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WorksheetsForensic Science Quiz
Total questions: 140
Worksheet time: 1hrs 10mins
It is a laboratory technique used to establish a link between biological evidence and a suspect in a criminal investigation. A DNA sample taken from a crime scene is compared with a DNA sample from a suspect.
DNA Fingerprinting
Dactyloscopy
Odontology
Palm Printing
A part of the whorl or loop where the cores, deltas and ridges appear.
type line
bifurcation
pattern area
furrow
How many standard fingerprint patterns are there?
Three
Eight
Two
Nine
If the number of intervening lines is below three then this would have been?
Inner tracing
Outer tracing
Ring inner tracing
Meet tracing
The core and delta are also termed as ?
Inner Terminus
Outer Terminus
Focal Point
Pattern Area
This is a canal-like impression or depression found between the ridges.
Friction skin
Ridge surface
Ridges
Furrows
This refers to the study of fingerprints for the purpose of identification.
Dactyloscopy
Dactylography
Podoscopy
Poroscopy
What is the science of palm print identification?
Chiroscopy
Poroscopy
Podoscopy
Astrology
A 32 over 32 would indicate all patterns in primary classification.
whorl
loop
tented arch
radial
A forensic chemist is tasked to examine the chemical nature and composition of the following EXCEPT:
fingerprint
explosives
blood
body fluids
A Dogmatic Principle which postulates that the fingerprint cannot be forged.
Principle of individuality
Principle of constancy/permanency
Principle of infallibility
All of these
A fingerprint pattern in which the ridges form a sequence of spirals around core axes.
whorl
double loop
central pocket loop
accidental
A kind of fingerprint which is found on soft and sticky objects such as wax and tape?
Visible print
Semi-visible print
Invisible print
All of these
Fingerprints left on various surfaces at the crime scene which are not clearly visible.
Plane impressions
Visible fingerprints
Rolled impressions
Latent fingerprints
In an accidental whorl type of pattern, what pattern is not included in the combination?
Ulnar Loop
Plain Whorl
Tented Arch
Plain Arch
In the distribution of percentage in the fingerprint pattern, 35% is being represented by what group?
Loop
Whorl
Arch
Radial Loop
Does that appear as a tiny black line with white dots (called pores) in an inked finger impression?
sweat pores
furrows
ridges
sweat duct
It refers to all fingerprints left at the crime scene including those left accidentally or unconsciously.
Chance Impressions
Latent Prints
Smudge Prints
Fragmentary Prints
The innermost ridges run parallel and surrounded to the pattern area are known as .
type lines
criss-crossing ridges
long ridges
ridgeology
The introduction of Automated Fingerprint Identification System (AFIS) technology began due to the massive number of fingerprint cards manually processed by the FBI.
1903
1924
1946
1908
What are the depressed portions or canal structure of the friction skin found between ridges?
Pores
Indentions
Furrows
Duct
What are those that are sometimes referred to as papillary or epidermal ridges?
Latent ridges
Dermal ridges
Friction ridges
Fingerprints
What fingers are rolled towards the body in taking a rolled impression?
both little finger
both thumb finger
all fingers except thumb
both index finger
What is the type of a pattern in which the looping or slanting ridges flow towards the little finger?
Loop
Radial Loop
Ulnar Loop
Tented Arch
What type of a pattern possesses an angle, an upthrust, or two of the three basic characteristics of the loop?
Plain Arch
Tented Arch
Accidental Whorl
Ulnar Loop
When a ridge bifurcates, sending two ridges across the imaginary line, how is it counted?
One
Two
Three
Six
Located along the undersides of the fingers, palms, toes, and soles appear corrugated skin structure known to the biologist as
friction skin
handprints
fingerprints
volar skin
Located along the undersides of the fingers, palms, toes, and soles appear corrugated skin structure known to the fingerprint examiner as
friction skin
handprints
fingerprints
volar skin
In 1905, the Stratton brothers were convicted after they were charged with murdering a Farrow couple. This accomplishment was a work of?
Henry
Vucetich
Faulds
Herschel
He first used fingerprints on native contracts in Hooghly district in Jangipur, India.
John Evangelist Purkinje
Dr. Henry Faulds
Marcello Malpighi
Sir William Herschel
It is said that the fingerprints of a person will be carried from the womb to the tomb. What principle greatly describes the phrase?
the principle of individuality
principle of permanency
principle of infallibility
all of these
The first conviction in the Philippine Case which gives recognition to the science of fingerprint?
