Blood Spatter Test Review

Front

What is the formula to calculate the angle of impact of a blood drop?

Back

sin⁻¹(width / length)

Front

If a blood drop has a length of 2.3 and a width of 2.0, what is the calculated angle of impact?

Back

60 degrees

Front

What type of blood cells have A antigen proteins?

Back

Type A

Front

What does the width of blood drops help an analyst determine?

Back

The height of the origin of blood.

Front

What is the blood type of a person without A or B antigens on their red blood cells?

Back

Type O

Front

What is the area of convergence in blood spatter analysis?

Back

The point where the trajectories of blood drops meet.

Front

What is the significance of the angle of impact in blood spatter analysis?

Back

It helps determine the direction from which the blood originated.

Front

What are the four main blood types?

Back

A, B, AB, O

Front

How can blood spatter patterns indicate the type of weapon used?

Back

Different weapons produce distinct patterns based on the force and angle of impact.

Front

What is the relationship between the height from which blood falls and the size of the blood drop?

Back

Higher drops create larger blood drops due to increased force of impact.