IAI Latent Print Certification Test
What sequence of latent print development techniques are used to develop prints from
porous materials? – answer DFO, Ninhydrin, Physical Developer
The final purple coloured compound usually produced with the treatment of Ninhydrin –
answer Ruhemann's Purple
What latent print development technique is used to process nonporous materials that
are wet? - answerSmall Particle Reagent
A dye which stains protein present in blood to give a blue-black product - answerAmido
Black
The following types of fingerprints will fluoresce under appropriate illumination -
answer1. Natural latent fingerprints
2. Some types of contamination arising from the environment and subsequently
deposited in fingerprints
May be one of the first processes used in a sequence of a fingerprint examination -
answerFluorescence examination
Gentian violet is a dye which stains fatty constituents of sebaceous sweat producing an
intense purple image. It is very effective for the development of latent fingerprints on... -
answerAdhesive surface of adhesive tapes
Alternative process names for Gentian Violet - answer1. Crystal Violet
2. Methyl Violet
Alternative process name for Amido Black - answerNaphthalene Black
Iodine vapour is physically absorbed by latent fingerprint deposits and often fades
unless fixed. What color image is formed using iodine vapour? - answerBrown
Gentian Violet can interfere with the forensic examination for: - answer1. Handwriting
2. Body fluids
3. Ink
Ninhydrin is a general purpose fingerprint reagent for paper and some other porous
surfaces. What component of a fingerprint deposit does it react with? - answerAmino
Acids
,How long does it generally take for Ninhydrin treated prints to naturally, fully develop -
answerSeveral weeks
The development of Ninhydrin treated prints may be accelerated with the use of? -
answerHeating and Humidification
Ninhydrin which uses a Freon solvent virtually eliminates the following problem when
processing porous materials for latent prints? - answerInk running
Ninhydrin may be applied using what methods? - answer1. Dipping
2. Brushing
3. Spraying
Physical Developer (PD) is what kind of aqueous reagent? - answerSilver-based
Physical Developer reacts with components of sebaceous sweat to form what colored
deposit? - answerGrey-silver
Physical Developer is a very effective reagent for developing latent fingerprints on paper
which has been: - answerWetted
These flake powders have been shown to be more sensitive than most other types of
powders - answerAluminum
Which latent print development technique was replaced by the Ninhydrin/Physical
Developer combination for treating porous materials for latent prints? - answerSilver
Nitrate
Silver Nitrate reacts with what component present in fingerprint deposits? -
answerChlorides
Small Particel Reagent (SPR) is a latent print development technique that may be used
on all non-porous surfaces including those which are ... - answerWet
What does Small Particle Reagent adheres to in the fingerprint deposit? - answerFats
Small Particle Reagent is comprised of what fine particles? - answerMolybdenum
Disulphide
Small Particle Reagent forms what color deposit? - answerGrey, also white and black
The best latent print development technique for use on non-porous surfaces which are
contaminated with grease, foodstuffs, or dried deposits of soft drinks - answerSudan
Black
An alternative process name for superglue - answerCyanoacrylate
, Superglue polymersises on some latent fingerprints to produce what colored deposit? -
answerWhite
Superglue is thought to react primarily with what component in the latent print deposit? -
answerWater
Superglue is most suitable for what kinds of surfaces? - answerNon-porous
Vacuum Metal Deposition utilizes vacuum-coating technology for the evaporation of
metals and the deposition of thin metal films. Thin layers of what metal are used for this
process? - answerGold and Zinc
Vacuum Metal Deposition is particularly suitable for what surfaces? - answerPolythene
plastic
Employed in the Central Police Department, La Plata, Argentina and installed the
French Bertillon Anthropometric Identification System - answerVucetich
In 1893 operated office that solved the Rojas murder by use of fingerprints -
answerVucetich
A fingerprint classification without whorls - answer1/1
A fingerprint classification with all whorls - answer32/32
The initial suggestion associating the identification of fingerprints found at crime scenes
with finger impressions in a collection is credited to: - answerDr. Henry Faulds
Credited for his practical interest in fingerprints in India as a means of identifying
workers to ensure that payment of wages was not duplicated: - answerSir Edward
Henry
The first person to confirm ridge permanency - answerSir William Herschel
This person is known as the "Father of Canadian Fingerprinting" - answerEdward Foster
The first American fingerprint lecturer - answerMary Holland
The use of magnetic fingerprint powder was first reported by - answerH. MacDonald
Iodine is applied by: - answer1. Fuming Gun Method
2. Fuming Cabinet Method
