fingerprints pt 1

Question 1

anthropometry

Answer 1

alphonse bratillion; measurements of body (head, height, length of let foot)

Question 2

dermal papille

Answer 2

area where fingerprint lay

Question 3

latent fingerprint

Answer 3

fingerprint placed there by oils on hand

Question 4

minutiae

Answer 4

another word for ridge characteristics

Question 5

friction skin ridge

Answer 5

prevent slipping and grip objects; found on the palm side of fingers

Question 6

primary classification

Answer 6

current system used for fingerprint ID

Question 7

Fauld

Answer 7

original person to suggest fingerprint ID

Question 8

Galton

Answer 8

proposed fingerprint t typing to Scottland Yard

Question 9

first fundamental principle

Answer 9

no two fingerprints are alike

Question 10

second fundamental principle

Answer 10

remains unchanged

Question 11

third fundamental principle

Answer 11

gen. ridge patterns that define them; loop, arch, whorl

Question 12

loop

Answer 12

60-65%; ulnar and radial; one delta; core in center

Question 13

whorl

Answer 13

30-35%; plain- line touching all, central- line only touch in center, double- ying yang, accidental- least common; two deltas

Question 14

arches

Answer 14

5%; plain- enter one side exit another(wave like), tented- sharp spike in ridges at center; no delta

Question 15

how are ridge characteristic used to identify fingerprints

Answer 15

location, number, identity

Question 16

when do fingerprints develop

Answer 16

10-11 weeks in utero

Question 17

1/1

Answer 17

no whorls

Question 18

how many ridge characteristics are on one fingerprint

Answer 18

150

Question 19

first person convicted with a fingerprint

Answer 19

1911; Thomas Jennings

Question 20

how many groups of fingerprints

Answer 20

1024

Question 21

plastic fingerprint

Answer 21

a print in something soft like clay or soap

Question 22

visible print

Answer 22

a print in blood or something liquid

Question 23

porous surfaces

Answer 23

surfaces that would absorb something; use chemical methods to uncover them

Question 24

non porous

Answer 24

a solid surface; use powder

Question 25

powder colors

Answer 25

dark for light surfaces and visa versa; florescent prints show better in pics

Question 26

iodine fuming

Answer 26

place in an inclosed area with iodine crystals and heat, when chamber fills with vapors they combined with the latent print to make it visible

Question 27

nihydrin

Answer 27

reacts with amino acids and turns fingerprint blue/purple

Question 28

physical developer

Answer 28

silver-nitrate based; use last (whites away all other evidence)

Question 29

super glue fuming

Answer 29

used on porous surfaces

Question 30

how are fingerprints preserved

Answer 30

photograph

Question 31

digital imaging

Answer 31

enhances fingerprint