Unit 1 - fingerprints Flashcards
1
Q
Most common fingerprint
A
Loop
2
Q
Least common fingerprint
A
Arch
3
Q
1 core and 1 delta
A
Loop
4
Q
No cores or delta
A
Arch
5
Q
Can have 2 deltas and 2 cores
A
Whorl
6
Q
Fingerprints are made mostly of
A
Water and oil
7
Q
Reacts with amino acids and turns purple
A
Ninhydrin
8
Q
The oils in the print absorb vapors and turns brown
A
Iodine fuming
9
Q
The vapors react with water, turn white
A
Superglue
10
Q
Turns black
A
Dusting
11
Q
Nonporous only (glass, metal)
A
Dusting
12
Q
Porous only (paper)
A
Ninhydrin, iodine fuming
13
Q
All surfaces
A
Superglue
