← Forensics 5 Test
6 Written Questions
5 Multiple Choice Questions
- the liquid portion of whole blood containing proteins, enzymes, clotting factors, electrolytes and various types of cells.
- reveals blood like luminol but thicker (sticks better to walls) and bleach doesn't interfere with its results.
- a measure of thickness; Blood viscosity is a measure of the resistance of blood to flow, the more viscous the blood, the harder the heart must work to move it around.
- more expensive and time consuming tests that prove blood is present
- the yellowish liquid remaining after whole blood is allowed to clot; it contains most of the proteins and enzymes of plasma but none of the cells or clotting factors.
5 True/False Questions
Erythrocytes → tiny cells involved in blood clotting
Presumptive test → a test which indicates a likelihood (presumes) that blood is present but doesn't establish it as fact.
Leucocytes (leukocytes) → red blood cells; carries oxygen from the lungs to the body tissues, color comes from hemoglobin
Antigens → important molecules that instigate immune reactions within the body and help determine your blood type; any substance that causes your immune system to produce antibodies against it.
Velocity → a measure of speed