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WorksheetsBlood Pattern #1
Total questions: 16
Worksheet time: 48mins
Name
Class
Date
1.
What conclusion can be made if a murder victim’s blood is found inside the muzzle of a firearm?
a)
No conclusion can be made
b)
The firearm is the murder weapon
c)
The firearm was present during injury to the victim
d)
The owner of the firearm is the perpetrator
2.
The study of body fluids & stains remaining at a crime scene is called?
a)
Forensic Toxicology
b)
Forensic Osteology
c)
Forensic Pathology
d)
Forensic Serology
3.
Which of the following is NOT a common chemical reagent used to ID blood?
a)
Soylent green
b)
Leucomalachite green
c)
Phenolphthalein
d)
Luminol
4.
The best way to collect a bloodstain from a rug would be to?
a)
Cut out the section and submit to a lab.
b)
Scrape into a clean vial.
c)
Moisten unused cotton swap the area.
d)
Use a tape lift.
5.
What reaction will occur if Tetramethylbenzidine is used on a bloodstain?
a)
The swab turns an intense red color.
b)
The swab turns a pale green color.
c)
The swab turns an intense blue color.
d)
The swab turns a pale orange.
6.
The pointed end of a bloodstain always faces:
a)
Opposite its direction of travel.
b)
In its direction of travel.
c)
Toward the direction from which the force came.
d)
Toward the position of the blood source.
7.
What characteristic will a blood droplet deposited at an angle of impact of about 90 degrees
a)
Elliptical in shape
b)
A tail showing the directionality
c)
Approximately circular in shape
d)
Acute elongation
8.
What is the most common type of bloodstain pattern found at a crime scene?
a)
Cast-off spatter
b)
Void spatter
c)
Impact spatter
d)
Arterial spray
9.
Which type of blood patterns often result from shot guns close to a wall, or being hit with a baseball bat?
a)
Impact/splatter blood patterns
b)
Blood wipe/swipe patterns
c)
Blood splatters.
d)
Dripping blood patterns
10.
The tail of bloodstains in dripping blood patterns points in which direction?
a)
In the direction of the traveling drop.
b)
In the opposite direction of the traveling drop.
c)
None of the above
11.
The energy and force of a baseball bat hit to the head will do what to the blood
a)
Causes the blood to get broken into smaller pieces.
b)
Causes the blood to make star like blood stains.
c)
Causes the blood to clump together
d)
Causes the blood to make spherical shaped patterns
12.
High velocity impact splatter patterns can be made by
a)
A knife
b)
A gun
c)
A knife or a fist
d)
A knife or a gun
13.
Which weapon would create cast-off patterns consisting of small droplets in a linear pattern?
a)
Baseball bat
b)
Knife
c)
Wooden plank
d)
All of the above
14.
The pressure of the pumping of oxygenated blood out of an injury causes bright red colored blood to spurt out and form what pattern?
a)
Void
b)
Expirated
c)
Arterial spray
15.
What is an expirated blood pattern at a crime scene characterized by?
a)
Bubbles of oxygen within the pattern
b)
Skeletonized edges
c)
Lighter color than other patterns
16.
The removal of an object or surface that was located between the origin of blood and the target surface during the bloodstain deposition leaves what behind?
a)
Expirated blood
b)
A void
c)
Blowback spatter
d)
An unidentifiable pattern
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