Blood and Blood Spatter Quiz

What did the Egyptians use to try to cure diseases around 2500 B.C.?

• Bloodletting

• Arteries

• Veins

• Transfusion

Who discovered the three blood types A, B, and O in 1901?

• Alfred Decastello

• Karl Landsteiner

• Percy Oliver

• Bernard Fantus

What is the study of blood applied to crime called?

• Serology

• Hematology

• Virology

• Pathology

What is considered class evidence and is good to rule out suspects?

• Blood typing

• DNA profiling

• Blood spatter

• Blood transfusion

What percentage of blood is made up of red blood cells?

• 45%

• 55%

• 65%

• 75%

What are red blood cells called?

• Erythrocytes

• Leukocytes

• Thrombocytes

• Plasma

Who should perform the measurements for determining the point-of-origin in bloodstain analysis?

• Any forensic scientist

• Only experienced analysts trained in this technique

• Police officers

• Medical examiners

What is used to detect hemoglobin left behind by blood?

• Luminol powder

• Kastle-Meyer test

• ELISA test

How long will blood luminesce if Luminol is present?

• About 10 seconds

• About 30 seconds

• About 60 seconds

Luminol reacts to old or new blood, however it destroys the blood so it cannot be tested later.

• True

• False