance is blood or not?
4. What protein in blood does both tests test for?
5. Luminol can detect blood stains that have been diluted up to
_______________________ times!
6. What limitations does the luminol and Kastle-Meyer technique have?
7. What is done in performing the Kastle-Meyer test?
8. What test is used to determine between human blood and animal blood?
9. List the possible blood types that a human can be.
10. What test do they use to confirm a suspect to which the blood at a crime
scene matches?
11. What can the size and shape of a blood droplet tell you?
12. Blood is an example of a ___________________________________.
13. What are the two types of pattern when dealing with blood stains?
14. Plasma makes up about ______________ of the blood’s total volume, is a pale
yellow liquid.
15. Red blood cells make up _____________ of the total blood’s volume.
16. Red blood cells live for about ______________ days.
17. What rate are red blood cells replenished?
18. What is the molecular formula for hemoglobin?
19. White blood cells make up _____________ of blood’s total volume.
20. What role do white blood cells play?
21. The ___________________________________ are cell fragments involved in clotting
blood, which helps stop bleeding.
22. What antigens does blood type A have?
23. What antigens does blood type B have?
24. What antigens does blood type AB have?
25. What antigens does blood type 0 have?
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