UF PHA6936 Final Test Bank Questions
and Answers 2026 | Updated Practice
Review with Explanations | Grade A+
• Which crimes do we place more investigative emphasis on? -✓✓Crimes against
people
• Which of the following is a search pattern? -✓✓grid
• photographs of crime secenes must include overall views, close ups, and _______? -
✓✓midrange
• crime scene documentation methods do not include: -✓✓cell phone records
• what can affect how you prepare to conduct a crime scene investigation? -✓✓location,
weather, time of day
• according to lecture, what is the first thing a first responder should do at a major crime
scene? -✓✓search for and detain the suspect
• types of crime sketches include -✓✓preliminary, cross projection, smooth
• the rough sketch that is usually prepared at a crime scene is used to -✓✓precisely
locate evidence
• you should only document what you see -✓✓false
• which is not a type of glass discussed in class? -✓✓borosilicate
• a blood spatter pattern consisting of a large number of very fine, mist-like droplets
indicates that the blood probably came from a -✓✓gunshot wound
• which is not one of the categories of patters we discussed in chapter 4 -
✓✓individualizing, reconstruction, sequencing. and these are all patters for analysis
• a swipe bloodstain pattern is the result of -✓✓a bloody object in motion contacting
another clean surface
• blood spatter patterns can indicate -✓✓how many sources of blood there were, what
type of weapon was used, the number of times a weapon was used
,• the ______ the droplet, the ______the force that was used to create the spatter -
✓✓smaller, the greater
• when a fracture line in glass hits a pre-existing fracture line it.... -✓✓stops
• which is NOT a variable to cinsider when examining blood patterns? -✓✓blood alcohol
level when blood is shed
• gunshot residue: -✓✓does not travel a great distance
• most reconstruction patterns are easily transported to the lab for further analysis -
✓✓false
• this is not a fundamental principle of fingerprinting -✓✓fingerprints are formed when
someone is about five years old
• this type of fingerprint is a three dimensional impression -✓✓plastic
• the basic fingerprint class patterns are: -✓✓arches, loops, and whorls
• fingerprints change over the course of a person's lifetime -✓✓false
• common fingerprint minutiae include -✓✓dots, bifurcations, islands
• the fingerprint database is called: -✓✓AFIS
• chemical methods for the development of latent fingerprints include -✓✓iodine fuming
• the ACE-V method of print identification involves -✓✓analysis, comparison,
evaluation, and verification
• unknown fingerprints are entered into the data base as: -✓✓forensic files
• individualizing friction ridge detail also exists on your -✓✓palms, fingers, and toes
• a person's ____ is usually more distinctive than their normal handwriting -
✓✓signature
• when collecting document evidence, it is important to carefully protect the document to
avoid -✓✓loss of possible DNA, loss of possible indentations, loss of possible latent
print evidence
• questioned document examiners prefer to work with copies so they do not damage the
original document -✓✓false
,• writing instruments include -✓✓ball point pens, spray cans, paint brushes
• natural variation in a person's handwriting is ___ when compared to the variation
between individuals -✓✓always less
• collected writing samples should be -✓✓authenticated and from an appropriate time
period.
• the three parts of the writing process that can yield useful information are -✓✓writing
surface, writing instrument, and transfer medium
• handwriting comparisons can be made using -✓✓how letters are made, where
pressure is applied, and connections between letters
• indented writings on evidence can be visualized with an instrument called -✓✓an
Electrostatic Detection Apparatus (ESDA)
• It is not possible to examine a document to see what printer or copier it could have
originated from -✓✓false
• sliding a tool into the surface makes an indented tool mark -✓✓false
• the four components of a firearm cartridge are -✓✓the primer, the propellant, the
cartridge, and the barrel
• toolmark examinations may provide the following information -✓✓the kind of tool used
to make the mark
• the caliber of a weapon is -✓✓the inside diameter of a gun barrel
• gunshot residue is characterized by the presence of the elements -✓✓lead, barium,
and antimony
• class characteristics of a firearm detectable from a fired bullet include -✓✓the
direction of the twist of the barrel of the gun
• the depressed helical grooves in a bullet are called -✓✓land impressions
• which type of test is frequently done with recovered firearms to evaluate the possibility
of accidental discharge? -✓✓trigger pull test
• gunshot residue (GSR) testing can be difficult to perform because... -✓✓GSR
particles do not travel far, can be washed off and only last a few hours
, • pushing a tool into the surface makes a striated tool mark -✓✓false
• you are using phenolphthalein to test a reddish brown stain for the presence of blood.
