ACTUAL Exam Questions and CORRECT
Answers
What type of evidence is blood typing? - CORRECT ANSWER -Class Evidence
What is the liquid part of blood called? - CORRECT ANSWER -Plasma
Three Different Components of Blood - CORRECT ANSWER -Plasma, Platelets, and
Red/White Blood Cells
What is the name of the cells that are responsible for carrying oxygen and giving blood its color?
- CORRECT ANSWER -Red Blood Cells
What is the name of the cells that are responsible for fighting diseases and bacteria? - CORRECT
ANSWER -White Blood Cells
Which cell assists in blood clotting and repairing damaged blood cells? - CORRECT
ANSWER -Platelets
Four Main Types of Blood Types - CORRECT ANSWER -A, B, AB, O
What is the name of the present or not present protein that gives you a positive or negative blood
type? - CORRECT ANSWER -RH Factor
What do you call the small secondary drops that form around a blood drop? - CORRECT
ANSWER -Satellites
, What is the name of the extensions that form pointing outward from the blood drop? -
CORRECT ANSWER -Spines
Blood Spatter - CORRECT ANSWER -A collection of blood spots that create a pattern for
interpretation
What do you look at to determine the direction the blood was moving? - CORRECT
ANSWER -The tail of the blood drop
Blood Drop Vs. Height - CORRECT ANSWER --the higher the blood is dropped, the
bigger the blood drop -the lower the blood is dropped, the smaller the blood drop
What is the term given to the blood stain pattern that is created when blood is thrown from a
blood bearing object in motion? - CORRECT ANSWER -Cast-Off Pattern
Area of Convergence - CORRECT ANSWER -A 2D view of intersection of lines made by
stringing blood patterns
How do you measure area of convergence? - CORRECT ANSWER -Put ruler (on each
blood drop) from the tail of the blood drop to the tip ; where they cross is the AOC.
Point of Origin - CORRECT ANSWER -The location of a blood source (the victim)
viewed in 3D
Angle of Impact Formula - CORRECT ANSWER -sin^-1(width/length); or smaller
divided larger amount
Universal Donor - CORRECT ANSWER -O-
Universal Recipient - CORRECT ANSWER -AB+