Blood Evidence

The direction of blood travel can be determined by:

• the size of the blood drop

• the shape of the blood drop

• the distance it has to travel

• all of these

A gunshot wound close to the head would produce:

• High velocity spatter

• medium velocity spatter

• low velocity spatter

• None of these

Blood typing cannot be used on dried blood.

• True

• False

A person with A antigens would have blood type:

• A

• B

• AB

• O

Tags

NGSS.HS-LS3-2

Blood spatter evidence cannot be presented in a courtroom in most states.

• True

• False

To test whether a suspected blood stain is human or animal, an investigator could use the:

• secretor test

• luminol test

• Kastle-Meyer test

• precipitin test

A person without A or B antigens on their red blood cells has blood type:

• A

• B

• AB

• O

A blood droplet will remain spherical in space until it comes in contact with a surface.

• True

• False

Blood typing has not been found to have probative value.

• True

• False

The person responsible for the ABO classification system for blood is:

• Locard

• Landsteiner

• Weiner

• Lattes