IAI Latent Print Certification Test questions with verified
answers
"Imbrication" is a feature where friction ridges all tend to Ans✓✓✓ Lean in the
same direction
"Palmar flexion crease identification is established through the agreement of
flexion creases in sequence having sufficient uniqueness to individualize"
Ans✓✓✓ This is a simple phrase to describe the philosophy of palmar flexion
crease
"Red flags" are deposition or pressure distortion indicators that: Ans✓✓✓ are
warnings and warrant careful analysis
"Tragedy of Pudd'n head Wilson" explains permanence and uniqueness of friction
ridge skin Ans✓✓✓ Samuel Langhorne Clemens AKA Mark Twain
(1911) is considered to be the first conviction obtained with fingerprint evidence
alone in the United States Ans✓✓✓ People vs. Crispi
1902 by Dr. Henry P. de Forest of the New York Civil Service Commission. He
established the practice of fingerprinting civil service applicants in order to
prevent imposters from taking test for otherwise unqualified people. Ans✓✓✓
First systematic use of fingerprints in the United States
A chart will present a clearer, neater, and more pleasing appearance if it is
numbered: Ans✓✓✓ Clockwise and the numbered are evenly spaced
,A delta may be Ans✓✓✓ 1. dot
2. bifurcation
3. an abrupt ending ridge
A dye which stains protein present in blood to give a blue-black product Ans✓✓✓
Amido Black
A film which has an ASA film speed rating of 200 is ______ as fast as one with a
rating of 50. Ans✓✓✓ 4 Times
A fingerprint classification with all whorls Ans✓✓✓ 32/32
A fingerprint classification without whorls Ans✓✓✓ 1/1
A fuming cabinet is an environmental control chamber in which an object is
exposed to high concentrations of fumes from a particular substance. The
following latent print development techniques should always be used inside a
fuming cabinet: Ans✓✓✓ 1. Physical Developer
2. Ninhydring
3. Superglue
A group or synthetic and natural chemical compounds known as __________ may
be used as fingerprint powders Ans✓✓✓ Phosphors
A latent print itself is not removable from a surface by the lifting process. The oils
and moisture simply hold powder grains, which are in turn picked up by the
,adhesive tape. A powder and not the latent image is lifted. Ans✓✓✓ If the
process is repeated, each lift becomes progressively weaker.
A photographic film exposure consists of four basic variables: Ans✓✓✓ 1. Subject
light
2. Camera lens aperture setting
3. Camera shutter speed setting
4. Speed of the selected film
A photographic process that is based on the formation of silver and a
ferrous/ferric redox couple and the deposition of metal salts onto a fingerprint
image Ans✓✓✓ Physical Developer
A professor at the University of Bologna, Italy, this person published the results of
this examination of friction ridge skin with the newly invented microscope:
Ans✓✓✓ Nehemiah Grew
A ridge break may be cause by: Ans✓✓✓ 1. a dip in the ridge at a pore opening
2. a failure in deposition of matrix
3. dirt
A satisfactory clearing solution for both Ninhydrin and Silver Nitrate stains is:
Ans✓✓✓ Ordinary household bleach, Clorox
A secretion of the sebaceous glands Ans✓✓✓ Sebum
, A tenprint card with a primary classification of 32/32 means that all of the prints
are: Ans✓✓✓ Whorls
About 35% of all fingerprint patterns are: Ans✓✓✓ Whorls
About 5% of all fingerprint patterns are: Ans✓✓✓ Arches
About 60% of all fingerprint patterns are: Ans✓✓✓ Loops
ACE-V stands for: Ans✓✓✓ Analysis, Comparison, Evaluation, Verification
Alternative process name for Amido Black Ans✓✓✓ Naphthalene Black
Alternative process names for Gentian Violet Ans✓✓✓ 1. Crystal Violet
2. Methyl Violet
Although this cannot be considered a practical latent fingerprint technique, a
number of arson cases have been solved as a result of latent prints developed by:
Ans✓✓✓ Heat
An alternative name for "1,8-diazafluoren-9-one" Ans✓✓✓ DFO
An alternative process name for superglue Ans✓✓✓ Cyanoacrylate
Another name for a triradius in most classification systems Ans✓✓✓ Delta
