Blood Type
A, B, AB, and O.
What are the four blood types of humans?
Blood evidence found at a crime scene is class or individual?
What is class?
Blood spray of a gunshot wound would have a higher velocity than the blood spray from a blunt trauma, such as being struck with a hammer. (True or False)
What is a True?
A bloodstain pattern that results from blood dripping into blood.
What is a drip pattern?
The acute angle formed between the direction of a blood drop and the plane of the surface it strikes.
What is the angle of impact?
To test whether or not a suspected stain is blood an investigator could use
What is luminol?
Blood that falls straight down due to gravity has what angle of impact.
What is ninety degrees?
Bloodstain drop(s) created or formed by the force of gravity acting alone.
What is a passive drop, or bleeding?
The shape of the blood droplets can show us who the victim was. (True or False)
What is False?
The pattern resulting from blood exiting the body under pressure from a breached vessel
What is arterial spurting?
As height is increased, the size of the blood droplet ___________.
What is increase?
A bloodstain pattern caused by a high speed impact or force to a blood source such as that produced by a gunshot.
What is high velocity impact spatter?
The direction of travel of a blood drop can be determined by this.
What is shape of blood drop?
Expirated blood is this.
What is blood blown out of the nose or wound as a result of air pressure.
The size of a blood droplet would be __________________ on glass than it would be on carpeting. (smaller/larger)
What is larger?
The transfer of blood from a moving source onto an unstained surface.
What is a swipe pattern?
The common point (area), on a two-dimensional surface, over which the directionality of several blood drops can be retraced.
What is the point (area) of convergence?
A and B proteins are found on teh surface of some red blood cells. If a person's blood contains both A and B proteins then what type of blood do they have.
What is a AB blood?
The draw back effect is this.
Blood in the barrel of a firearm that has been pulled back into the muzzle?
The formula for determining the angle of impact.
What is sin-1(w/l)
A bloodstain pattern created when an object moves through an existing stain, removing it or changing its appearance.
What is a wipe pattern?
Small droplets of blood distributed around a drop or pool of blood as a result of the blood hitting the target surface.
What is satellite spatter?