Blood Spatter Analysis Study Guide

Luminal is a chemical used to.....

• Illuminati of glow if blood is present

• Detect if the blood is from a human or not

• Determine the blood type of an individual

• Perform a White Blood Cell count

Blood patterns that can sometimes create a recognizable mirror image, like hand prints, on a previously unstained surface.

• Arterial Gushes

• Smears

• Cast offs

• Passive Drops

What factor most significantly influences the size of a blood droplet in blood spatter analysis?

• Temperature of the room

• Height from which blood falls

• Color of the surface

• Time of day

In blood spatter analysis, what does the term “angle of impact” refer to?

• The angle between the blood drop and the ground

• The angle between two different blood drops

• The angle between the blood drop and the surface it hits

• The angle between multiple impact patterns

What can analysts determine from the shape of a blood drop?

• The type of weapon used

• The time of the incident

• The direction of travel

• The blood type of the victim

What does “cast-off pattern” indicate in blood spatter analysis?

• Blood that has been cleaned up

• Blood from a falling victim

• Blood thrown from a moving object

• Blood that has pooled naturally

What characteristic of blood spatter indicates high-velocity impact?

• Large, circular drops

• Very small droplets less than 1mm

Which surface would provide the most accurate blood spatter pattern analysis?

• Rough carpet

• Smooth, non-absorbent surface

• Textured wallpaper

• Porous wood

What is the primary function of platelets in blood?

• Transport oxygen

• Fight infection

• Blood clotting

• Regulate RH

Which blood type is considered the universal donor?

• Type AB

• Type A

• Type B

• Type O negative