Blood Type
The four blood types of humans.
What are A, B, AB and O.
These are the two types of antigens found on the surface of blood cells. (Two letters)
What are A and B?
Bloodstain drop(s) created or formed by the force of gravity acting alone.
What is a passive drop?
The acute angle formed between the direction of a blood drop and the plane of the surface it strikes.
What is the angle of impact?
BPA stands for...
What is Bloodstain Pattern Analysis?
The primary function of a white blood cell
What is fights infections?
Name TWO things that blood spatter analysts study when at the scene of the crime.
What is: 1) type of weapon, 2) direction that the blood was traveling, 3) angle of impact and 4) velocity of the blood, and 5) origin of the blood.
The term that describes the initial and main part of a drop of blood
What is the parent drop?
This tool can be used to discover the angle of impact.
What is a protractor?
The fluid portion of blood, obtained by centrifuging a sample of whole blood.
What is plasma?
As height is increased, the size of the blood droplet ___________.
What is increase?
This is blood that has been dispersed but is still attached to the main blood drop.
What is a spine?
BONUS
Free point
This may happen if a person with type B blood is given blood of type A. Also "clotting"
What is agglutination?
These clot blood.
What are platelets?
Patterns that occur when a force is applied to the source of the blood Includes low, medium, or high velocity spatters, cast-off, arterial spurting, expirated blood blown out of the nose, mouth, or wound
What is a projected bloodstain?
This chemical reacts with hemoglobin to create a glowing effect.
What is Luminol?
This is the additional test used to identify blood type. Derives from a type of monkey.
What is Rh factor?
Proteins in the blood or secretory fluids that tag, destroy, or neutralize bacteria, viruses, or other harmful toxins, producing an immune response.
What are antibodies?
A bloodstain pattern created when someone creates a blood stain in a new area from the original area. Examples: foot print, hand print, etc.
What is a transfer pattern?
This detects latent bloodstains under UV light.
What is Fluorescein?