People Vs. Medina
People Vs. Jennings
Miranda Vs. Arizona
West Case
Ridge forms in the person’s fingers and feet during its infants stage which usually starts:
3rd to 4th months of the fetus life
4th to 5th months of the fetus life
5th to 6th months of the fetus life
5th to 6th months after birth
The following are considerations used for the identification of a loop except one:
a delta
a core
a sufficient recurve
a ridge count across a looping bridge
What is the rule when there is a choice between a bifurcation and other type of delta found in the fingerprint?
Bifurcation is selected
the other type of delta is selected
Bifurcation is disregarded
the one towards the core is selected
Damage in the friction skin can be temporary or permanent. Such permanency in the damage may cause scar or termed as?
Bent or crippled fingers
Cicatriz
missing fingers at birth
Amputated fingers
It is placed just to the left of the primary in the classification formula. Where whorls appear in the thumbs following the whorl tracings sub secondary classification.
subsecondary
major division
key
final
What type of pattern is that which could be found on the lower box of the fingerprint card having a delta and core with a recurving ridge flowing towards the no. 6 fingers?
Ulnar loop
Radial loop
Loop
arches
Which of the following best describes a loop pattern?
1 sufficient recurving ridge
has a bifurcation as the delta
1 core at the point of divergence
all of these
All BUT one, are the elements of a whorl pattern?
Usually possessing a circular formation at the center
Several patterns may be present
It may bear 2 or more deltas
none of these
The Chief Magistrate of the Hooghly District in India, first used fingerprints on contracts with the natives. He is also known as the father of Chiroscopy.
JCA Mayer
John Purkinje
Herman Welcker
Sir William Herschel
Who discovered the two main layers of the friction skin (Epidermis and Dermis) and to whom one of the thin layers of the friction skin was named.
Herman Welcker
Marcelo Malpighe
Nehemiah Grews
Dr. Henry Faulds
If the same digits of both hands are missing, the impressions are held to be .
Plain whorl on meeting
Dependents on ridges tracing
Loops
dependents on the classification of the print of the finger
A person committing a crime would always leave something behind and may be considered as an integral part in the identification of the suspect especially if it is a “Latent Print”. This prints are made through the;
Ridge of the skin
Furrows of the skin
Ridge formation
Perspiration on top of the finger
Fingerprints help to positively identify people because of the principle that:
its pattern reveals racial origin
they are available in most places
no two persons have identical fingerprints
it can be lifted at the crime scene
What type of a pattern consists of two or more deltas, one or more ridge forming a complete circuit and when an imaginary line is drawn from left delta to right delta it touches or crosses the circuiting ridge/s considered as the most common type of whorl?
Plain Whorl
Central Pocket Loop Whorl
Double Loop Whorl
Accidental Whorl
What system of identification used earlier than the fingerprint system, and is made by measuring various bony structures of the human body developed by Alphonse Bertillion?
Portrait Parle
Tattoo
Anthropometry
Photography
What fingerprint pattern has slope or downward flow of the innermost sufficient recurve towards the thumb of the radius bone of the hand of origin.
ulnar loop
tented arch
accidental whorl
radial loop
What basic principle is involved in personal Identification which states that the greater the number of similarity or difference the greater the probability for the identity or non identity to be conclusive?
Law of individuality
Law of multiplicity of evidence
Law of infallibility
Law of constancy
Symbolized by letter W in the fingerprint classification, this fingerprint pattern have two deltas in which at least one ridge makes a turn through one complete circuit.
Plain whorl
Central pocket loop whorl
Accidental loop
Ulnar loop
Which part of a camera is used in focusing the light from the subject?
light tight box
view finder
lens
shutter
The circular “dome-like” image –
spherical aberration
curvature of field
chromatic aberration
coma
The simplest camera is a , which consists of a box with a small hole in one of its sides.
Camera obscura
Pinhole camera
Daguerre type camera
Fixed focus camera
What type of camera is ideal for police photography?
View finder type
Single Lens Reflex
Digital Single Lens Reflex
Twin Reflex
What is referred to as the effective length of time a camera’s shutter is open?
