IAI CERTIFICATION EXAM 2025 WITH GUARANTEED ACCURATE ANSWERS |
VERIFIED
DFO, Ninhydrin, Physical Developer - ACCURATE ANSWERS✔✔
What sequence of latent print development techniques are used to
develop prints from porous materials?
Ruhemann's Purple - ACCURATE ANSWERS✔✔ The final purple
coloured compound usually produced with the treatment of Ninhydrin
Small Particle Reagant - ACCURATE ANSWERS✔✔ What latent print
development technique is used to process nonporous material that are
wet?
Amino Black - ACCURATE ANSWERS✔✔ A dye which stains protein
present in blood to give a blue-black product
,Natural latent fingerprints and fingerprints contaminated from the
environment - ACCURATE ANSWERS✔✔ The following types of
fingerprints will fluoresce under appropriate illumination
Fluorescence Examination - ACCURATE ANSWERS✔✔ One of the
first processes used in a sequence of a fingerprint examination
Adhesive surface of adhesive tapes - ACCURATE ANSWERS✔✔
Gentian Violet is a dye which stains fatty constituents of sebaceous
sweat producing an intense purple image. It is effective for the
development of what kind of prints?
Naphthalene Black - ACCURATE ANSWERS✔✔ Alternative process
name for Amido Black
Brown - ACCURATE ANSWERS✔✔ Iodine vapour is physically
absorbed by latent fingerprint deposits and often fades unless fixed.
What color image is formed using iodine vapour?
Gentian Violet - ACCURATE ANSWERS✔✔ What can interfere with
the forensic examination for handwriting, body fluids, and ink?
Amino acids - ACCURATE ANSWERS✔✔ Ninhydrin is a general
purpose fingerprint reagent for paper and some other porous surfaces.
What component of a fingerprint deposit does it react with?
,Several weeks - ACCURATE ANSWERS✔✔ How long does it
generally take for Ninhydrin treated prints to fully develop naturally?
Heating and humidification - ACCURATE ANSWERS✔✔ The
development of Ninhydrin treated prints may be accelerated with the use
of:
Ink running - ACCURATE ANSWERS✔✔ Ninhydrin which uses a
Freon solvent virtually eliminates the following problem when
processing porous materials for latent prints
Ninhydrin - ACCURATE ANSWERS✔✔ What is applied using the
method of dipping, brushing, swabbing or spraying?
silver-based - ACCURATE ANSWERS✔✔ Physical developer (PD) is
what kind of aqueous reagent?
Grey-silver - ACCURATE ANSWERS✔✔ Physical developer reacts
with components of sebaceous sweat to form what colored deposit?
Wetted - ACCURATE ANSWERS✔✔ Physical developer is a very
effective reagent for developing latent fingerprints on paper which has
been?
, Aluminum - ACCURATE ANSWERS✔✔ These flake powders have
been shown to be more sensitive than most types of powders
Silver Nitrate - ACCURATE ANSWERS✔✔ Which latent print
development technique was replaced by the Ninhydrin/Physical
Developer combination for treating porous materials
Chlorides - ACCURATE ANSWERS✔✔ Silver Nitrate reacts with what
component present in fingerprint deposits
wet - ACCURATE ANSWERS✔✔ Small particle reagent (SPR) is a
latent print development technique that may be used on all non-porous
surfaces including those which are
Fats - ACCURATE ANSWERS✔✔ What does Small Particle Reagent
adhere to in the fingerprint deposit?
Molybdenum Disulphide - ACCURATE ANSWERS✔✔ Small Particle
Reagent is comprised of what fine particles?
Grey - ACCURATE ANSWERS✔✔ Small Particle Reagent forms what
color deposit?
Sudan Black - ACCURATE ANSWERS✔✔ The best latent print
development technique for use on non-porous surfaces which are
contaminated with grease, foodstuffs, or dried deposits of soft drinks