Forensic Blood Stain Patterns Analysis

Front

What is the ABO blood group system?

Back

The ABO blood group system classifies human blood into four main types: A, B, AB, and O, based on the presence or absence of antigens on the surface of red blood cells.

Front

What happens if a person with AB blood receives type A blood?

Back

Nothing, they can accept A blood because AB blood type has both A and B antigens.

Front

What is a blood spatter pattern?

Back

A blood spatter pattern is the distribution of bloodstains resulting from a blood source, which can provide information about the events that caused the bloodshed.

Front

What is a 'void' blood spatter pattern?

Back

A void pattern occurs when an object blocks the path of blood, leaving an area without blood spatter, indicating the position of the object.

Front

What is 'cast-off' blood spatter?

Back

Cast-off spatter is created when blood is flung from a blood-bearing object, often seen in cases of blunt force trauma.

Front

What is the difference between 'medium velocity' and 'high velocity' blood spatter?

Back

Medium velocity spatter is typically produced by blunt force impacts, while high velocity spatter is produced by gunshots or explosions, resulting in smaller droplets.

Front

What is a 'walking drip' bloodstain pattern?

Back

A walking drip pattern is created when blood drips from a person or object that is moving, leaving a trail of blood droplets.

Front

What components make up whole blood?

Back

Whole blood consists of red blood cells, white blood cells, plasma, and platelets.

Front

What is the role of plasma in blood?

Back

Plasma is the liquid component of blood that carries cells, nutrients, hormones, and waste products throughout the body.

Front

What are red blood cells responsible for?

Back

Red blood cells are responsible for transporting oxygen from the lungs to the body's tissues and returning carbon dioxide to the lungs.