DIAPHRAGM OPENING
SHUTTER
SHUTTER SPEED
EMULSION SPEED
Which of the following supports the entire unit of the enlarger, which usually holds the easel that carries the photographic paper?
BASEBOARD
FOCUSING MECHANISM
CONDENSER LENSES
ELEVATING CONTROL KNOB
It is the ability of an object to convert one wavelength to another as long as the active energy source is irradiating the object.
FLUORESCENCE
PHOSPHORESCENE
LUMINESCENE
INTERFERENCE
A type of a lens that would make an object to be exaggeratedly close to the photographer and is ideal in stakeout surveillance photography.
SHORT FOCUS LENS
NORMAL FOCUS LENS
TELEPHOTO LENS
WIDE ANGLE LENS
A distance at which lens of a camera is focused with a given particular diaphragm opening which will give the maximum depth of field is-
FOCAL DISTANCE
SUBJECT DISTANCE
HYPER FOCAL DISTANCE
FOCAL LENGTH
It is that part of the camera which controls the passage of light reaching the sensitized material? It compared to the eyelid of the human eye.
FOCUS
SHUTTER SPEED
APERTURE
LENS
Light rays from the subject on the lens axis passing through off-center areas of the lens focus at different distances from the light rays that pass directly through the center of the lens.
ASTIGMATISM
CHROMATIC ABERRATION
SPHERICAL ABERRATION
COMA
Lens aberration in which light of different wavelengths is focused at different distances behind the lens. It can be corrected by combining different types of glass lens.
ASTIGMATISM
CHROMATIC ABERRATION
SPHERICAL ABERRATION
COMA
In photography using microprism, the image on focus will usually shatter off an out of focus image and when it is exactly in focus the prisms seem to disappear. These microprisms are primarily found on:
LENS
FILTER
GROUND GLASS
VIEW FINDER
A type of camera in which the lens and shutter are mounted to the body by means of accordion-pleated bellows, which can be folded into the camera for ease of carrying.
A. accordion camera
ACCORDION CAMERA
FOLDING CAMERA
BELLOWED CAMERA
CAMERA OBSCURA
This results in star images near the outer edge of the viewing field seeming to have comet-style tails scattering radially away from its optical axis.
COMA
POSITIVE COMA
NEGATIVE COMA
ABERRATION
A device made of thin overlapping metal leaves within a lens or camera which can be adjusted to specific apertures of f-stops to control the amount of light that strikes the film.
SHUTTER
DIAPHRAGM
APERTURE
DIAPHRAGM OPENING
This effect causes images to be spherized, which means the edges of images look curved and bowed to the human eye.
PINCUSHION DISTORTION
SPHERICAL DISTORTION
BARREL DISTORTION
CURVATURE DISTORTION
To have a more sharp image flash exposure is encouraged and it can be computed. What if the guide number is 220 in a distance of 10 ft what will be the exact aperture?
F11
F5.6
F22
F8
Modern photographic papers are basically composed of a light sensitive coating on a paper base which is particularly suspended on what substance?
EMULSION
SILVER HALIDES
BROMIDE
GELATIN
The photographer in crime scene investigation has to get as many photographs as he can. The first shot that he should make just after reaching the crime scene is the house where the crime of murder was committed to one of its ten rooms. In getting the façade of the house, what lens should he utilize?
TELEPHOTO LENS
MACRO LENS
MICRO LENS
WIDE ANGLE LENS
When photographing the corpse in the scene, several pictures of the conditions at the time of discovery including the environment of the corpse must be taken from various photographic directions in order to:
Show whether there is any evidence of struggle and try to show what happen inside prior to the crime
Take close-up shots on the damaged area in two angles from distance of 8 to 10 feet
Photographs general view of the building, look into windows, and pathway
Show when photographing the general conditions as being deformed as a whole, photograph the damage parts and consider the range partly clearly
A black and white films possess several characteristics such as speed, spectral and granularity. The speed will be referring to the sensitivity of the film to light, granularity is the graininess and the spectral is the sensitivity to:
SPECTRUM
WAVELENGTH
ELECTROMAGNETIC
PARALLAX
In outdoor photography, there will be some instances that the presence of light is too much that produces a dilemma to the photographer. What do you think is the best way to do this?
