WorksheetsBlood Spatter and Fingerprints
Total questions: 43
Worksheet time: 43mins
Name
Class
Date
1.
The most common fingerprint pattern
a)
Loop
b)
Arch
c)
Whorl
2.
The least common fingerprint pattern
a)
Loop
b)
Arch
c)
Whorl
3.
Present in 30% of the population.
a)
Loop
b)
Arch
c)
Whorl
4.
Have ridges that enter from either the right or the left and exit from the same side they enter.
a)
Loop
b)
Arch
c)
Whorl
5.
Have ridges that enter from one side of the fingerprint and leave from the other side with a rise in the center.
a)
Loop
b)
Arch
c)
Whorl
6.
Fingerprints begin forming how many weeks into a female’s pregnancy?
a)
8
b)
10
c)
12
d)
16
7.
Ninhydrin and Superglue can be used to lift invisible prints because they react with what part of the print?
a)
Amino acids found in the sweat
b)
Salt found in the sweat
c)
Lipids found in the oils
d)
Carbohydrates in the print
8.
Silver Nitrate can be used to lift invisible prints because they react with what part of the print?
a)
Amino acids found in the sweat
b)
Salt found in the sweat
c)
Lipids found in the oils
d)
Carbohydrates in the print
9.
Which chemical produces a brown print that should be photographed because it fades?
a)
Cyanoacrylate
b)
Ninhydrin
c)
Iodine
d)
Silver Nitrate
10.
Which chemical should be heated in a vapor tent and produces a white print?
a)
Cyanoacrylate
b)
Ninhydrin
c)
Iodine
d)
Silver Nitrate
11.
Which chemical can be used on wood or Styrofoam and turns a print black or brown-red?
a)
Cyanoacrylate
b)
Ninhydrin
c)
Iodine
d)
Silver Nitrate
12.
Whose fingerprint identification method is still used today?
a)
Alphonse Bertillon
b)
William Herschel
c)
Henry Fauld
d)
Galton Henry
13.
AFIS contains approximately how many fingerprint records?
a)
2 million
b)
50 million
c)
500 Million
d)
1 billion
14.
FBI has found that no two individuals have:
a)
Any common minutiae
b)
common minutiae except identical twins
c)
more than 8 common minutiae
d)
more than 12 common minutiae
15.
When a fingerprint expert takes the witness stand and says he’s absolutely certain two fingerprints match, he means he’s found
a)
at least 8 or more matching minutiae
b)
at least 12 or more matching minutiae
c)
at least 20 or more matching minutiae
d)
at least 50 or more matching minutiae
16.
a)
bridge
b)
dot
c)
bifurcation
d)
ending ridge
e)
island ridge
17.
a)
bridge
b)
dot
c)
bifurcation
d)
ending ridge
e)
island ridge
18.
a)
bridge
b)
dot
c)
bifurcation
d)
ending ridge
e)
island ridge
19.
a)
bridge
b)
dot
c)
bifurcation
d)
ending ridge
e)
island ridge
20.
a)
bridge
b)
dot
c)
bifurcation
d)
ending ridge
e)
island ridge
21.
Blood cells have both A and B antigen proteins
a)
A
b)
B
c)
AB
d)
O
22.
Blood cells have neither A nor B antigen proteins
a)
A
b)
B
c)
AB
d)
O
23.
Blood cells have A antigen proteins
a)
A
b)
B
c)
AB
d)
O
24.
Blood plasma has anti-A antibodies
a)
A
b)
B
c)
AB
d)
O
25.
Which test uses produces light when possible blood is present?
a)
Kastle-Meyer
b)
Luminol
c)
ELISA
d)
Flourescin
26.
Which test uses antibodies that react to human blood to tell if mammal blood is from a
a)
Kastle-Meyer
b)
Luminol
c)
ELISA
d)
Flourescin
27.
Which test reacts with blood stains and turns pink if blood is present?
a)
Kastle-Meyer
b)
Luminol
c)
ELISA
d)
Flourescin
28.
Who was the first to research and analyze spatter patterns?
a)
Oliver
b)
Decastello
c)
Landsteiner
d)
Balthazard
29.
Who discovered the ABO and Rh blood groups?
a)
Oliver
b)
Decastello
c)
Landsteiner
d)
Balthazard
30.
Blood typing is considered what kind of evidence?
a)
Individual
b)
Class
c)
Trace
d)
Physical
31.
36. Which of the following is NOT true about blood typing?
a)
It is quicker and less expensive than DNA profiling
b)
It identifies the presence or absence of particular proteins embedded in the cell
c)
It can provide class evidence to a forensic investigator
d)
It can help determine the manner in which a victim died
32.
Which of the following is NOT true about blood spatter analysis?
a)
It can help determine the velocity at which the blood traveled
b)
It can help determine the angle of impact
c)
It shows the direction the blood traveled
d)
It can be used to locate the point of origin
e)
All of these
33.
When blood falls, it maintains what shape and why?
a)
Blood falls in a teardrop shape because of adhesion
b)
Blood falls in a teardrop shape because of surface tension
c)
Blood falls in a round shape because of capillary action
d)
d. Blood falls in a round shape because of cohesion
34.
Small secondary droplets around the main blood spatter drop are called
a)
spikes
b)
splats
c)
satellites
d)
gushes
35.
A circular drop of blood indicates a blood drop fell
a)
Straight down, without force
b)
Straight down, with force
c)
At an angle, without force
d)
At an angle, with force
36.
Circular blood drops are common with what type of injury
a)
Beating
b)
Gunshot
c)
Dripping Wound
d)
Blunt Force
37.
The Rh factor was discovered when studying which organism’s blood?
a)
Human
b)
Chimpanzee
c)
Monkey
d)
Gorilla
38.
If blood lands on a porous surface, such as wood or ceiling tile then the edge of of blood may form extensions called:the drop
a)
spikes
b)
splats
c)
satellites
d)
gushes
39.
Medium velocity blood spatter measuring 1-4mm is common with what type of injury?
a)
Beating
b)
Gunshot
c)
Dripping Wound
d)
Blunt Force
40.
a)
Eye or island
b)
Delta
c)
Trifurcation
d)
Hook or Spur
e)
Double Bifurcation
41.
a)
Eye or island
b)
Delta
c)
Trifurcation
d)
Hook or Spur
e)
Double Bifurcation
42.
a)
Eye or island
b)
Delta
c)
Trifurcation
d)
Hook or Spur
e)
Double Bifurcation
43.
a)
Eye or island
b)
Delta
c)
Trifurcation
d)
Hook or Spur
e)
Double Bifurcation
100 %
