Act 1.1.4 Blood Evidence Flashcard

Front

What is a Confirmatory Test in blood analysis?

Back

A Confirmatory Test relies on unique properties of blood, such as the proteins called antigens on the surface of red blood cells, to confirm the presence of blood at a scene.

Front

What is hemoglobin?

Back

Hemoglobin is a protein found in red blood cells that transports oxygen throughout the body.

Front

What is the most common presumptive blood test?

Back

The Kastle-Meyer test is the most common and best type of presumptive blood test.

Front

What component of blood is responsible for clotting?

Back

Thrombocytes, or platelets, are the components of blood that work to clot blood at injury sites.

Front

What does Luminol do in forensic science?

Back

Luminol is a chemical used to illuminate or glow if blood is present at a crime scene.

Front

What are antigens?

Back

Antigens are unique proteins present on the surface of red blood cells that can trigger an immune response.

Front

What is the role of erythrocytes?

Back

Erythrocytes, or red blood cells, are responsible for carrying oxygen from the lungs to the rest of the body.

Front

What is the function of leukocytes?

Back

Leukocytes, or white blood cells, are part of the immune system and help the body fight infections.

Front

What is plasma?

Back

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

Front

What is a Presumptive Test?

Back

A Presumptive Test is a preliminary test that indicates the possible presence of blood but does not confirm it.