3. Solution Method
What sequence of latent print development techniques are used to develop prints from
porous materials? – answer DFO, Ninhydrin, Physical Developer
The final purple coloured compound usually produced with the treatment of Ninhydrin –
answer Ruhemann's Purple
What latent print development technique is used to process nonporous materials that
are wet? - answerSmall Particle Reagent
A dye which stains protein present in blood to give a blue-black product - answerAmido
Black
The following types of fingerprints will fluoresce under appropriate illumination -
answer1. Natural latent fingerprints
2. Some types of contamination arising from the environment and subsequently
deposited in fingerprints
May be one of the first processes used in a sequence of a fingerprint examination -
answerFluorescence examination
Gentian violet is a dye which stains fatty constituents of sebaceous sweat producing an
intense purple image. It is very effective for the development of latent fingerprints on... -
answerAdhesive surface of adhesive tapes
Alternative process names for Gentian Violet - answer1. Crystal Violet
2. Methyl Violet
Alternative process name for Amido Black - answerNaphthalene Black
Iodine vapour is physically absorbed by latent fingerprint deposits and often fades
unless fixed. What color image is formed using iodine vapour? - answerBrown
Gentian Violet can interfere with the forensic examination for: - answer1. Handwriting
2. Body fluids
3. Ink
Ninhydrin is a general purpose fingerprint reagent for paper and some other porous
surfaces. What component of a fingerprint deposit does it react with? - answerAmino
Acids
,How long does it generally take for Ninhydrin treated prints to naturally, fully develop -
answerSeveral weeks
The development of Ninhydrin treated prints may be accelerated with the use of? -
answerHeating and Humidification
Ninhydrin which uses a Freon solvent virtually eliminates the following problem when
processing porous materials for latent prints? - answerInk running
Ninhydrin may be applied using what methods? - answer1. Dipping
2. Brushing
3. Spraying
Physical Developer (PD) is what kind of aqueous reagent? - answerSilver-based
Physical Developer reacts with components of sebaceous sweat to form what colored
deposit? - answerGrey-silver
Physical Developer is a very effective reagent for developing latent fingerprints on paper
which has been: - answerWetted
These flake powders have been shown to be more sensitive than most other types of
powders - answerAluminum
Which latent print development technique was replaced by the Ninhydrin/Physical
Developer combination for treating porous materials for latent prints? - answerSilver
Nitrate
Silver Nitrate reacts with what component present in fingerprint deposits? -
answerChlorides
Small Particel Reagent (SPR) is a latent print development technique that may be used
on all non-porous surfaces including those which are ... - answerWet
What does Small Particle Reagent adheres to in the fingerprint deposit? - answerFats
Small Particle Reagent is comprised of what fine particles? - answerMolybdenum
Disulphide
Small Particle Reagent forms what color deposit? - answerGrey, also white and black
The best latent print development technique for use on non-porous surfaces which are
contaminated with grease, foodstuffs, or dried deposits of soft drinks - answerSudan
Black
An alternative process name for superglue - answerCyanoacrylate
, Superglue polymersises on some latent fingerprints to produce what colored deposit? -
answerWhite
Superglue is thought to react primarily with what component in the latent print deposit? -
answerWater
Superglue is most suitable for what kinds of surfaces? - answerNon-porous
Vacuum Metal Deposition utilizes vacuum-coating technology for the evaporation of
metals and the deposition of thin metal films. Thin layers of what metal are used for this
process? - answerGold and Zinc
Vacuum Metal Deposition is particularly suitable for what surfaces? - answerPolythene
plastic
Employed in the Central Police Department, La Plata, Argentina and installed the
French Bertillon Anthropometric Identification System - answerVucetich
In 1893 operated office that solved the Rojas murder by use of fingerprints -
answerVucetich
A fingerprint classification without whorls - answer1/1
A fingerprint classification with all whorls - answer32/32
The initial suggestion associating the identification of fingerprints found at crime scenes
with finger impressions in a collection is credited to: - answerDr. Henry Faulds
Credited for his practical interest in fingerprints in India as a means of identifying
workers to ensure that payment of wages was not duplicated: - answerSir Edward
Henry
The first person to confirm ridge permanency - answerSir William Herschel
This person is known as the "Father of Canadian Fingerprinting" - answerEdward Foster
The first American fingerprint lecturer - answerMary Holland
The use of magnetic fingerprint powder was first reported by - answerH. MacDonald
Iodine is applied by: - answer1. Fuming Gun Method
2. Fuming Cabinet Method
3. Solution Method
