Forensics Blood

Blood typing evidence is used to eliminate an individual or class of people.

• True

• False

Luminol is a chemical used to...

• Illuminate or glow if blood is present

• Detect if the blood is from a human or not

• Determine the blood type of an individual

• Preform a White Blood Cell count

Blood spatter that results from a damaged artery producing large drop patterns is called...

• Smears

• Cast Off

• Arterial Gushes

• Passive Drops

The common ways that forensic scientists can determine if blood is present at a crime scene. Check all that apply.

• Kastle-Meyer Test

• Hemoglobin Test

• Luminol Test

• The Karl Landsteiner Test

What is Agglutination?

• The clumping of blood cells caused by an antigen-antibody reaction.

• Proteins created by white blood cells that protect the body form antigens.

• A foreign substance in the body that antibodies try to fight off.

• The study of fluids.

What indicator is used in the Kastle-Meyer test?

• Luminol

• Phenolphthalein

• Hemastix

• HermaTrace

Which of the following is NOT true concerning blood typing?

• Blood typing is faster and less expensive that DNA testing.

• Blood typing is a source of individual evidence.

• Blood typing can eliminate suspects.

• Blood typing can be used in forensics as well as in determining parentage.

What is the primary component of blood that forensic scientists analyze to determine blood type?

• Red blood cells

• White blood cells

• Platelets

• Plasma

Which test is commonly used to detect the presence of blood at a crime scene by producing a blue glow?

• Kastle-Meyer Test

• Luminol Test

• Hemoglobin Test

• Precipitin Test

In forensic science, what is the term for the pattern of bloodstains created when blood is expelled from a wound under pressure?

• Passive Drops

• Cast-Off Pattern

• Arterial Spurting

• Transfer Stain