Forensics Unit 5 Blood & Blood Spatter

Front

What is the blood type that has no antigens?

Back

O- blood type has 0 antigens.

Front

How many blood types are recognized in the ABO and Rh blood group systems?

Back

There are 8 blood types: A+, A-, B+, B-, AB+, AB-, O+, O-.

Front

What is the Kastle-Meyer test used for?

Back

The Kastle-Meyer test is a presumptive test for the presence of blood.

Front

What are the properties of blood that make it similar to water?

Back

Blood shares properties such as viscosity, density, and surface tension with water.

Front

What blood spatter pattern occurs when blood accumulates in one area?

Back

A Pool pattern is created when a source of blood remains stationary over a surface.

Front

What is viscosity in the context of blood?

Back

Viscosity refers to the thickness or stickiness of a fluid, affecting how it flows.

Front

What is the significance of blood antigens?

Back

Blood antigens determine blood type and compatibility for transfusions.

Front

What is the purpose of blood spatter analysis in forensics?

Back

Blood spatter analysis helps reconstruct the events of a crime scene.

Front

What is the difference between presumptive and confirmatory blood tests?

Back

Presumptive tests indicate the possibility of blood, while confirmatory tests definitively identify it.

Front

What is the role of the Rh factor in blood typing?

Back

The Rh factor determines whether blood is positive (+) or negative (-) based on the presence of the D antigen.