answers
"Imbrication" is a feature where friction ridges all tend to Ans✓✓✓ Lean in the
same direction
"Palmar flexion crease identification is established through the agreement of
flexion creases in sequence having sufficient uniqueness to individualize"
Ans✓✓✓ This is a simple phrase to describe the philosophy of palmar flexion
crease
"Red flags" are deposition or pressure distortion indicators that: Ans✓✓✓ are
warnings and warrant careful analysis
"Tragedy of Pudd'n head Wilson" explains permanence and uniqueness of friction
ridge skin Ans✓✓✓ Samuel Langhorne Clemens AKA Mark Twain
(1911) is considered to be the first conviction obtained with fingerprint evidence
alone in the United States Ans✓✓✓ People vs. Crispi
1902 by Dr. Henry P. de Forest of the New York Civil Service Commission. He
established the practice of fingerprinting civil service applicants in order to
prevent imposters from taking test for otherwise unqualified people. Ans✓✓✓
First systematic use of fingerprints in the United States
A chart will present a clearer, neater, and more pleasing appearance if it is
numbered: Ans✓✓✓ Clockwise and the numbered are evenly spaced
,A delta may be Ans✓✓✓ 1. dot
2. bifurcation
3. an abrupt ending ridge
A dye which stains protein present in blood to give a blue-black product Ans✓✓✓
Amido Black
A film which has an ASA film speed rating of 200 is ______ as fast as one with a
rating of 50. Ans✓✓✓ 4 Times
A fingerprint classification with all whorls Ans✓✓✓ 32/32
A fingerprint classification without whorls Ans✓✓✓ 1/1
A fuming cabinet is an environmental control chamber in which an object is
exposed to high concentrations of fumes from a particular substance. The
following latent print development techniques should always be used inside a
fuming cabinet: Ans✓✓✓ 1. Physical Developer
2. Ninhydring
3. Superglue
A group or synthetic and natural chemical compounds known as __________ may
be used as fingerprint powders Ans✓✓✓ Phosphors
A latent print itself is not removable from a surface by the lifting process. The oils
and moisture simply hold powder grains, which are in turn picked up by the
,adhesive tape. A powder and not the latent image is lifted. Ans✓✓✓ If the
process is repeated, each lift becomes progressively weaker.
A photographic film exposure consists of four basic variables: Ans✓✓✓ 1. Subject
light
2. Camera lens aperture setting
3. Camera shutter speed setting
4. Speed of the selected film
A photographic process that is based on the formation of silver and a
ferrous/ferric redox couple and the deposition of metal salts onto a fingerprint
image Ans✓✓✓ Physical Developer
A professor at the University of Bologna, Italy, this person published the results of
this examination of friction ridge skin with the newly invented microscope:
Ans✓✓✓ Nehemiah Grew
A ridge break may be cause by: Ans✓✓✓ 1. a dip in the ridge at a pore opening
2. a failure in deposition of matrix
3. dirt
A satisfactory clearing solution for both Ninhydrin and Silver Nitrate stains is:
Ans✓✓✓ Ordinary household bleach, Clorox
A secretion of the sebaceous glands Ans✓✓✓ Sebum
, A tenprint card with a primary classification of 32/32 means that all of the prints
are: Ans✓✓✓ Whorls
About 35% of all fingerprint patterns are: Ans✓✓✓ Whorls
About 5% of all fingerprint patterns are: Ans✓✓✓ Arches
About 60% of all fingerprint patterns are: Ans✓✓✓ Loops
ACE-V stands for: Ans✓✓✓ Analysis, Comparison, Evaluation, Verification
Alternative process name for Amido Black Ans✓✓✓ Naphthalene Black
Alternative process names for Gentian Violet Ans✓✓✓ 1. Crystal Violet
2. Methyl Violet
Although this cannot be considered a practical latent fingerprint technique, a
number of arson cases have been solved as a result of latent prints developed by:
Ans✓✓✓ Heat
An alternative name for "1,8-diazafluoren-9-one" Ans✓✓✓ DFO
An alternative process name for superglue Ans✓✓✓ Cyanoacrylate
Another name for a triradius in most classification systems Ans✓✓✓ Delta
