Chapter 4: Fingerprints Flashcards
T/F
All loop patterns have a delta and a core.
True
T/F
All arches have at least two deltas and a core
False
T/F
There are two basic types of whorls
False
T/F
Ridge characteristics provide individualization for fingerprints
True
T/F
There are no legal requirements in the United States on the number of points that must match before deciding that a fingerprint belongs to a certain individual.
True
T/F
The most common method of visualizing latent prints is dusting
True
Indicate whether the statement is true or false. If it is false, change it to make it right.
12 to 16 points are generally needed to make a fingerprint comparison.
False 8 to 12
The most common type of fingerprint pattern is:
Loop
The person who is responsible for the fingerprints system used in the US today is:
Edward Henry
How large an area of a latent print is needed to make a positive comparison?
At least 8 to 12 characteristics
What type of fingerprint would be left on skin?
Latent
What type of fingerprint would be left in putty?
Plastic
What would be the best way of visualizing a print found on a glass bottle?
Dusting and lifting
Superglue
What would be the best way of visualizing a print found on a match book?
Ninhydrin
A fingerprint is composed mainly of:
Water
A fingerprint left at the crime scene must be developed:
May last for years
The study of fingerprints is called:
Dactyloscopy
The FBI’s database used for storing fingerprints is:
IAFIS
Which of these is a whorl
a. Central Pocket
b. Double Loop
c. Accidental
d. Only a and c
e. All of these
e. All of these
The loop that opens toward the thumb is called a(n)
Radial
The specific part of the skin that gives us our fingerprints is the:
Papillae
The fingerprint pattern that has one of more ridges entering from one side and then going out from the same side is entered is a(n) ________________
Loop
The fingerprint pattern that enters from one side of the finger and exits the other while rising upward in the middle is a(n) _________________
Arch
In fingerprints, ridge characteristics are also known as ________________
Minutia
Area found near the center of some fingerprint patterns is the ______________
Core
Determine the primary identification number for the following patterns. (Left being the top right being the bottom)
Right index ……….Right thumb
whorl…………………Loop
Right ring ………….Right middle
Arch………………….. Arch
Left thumb………..Right little
loop…………………..whorl
Left Middle……….Left index
loop…………………. whorl
Left Little…………..Left ring
whorl………………..arch
Whorl- 18/7
Loop- 7/17
Arch- 9/10
Fill in the blanks
The three basic fingerprint patterns are _________, ___________, and ___________.
Loop
Whorl
Arch
