Blood as Evidence

Front

What is the blood type of the individual in the case study?

Back

B+

Front

Which blood type is considered the universal donor?

Back

O-

Front

What can the presence of blood drops indicate in a forensic investigation?

Back

The presence of blood can indicate a struggle, injury, or crime scene activity.

Front

At what angle is blood most likely dropped if it falls straight down?

Back

90°

Front

What is the angle of impact for a blood drop that strikes the surface at a 30-degree angle?

Back

30°

Front

What is the significance of blood type in forensic science?

Back

Blood type can help identify or exclude potential suspects.

Front

How can the angle of impact be determined from blood spatter patterns?

Back

By measuring the shape and elongation of the blood droplets.

Front

What is the role of blood spatter analysis in crime scene investigations?

Back

It helps reconstruct the events that occurred during a crime.

Front

What factors can affect the shape of a blood drop upon impact?

Back

Surface texture, height of the drop, and angle of impact.

Front

What is the difference between arterial and non-arterial blood spatter?

Back

Arterial spatter is characterized by a spray pattern due to blood being expelled from an artery, while non-arterial spatter is more uniform.