When you put a drop of phenolphthalein on the swab with your sample, it turns pink
immediately. This test is: -✓✓invalid because it turned pink
• The "Christmas Tree Stain" is a confirmatory test for -✓✓sperm
• What anticoagulant compound was found in blood samples in the OJ simpson case? -
✓✓EDTA
• Wet blood stains should be collected by -✓✓swabbing
• a substrate control sample helps to detect -✓✓interference resulting in false
negatives/positives
• in forensic biology, screening tests -✓✓may give false positives
• in forensic biology, confirmatory tests -✓✓can determine a sample to the exclusion of
all other possibilities
• screening tests for semen are based on detecting the enzyme -✓✓acid phosphatase
• there is a useful confirmatory test for the presence of saliva -✓✓false
• how would you interpret the ABA test on the page? -✓✓invalid
• what is detrimental to the survival of DNA? -✓✓bacteria, heat, moisture
• what happened to the initial suspect in the Yates murder case? -✓✓he began a
scholarship fund after winning a slander lawsuit
• you have the same mitochondrial DNA as your -✓✓sibling
• genetic differences among people that enable them to be distinguished are called
genetic ___? -✓✓polymorphisms
• the majority of DNA is -✓✓non-coding
• the polymerase chain reaction (PCR) is a process which -✓✓makes many copies of a
specific piece of DNA
and Answers 2026 | Updated Practice
Review with Explanations | Grade A+
• Which crimes do we place more investigative emphasis on? -✓✓Crimes against
people
• Which of the following is a search pattern? -✓✓grid
• photographs of crime secenes must include overall views, close ups, and _______? -
✓✓midrange
• crime scene documentation methods do not include: -✓✓cell phone records
• what can affect how you prepare to conduct a crime scene investigation? -✓✓location,
weather, time of day
• according to lecture, what is the first thing a first responder should do at a major crime
scene? -✓✓search for and detain the suspect
• types of crime sketches include -✓✓preliminary, cross projection, smooth
• the rough sketch that is usually prepared at a crime scene is used to -✓✓precisely
locate evidence
• you should only document what you see -✓✓false
• which is not a type of glass discussed in class? -✓✓borosilicate
• a blood spatter pattern consisting of a large number of very fine, mist-like droplets
indicates that the blood probably came from a -✓✓gunshot wound
• which is not one of the categories of patters we discussed in chapter 4 -
✓✓individualizing, reconstruction, sequencing. and these are all patters for analysis
• a swipe bloodstain pattern is the result of -✓✓a bloody object in motion contacting
another clean surface
• blood spatter patterns can indicate -✓✓how many sources of blood there were, what
type of weapon was used, the number of times a weapon was used
,• the ______ the droplet, the ______the force that was used to create the spatter -
✓✓smaller, the greater
• when a fracture line in glass hits a pre-existing fracture line it.... -✓✓stops
• which is NOT a variable to cinsider when examining blood patterns? -✓✓blood alcohol
level when blood is shed
• gunshot residue: -✓✓does not travel a great distance
• most reconstruction patterns are easily transported to the lab for further analysis -
✓✓false
• this is not a fundamental principle of fingerprinting -✓✓fingerprints are formed when
someone is about five years old
• this type of fingerprint is a three dimensional impression -✓✓plastic
• the basic fingerprint class patterns are: -✓✓arches, loops, and whorls
• fingerprints change over the course of a person's lifetime -✓✓false
• common fingerprint minutiae include -✓✓dots, bifurcations, islands
• the fingerprint database is called: -✓✓AFIS
• chemical methods for the development of latent fingerprints include -✓✓iodine fuming
• the ACE-V method of print identification involves -✓✓analysis, comparison,
evaluation, and verification
• unknown fingerprints are entered into the data base as: -✓✓forensic files
• individualizing friction ridge detail also exists on your -✓✓palms, fingers, and toes
• a person's ____ is usually more distinctive than their normal handwriting -
✓✓signature
• when collecting document evidence, it is important to carefully protect the document to
avoid -✓✓loss of possible DNA, loss of possible indentations, loss of possible latent
print evidence
• questioned document examiners prefer to work with copies so they do not damage the
original document -✓✓false
,• writing instruments include -✓✓ball point pens, spray cans, paint brushes
• natural variation in a person's handwriting is ___ when compared to the variation
between individuals -✓✓always less
• collected writing samples should be -✓✓authenticated and from an appropriate time
period.
