Forensic Serology
Questions And Answers 100% Correct
Plasma The fluid portion of the blood
Erythrocytes (red blood cells) Responsible for oxygen distribution
Leukocytes (white blood cells) Responsible for cleaning the system of foreign invaders
Luminol test Reaction with blood to produce light
Blood type A Has antigen A on the surface of the cell and will agglutinate with blood type
B
Blood type B Has antigen B on the surface of the cell and will agglutinate with blood type
B
Blood type AB Has antigens A & B on the surface of the cells and will not agglutinate
with either A or B
, Forensic Serology
Questions And Answers 100% Correct
Blood type O Has neither A or B, and will not agglutinate
Blood splatter evidence Field of forensic investigation which deals with the physical
properties of blood & patterns produced under different conditions
Blood droplet characteristics -Blood droplet will remain spherical in space until it collides
with a surface
-Once a blood droplet impacts a surface, a blood stain is formed
- A droplet falling from the same height, hitting the same surface at the same angle will produce
a stain with the same basic shape
Conditions that affect the blood droplet shape -size of droplet
-angle of impact
-height -velocity that droplet left its origin
-texture of target surface
Surface affect -On clean glass or plastic, droplet will have a smooth outside
-On a rough surface, droplet will produce scalloping on edges
Questions And Answers 100% Correct
Plasma The fluid portion of the blood
Erythrocytes (red blood cells) Responsible for oxygen distribution
Leukocytes (white blood cells) Responsible for cleaning the system of foreign invaders
Luminol test Reaction with blood to produce light
Blood type A Has antigen A on the surface of the cell and will agglutinate with blood type
B
Blood type B Has antigen B on the surface of the cell and will agglutinate with blood type
B
Blood type AB Has antigens A & B on the surface of the cells and will not agglutinate
with either A or B
, Forensic Serology
Questions And Answers 100% Correct
Blood type O Has neither A or B, and will not agglutinate
Blood splatter evidence Field of forensic investigation which deals with the physical
properties of blood & patterns produced under different conditions
Blood droplet characteristics -Blood droplet will remain spherical in space until it collides
with a surface
-Once a blood droplet impacts a surface, a blood stain is formed
- A droplet falling from the same height, hitting the same surface at the same angle will produce
a stain with the same basic shape
Conditions that affect the blood droplet shape -size of droplet
-angle of impact
-height -velocity that droplet left its origin
-texture of target surface
Surface affect -On clean glass or plastic, droplet will have a smooth outside
-On a rough surface, droplet will produce scalloping on edges