FIND ANOTHER SUBJECT
USE A MCUH SMALLER LENS OPENING
USE A FLASH UNIT
MOVE THE SUBJECT INTO A WELL LIGHTED POSITION
Jane was taking a snapshot and expecting it to be sharp but an alteration happened to the expected image because it can be seen in two viewpoints. What is that phenomenon?
OUT OF FOCUS
PARALLAX
UNDEREXPOSURE
SPLIT IMAGE
In the modernization of photography, DSLR cameras almost dominated the market because of their great features that are very useful in commercial photo shoots. What does a DSLR mean?
DOUBLE SYSTEM REFLEX CAMERA
DUAL SINGLE REFLEX CAMERA
DIGITAL SYSTEM REFLEX CAMERA
DIGITAL SINGLE REFLEX CAMERA
Used for contact printing, the size of the positive print is the same as the size of the negative used. Sensitivity to light is low and gives blue-black tones when properly developed.
SILVER NITRATE
SILVER CHLORIDE
SILVER BROMIDE
SILVER CHLOROBROMIDE
Crime scene photographs should be taken in ways that should have meet the eye of an average observer, hence it should be:
ANGULARIZED
STRAIGHT-FORWARD
MAGNIFIED
GENERALIZED
When was the birth year of photography?
1939
1839
1793
1893
The combination of Blue and Green color of light which produced what secondary color of light?
MAGENTA
YELLOW
CYAN
ORANGE
It is referred to as the measure of distance between two (2) successive crest or through of wave and it is expressed in either Millimicron (Nanometer) or
FREQUENCY
VOLUME
LIGHT WAVELENGTH
AMPTITUDE
The following are purposes of hair examination, EXCEPT;
To determine whether the questioned hair originated from animal or human origin
To determine whether there was a contact between two or more individuals
To determine whether an individual caused a contact to an object in question
To determine the cause of death of the victim
It is a type of film according to spectral sensitivity wherein the film is sensitive to UV light up to the green light only.
BLUE-SENSITIVE FILM
ORTHOCHROMATIC
PANCHROMATIC
INFRARED
It is used in chemical analysis and in curing and hardening of different items for industrial purposes
LONG WAVE UV
MEDIUM WAVE UV
SHORT WAVE UV
ULTRAVIOLET RAYS
It is an artificial light described as containing wire filaments that connect them which sustains the electrical charge that combines them.
PHOTOFLOOD LIGHT
FLUORESCENT LAMP
INCANDESCENT LAMP
FLASH BULB
What refers to the film and photographic paper that is composed of emulsion containing silver halides and suspended in gelatin?
PHOTOPAPER
FILM
SILVER HALIDES
SENSITIZED MATERIAL
It is a part of the sensitized material which is designed to hold back the light and prevents halation.
ANTI-HALATION BACKING
BASE
COAT OF ANIMAL GELATIN
EMULSION
What is the timing of the camera shutter and the flash so that when the shutter is fully opened, that’s the time that the flash will yield its highest peaks of illumination called?
PANORAMA
FOCUS
EXPOSURE
SYNCHRONIZATION
Which of the following is TRUE about the shutter speed of the camera?
The faster the shutter speed, the more light it can transmit.
The shutter speed setting of ½ is slower than the shutter speed of 1/60.
The shutter speed setting of 1/250 is faster than the shutter speed of 1/500.
The slower the shutter speed, the less light it can transmit.
It is a stage of the chemical process in which it is being done to reduce the silver halides to form the image.
DEVELOPMENT
STOP BATH
FIXATION
DODGING
When one uses a photographic filter in taking a photograph, he is actually light rays or color from the light to reach the film.
ADDING
SUBTRACTING
MULTIPLYING
DIVIDING
It is the main fixing agent that dissolves unexposed silver halides.
ACETIC ACID
SODIUM SULFATE
POTASSIUM BROMIDE
SODIUM THIOSULFATE
What is the theory of light which opposes the wave stating that light has its effect by the very small particles such as electrons?
WAVE THEORY
CORPUSCULAR THEORY
MODIFIED WAVE THEORY
QUANTUM THEORY
What emulsion speed indicator is expressed in an arithmetic form?
ISO
ASA
DIN
GNP
It is the process of eliminating unwanted portions of the negative during the enlarging process.
CROPPING
VIGNETTING
DODGING
DYE TONNING
The distance of recognition in broad daylight of a person who is almost a stranger?
