UF PHA6936 FINAL EXAM PREP EXAM
WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 - 2026
A crystalline drug has a repeating arrangement of individual
molecules (crystal lattice) and a characteristically narrow
melting point range. (T/F)
True
What color is produced by Marquis' reagent in the presence
of Opium Alkaloids?
Purple
What color is produced by Marquis' reagent in the presence
of Amphetamine and Methamphetamine?
Orange
What color is produced by Marquis' reagent in the presence
of MDMA?
Blue to black
What color is produced by Cobalt thiocyanate reagent in the
presence of Cocaine?
Blue
,What color is produced by Duquenois-Levine reagent in the
presence of marijuana/THC?
Violet-Blue can be extracted into chloroform
What color is produced by Dillie-Kopanyi reagent in the
presence of Barbiturates?
Purple
what can affect how you prepare to conduct a crime scene
investigation?
location, weather, time of day
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
rough, cross-projection, final
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
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
Types of Glass
Soda-lime, borosilicate, and leaded
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 consider 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 (T/F)
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
Crime scene processing is the same as crime scene
investigation.
False
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
Fingerprints change over the course of a person's lifetime
(T/F)
false
WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 - 2026
A crystalline drug has a repeating arrangement of individual
molecules (crystal lattice) and a characteristically narrow
melting point range. (T/F)
True
What color is produced by Marquis' reagent in the presence
of Opium Alkaloids?
Purple
What color is produced by Marquis' reagent in the presence
of Amphetamine and Methamphetamine?
Orange
What color is produced by Marquis' reagent in the presence
of MDMA?
Blue to black
What color is produced by Cobalt thiocyanate reagent in the
presence of Cocaine?
Blue
,What color is produced by Duquenois-Levine reagent in the
presence of marijuana/THC?
Violet-Blue can be extracted into chloroform
What color is produced by Dillie-Kopanyi reagent in the
presence of Barbiturates?
Purple
what can affect how you prepare to conduct a crime scene
investigation?
location, weather, time of day
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
rough, cross-projection, final
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
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
Types of Glass
Soda-lime, borosilicate, and leaded
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 consider 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 (T/F)
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
Crime scene processing is the same as crime scene
investigation.
False
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
Fingerprints change over the course of a person's lifetime
(T/F)
false
