Dried blood ___________ be tested as evidence (can or cannot).
Can!
100
These factors affect the appearance of a bloodstain at a crime scene. (List 2)
What are height, angle of impact, velocity, and surface texture?
200
A person of type O+ has this antigen on their blood.
What is the Rh antigen?
200
Another term for white blood cell
What is leukocyte?
200
This is the name of the proteins found on the surfaces of your erythrocytes identifying your blood type.
What are antigens?
200
This test determines whether or not a sample taken from a crime scene is blood.
What is the Kastle Meyer Test?
200
At a 30 degree angle of impact, this feature is visible on a blood drop.
What is a tail?
300
A person with O+ blood produces these antibodies.
What are A and B antibodies?
300
The fluid portion of blood, obtained by centrifuging a sample of whole blood.
What is plasma?
300
A Cast-off blood spatter pattern results from this action at the crime scene.
What is blood being thrown from an object that is in motion (such as a swinging weapon)?
300
This chemical is a presumptive test for blood that reacts with blood to create a glow.
What is luminol?
300
A blood drop from a shoulder wound would exhibit more of these than a blood drop from a lower leg wound.
Satellites and spines
400
A person with AB- blood can donate blood to people with these two blood types.
What are AB+ and AB-?
400
When A blood is mixed with B blood, this occurs.
What is agglutination?
400
Blood typing is considered this type of evidence (class or individual)
What is class evidence?
400
This test is used to determine whether a blood sample is human or animal.
What is the precipitin test?
400
High velocity impact blood spatter exhibits this characteristic.
What is a fine mist-like appearance with tiny droplets?
500
These are 2 blood types of people who CANNOT receive A- blood.
What are O-, O+, B+, and B- blood?
500
Proteins in the blood or secretory fluids that tag and destroy foreign substances in the body or cause agglutination as part of your immune system.
What are antibodies?
500
Animal red blood cells have this, but human red blood cells do not.
What is a nucleus?
500
A sample taken from a crime scene is pale yellow after performing the Kastle Meyer test and does not show clumping from the precipitin test. Lab results indicate this sample is most likely this.
What is anything that is NOT blood?
500
You can determine the directionality of a blood drop by examining this.
What is the shape of the blood drop (length vs. width and location of the tail if visible)?