100 YARDS
16-17 YARDS
25 YARDS
10-13 YARDS
A type of shutter in which it opens from the center and is placed between the lens
SHUTTER RELEASE BUTTON
SHUTTER TRANSPORT LEVER
FOCAL PLANE SHUTTER
LEAF SHUTTER
What lens system of the camera reflects the light passing the lens and mirror making the image possible to be viewed from the viewfinder?
PENTAPRISM
MIRROR
PARALLAX
CONDENSER
Laser light is also referred to as ?
ULTRAVIOLET
COHERENT
VISIBLE
CONCURRENT
Digital Cameras at present has LCD which means .
LEAD CRYSTAL DISPLAY
LOW COLOR DEVICE
LAND CENTRAL DEVICE
LIQUID CRYSTAL DISPLAY
What is the correct sequence of sensitivity of the three emulsion layers of color film?
RED - GREEN - BLUE
BLUE - GREEN - RED
GREEN - BLUE - RED
RED - BLUE - GREEN
The condition of firing whereby the cartridge took several seconds before it discharges.
HANGFIRE
MISFIRE
KEY-HOLE SHOT
MUZZLE SHOT
The following conditions are NOT attributed to external ballistics, EXCEPT:
Firing pin hitting the primer.
Ignition of the priming mixture.
Energy generated at the muzzle point.
Rotation of the bullet inside the muzzle
A unit of the bore instrument in shot gun determined by the number of solid lead balls of the bore diameter obtainable to a pound lead.
CALIBER
GAUGE
RIFLING
BORE DIAMETER
It refers to the parabola-like flight of the projectile from the time it leaves the muzzle until it hits the target. It is also described as the actual curve path taken by a bullet during its.
MUZZLE BLAST
TRAJECTORY
AIR RESISTANCE
MUZZLE ENERGY
A fired bullet with six lands and grooves twisted to the right is fired from the barrel of a firearm with identical class characteristics as that of:
BROWNING
SMITH & WESSON
COLT
STEYER
Power of bullet that results in the instantaneous death of the victim.
SHOCKING POWER
STOPPING POWER
MUZZLE ENERGY
MUZZLE BLAST
An arbitrary index of the quickness that burning propellant changes into gas.
SUBLIMATION
KNOCKING RATE
BURNING RATE
ACTION
Is the curve taken by the bullet while in flight.
TRAJECTORY
DRIFT
RECOIL
JUMP
This is the farthest distance at which the bullet's path stays within the critical zone.
MAXIMUM RANGE
CONTACT RANGE
EFFECTIVE RANGE
ACCURATE RANGE
The bullet’s design provides the most braking from shape alone, is not jacketed, and used in low velocity handguns often for target practice.
ROUND NOSE
WADCUTTER
CONICAL
HOLLOW POINT
A field of forensic ballistics that includes the expert examination of firearms, bullets and shells that would determine whether or not a particular bullet is fired from a particular firearm, and whether or not a particular shell is loaded and ejected from the same firearm and it is conducted in a forensic laboratory. What phase of forensic ballistics best describes the statement?
FIELD INVESTIGATION
TECHNICAL INVESTIGATION
LEGAL PROCEDDINGS
COURT ROOM PRESENTATION
The first priming mixture was discovered by Alexander Forsyth, and it is composed originally of?
aPotassium Chlorate, Nitrogen and Sulfur
Potassium Nitrate, Nitrogen and Sulfur
Potassium Chlorate, Sulfur and Carbon
Potassium Chlorate, Nitrogen and Carbon
It controls the flight of projectiles fired from some smoothbore weapons and is used on most aerial bombs
FINS
TAIL
RIFLINGS
SPIN
Are meant for those characteristics which are being determined only after the firearm was already been manufactured and they are the product of machine imperfections and some later due to the used of the firearms
GROSS CHARACTERISTICS
INDIVIDUAL CHARACTERISTICS
CLASS CHARCTERISTICS
SPECIFIC CHARACTERISTICS
It refers to the measure of the distance advance by the rifling in order to make a complete turn inside the barrel
PITCH OF RIFLING
BORE DIAMETER
LANDS AND GROOVES
BULLET TWISTING
Unstable rorating motion of the bullet while in flight or the rotation of the nose of the bullet away from the line of flight.
