PLTW 1.1.4

The clumping of red blood cells due to the antigen-antibody reaction is called:

• a negative control

• hemoglobin

• agglutination

Blood stain patterns that are produced when a source of liquid blood travel through the air before landing on a surface is called:

• a presumptive test

• agglutination

• blood spatter

When a droplet of blood is dropped directly from above and 

      strikes a horizontal surface at 90°, it produces circular stains called:

• agglutination

• falling droplets

• blood transfer

 Type of blood spatter that radiates out from the center in a circular pattern created by impact with significant force is called:

• blood transfer

• radial spatter

• falling droplets

Type of blood stain that occurs when a blood source comes into contact with a surface is called:

• falling droplets

• radial spatter

• blood transfer

Blood spatters with an elliptical or elongated droplet shape struck

the surface at an angle because it traveled with:

• force and direction

• agglutination

• luminol

Tags

NGSS.HS-PS2-1

A chemical used to identify blood evidence we can't see with the naked eye because glows in the presence of blood is:

• antigen

• hemoglobin

• luminol

A protein found in red blood cells that binds and transports oxygen is:

• luminol

• hemoglobin

• Iron

A substance that stimulates an immune response from the body is called a(n):

• antigen

• antibody

• hemoglobin

 Proteins made by the immune system that circulate in the blood, recognizing foreign substances that invade the body are called:

• antigens

• antibodies

• hemoglobin