IAI Latent Print Certification Test UPDATED ACTUAL Questions and CORRECT Answers
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Course
IAI Latent Print Certification
Institution
IAI Latent Print Certification
IAI Latent Print Certification Test
UPDATED ACTUAL Questions and
CORRECT Answers
What sequence of latent print development techniques are used to develop prints from porous
materials? - CORRECT ANSWER- DFO, Ninhydrin, Physical Developer
The final purple coloured compound usually produced wit...
IAI Latent Print Certification Test
UPDATED ACTUAL Questions and
CORRECT Answers
What sequence of latent print development techniques are used to develop prints from porous
materials? - CORRECT ANSWER✔✔- DFO, Ninhydrin, Physical Developer
The final purple coloured compound usually produced with the treatment of Ninhydrin -
CORRECT ANSWER✔✔- Ruhemann's Purple
What latent print development technique is used to process nonporous materials that are wet?
- CORRECT ANSWER✔✔- Small Particle Reagent
A dye which stains protein present in blood to give a blue-black product - CORRECT
ANSWER✔✔- Amido Black
The following types of fingerprints will fluoresce under appropriate illumination -
CORRECT ANSWER✔✔- 1. 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 -
CORRECT ANSWER✔✔- Fluorescence 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... -
CORRECT ANSWER✔✔- Adhesive surface of adhesive tapes
Alternative process names for Gentian Violet - CORRECT ANSWER✔✔- 1. Crystal Violet
2. Methyl Violet
Alternative process name for Amido Black - CORRECT ANSWER✔✔- Naphthalene Black
,Iodine vapour is physically absorbed by latent fingerprint deposits and often fades unless
fixed. What color image is formed using iodine vapour? - CORRECT ANSWER✔✔- Brown
Gentian Violet can interfere with the forensic examination for: - CORRECT ANSWER✔✔-
1. 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? - CORRECT ANSWER✔✔-
Amino Acids
How long does it generally take for Ninhydrin treated prints to naturally, fully develop -
CORRECT ANSWER✔✔- Several weeks
The development of Ninhydrin treated prints may be accelerated with the use of? -
CORRECT ANSWER✔✔- Heating and Humidification
Ninhydrin which uses a Freon solvent virtually eliminates the following problem when
processing porous materials for latent prints? - CORRECT ANSWER✔✔- Ink running
Ninhydrin may be applied using what methods? - CORRECT ANSWER✔✔- 1. Dipping
2. Brushing
3. Spraying
Physical Developer (PD) is what kind of aqueous reagent? - CORRECT ANSWER✔✔-
Silver-based
Physical Developer reacts with components of sebaceous sweat to form what colored
deposit? - CORRECT ANSWER✔✔- Grey-silver
, Physical Developer is a very effective reagent for developing latent fingerprints on paper
which has been: - CORRECT ANSWER✔✔- Wetted
These flake powders have been shown to be more sensitive than most other types of powders
- CORRECT ANSWER✔✔- Aluminum
Which latent print development technique was replaced by the Ninhydrin/Physical Developer
combination for treating porous materials for latent prints? - CORRECT ANSWER✔✔-
Silver Nitrate
Silver Nitrate reacts with what component present in fingerprint deposits? - CORRECT
ANSWER✔✔- Chlorides
Small Particel Reagent (SPR) is a latent print development technique that may be used on all
non-porous surfaces including those which are ... - CORRECT ANSWER✔✔- Wet
What does Small Particle Reagent adheres to in the fingerprint deposit? - CORRECT
ANSWER✔✔- Fats
Small Particle Reagent is comprised of what fine particles? - CORRECT ANSWER✔✔-
Molybdenum Disulphide
Small Particle Reagent forms what color deposit? - CORRECT ANSWER✔✔- Grey, 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 - CORRECT
ANSWER✔✔- Sudan Black
An alternative process name for superglue - CORRECT ANSWER✔✔- Cyanoacrylate
Superglue polymersises on some latent fingerprints to produce what colored deposit? -
CORRECT ANSWER✔✔- White
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