GYROSCOPIC ACTION
YAW
NUTATION
WOBBLE
A short barrel rifle, having a barrel not longer than 22 inches and it is designed to fire a single shot through a rifled-bore.
RIFLE
CAVALRY GUN
CARBINE
MUSKETS
The standard ingredients of black powder are the following, EXCEPT?
POTASSIUM NITRATE
POTASSIUM CHLORIDE
SULFUR
CHARCOAL
The use of expanding, deformable bullets in wartime have been prohibited first during the .
GENEVA CONVENTION
IBIS CONVENTION
HAGUE CONVENTION
UN CONVENTION
The barrel is usually composed of what type of metal?
CHROME MOLYBDENUM
TUNGSTEN CARBINE
LIGHT STEEL
METAL COPPER
In the terminal ballistics, It refers to the size of the bullet groupings on the target.
TERMINAL PENETRATON
TERMINAL VELOCITY
TERMINAL ENERGY
TERMINAL ACCURACY
It is a barrel construction of a shotgun in which there is a diminishing bore diameter towards its muzzle.
CYLINDER BORE TYPE SHOTGUN
CHOKE BORE SHOTGUN
PARADOX TYPE SHOT GUN
SINGLE BARREL SHOT GUN
The caliber of the smoothbore firearm case measured by?
GAUGE
CALIBER
LANDS
GROOVES
It is a type of firearm designed to fire several loads (shot) in one loading.
SINGLE SHOT FIREARMS
REPEATING FIREARMS
DOUBLE ACTION
SINGLE ACTION
These are devices that are not really designed to become a weapon but because of its mechanism that is the same as those in the firearm they are already considered as miscellaneous guns.
TOOL
ZIP GUNS
TRAPS
CANE GUNS
It is a classification of document in which it is issued by a public official in the exercise of the functions of his office.
PUBLIC DOCUMENT
OFFICIAL DOCUMENT
PRIVATE DOCUMENT
COMMERCIAL DOCUMENT
It is the combination of the basic shape and designs of letters and the writing instrument which was taught in school.
COPY BOOK FORM
SYSTEM OF WRITING
HANDWRITING
WRITING MOVEMENT
Mr. A, a Chief of the Intelligence Division of PNP, will sign a “Confidential” file as an approval regarding the operation against the notorious drug syndicate in their locality. What class of signature does Mr. A execute?
FORMAL
INFORMAL
CARELESS SCRBLE
FORGERY
It is a specimen of writing executed deliberately with an attempt of changing its usual writing habits to hide his/her identity
NATURAL WRITING
HAND LETTERING
GUIDED WRITING
DISGUISED WRITING
This movement may be categorized into hesitating and painful due to weakness and illness.
TREMORS
HESITATION
OLD AGE
INFIRMED
It is a name of a person which represents an identification in a document and serves as an acknowledgement of the document signed.
EVIDENTIAL SIGNATURE
MODEL SIGNATURE
SIGNATURE
STANDARD SIGNATURE
The rounded inner part of an upper curve, bend or crook of a letter.
HUMPS
ARC
BLUNT
BEARD
It is an interruption in the stroke caused by the immediate removal of the writing pen from the surface of the paper.
PEN POSITION
PEN SCOPE
SHADING
PEN LIFT
A person who can write either with his left or right hand is called–
AMBIDEXTROUS
BICEPHALOUS
ANALOGOUS
DEXTEROUS
This are usually the result from contact with the other writings.
FOLDS
CREASES
BLOT
SMEARS
A kind of erasure by using a rubber eraser, sharp knife, razor blade or picking instrument.
MECHANICAL
ELECTRONIC
MAGNETIC
CHEMICAL
It is one that contains some changes either as addition or deletion.
MODEL DOCUMENT
DISPUTED DOCUMENT
ALTERED DOCUMENT
QUESTONED DOCUMENT
A term used by some document examiners and attorneys to characterize known material or the standards.
STANDARD DOCUMENT
EXEMPLARS
HOLOGRAPH
REQUESTED DOCUMENT
Which of these refers to the art of determining the character or disposition of person by analyzing his handwriting?
CALLIGRAPHY
GRAPHOLOGY
HOLOGRAPH
GRAPHOANALYSIS
Is a neurological condition in which someone has difficulty turning their thoughts into written language for their age and ability to think, despite exposure to adequate instruction and education.
agraphia
dyslexia
dysgraphia
anachronism