• the three parts of the writing process that can yield useful information are -✓✓writing
surface, writing instrument, and transfer medium
• handwriting comparisons can be made using -✓✓how letters are made, where
pressure is applied, and connections between letters
• indented writings on evidence can be visualized with an instrument called -✓✓an
Electrostatic Detection Apparatus (ESDA)
• It is not possible to examine a document to see what printer or copier it could have
originated from -✓✓false
• sliding a tool into the surface makes an indented tool mark -✓✓false
• the four components of a firearm cartridge are -✓✓the primer, the propellant, the
cartridge, and the barrel
• toolmark examinations may provide the following information -✓✓the kind of tool used
to make the mark
• the caliber of a weapon is -✓✓the inside diameter of a gun barrel
• gunshot residue is characterized by the presence of the elements -✓✓lead, barium,
and antimony
• class characteristics of a firearm detectable from a fired bullet include -✓✓the
direction of the twist of the barrel of the gun
• the depressed helical grooves in a bullet are called -✓✓land impressions
• which type of test is frequently done with recovered firearms to evaluate the possibility
of accidental discharge? -✓✓trigger pull test
• gunshot residue (GSR) testing can be difficult to perform because... -✓✓GSR
particles do not travel far, can be washed off and only last a few hours
, • pushing a tool into the surface makes a striated tool mark -✓✓false
• you are using phenolphthalein to test a reddish brown stain for the presence of blood.
When you put a drop of phenolphthalein on the swab with your sample, it turns pink
immediately. This test is: -✓✓invalid because it turned pink
• The "Christmas Tree Stain" is a confirmatory test for -✓✓sperm
• What anticoagulant compound was found in blood samples in the OJ simpson case? -
✓✓EDTA
• Wet blood stains should be collected by -✓✓swabbing
• a substrate control sample helps to detect -✓✓interference resulting in false
negatives/positives
• in forensic biology, screening tests -✓✓may give false positives
• in forensic biology, confirmatory tests -✓✓can determine a sample to the exclusion of
all other possibilities
• screening tests for semen are based on detecting the enzyme -✓✓acid phosphatase
• there is a useful confirmatory test for the presence of saliva -✓✓false
• how would you interpret the ABA test on the page? -✓✓invalid
• what is detrimental to the survival of DNA? -✓✓bacteria, heat, moisture
• what happened to the initial suspect in the Yates murder case? -✓✓he began a
scholarship fund after winning a slander lawsuit
• you have the same mitochondrial DNA as your -✓✓sibling
• genetic differences among people that enable them to be distinguished are called
genetic ___? -✓✓polymorphisms
• the majority of DNA is -✓✓non-coding
• the polymerase chain reaction (PCR) is a process which -✓✓makes many copies of a
specific piece of DNA
