WorksheetsForensics 1st Semester Final Exam
Total questions: 75
Worksheet time: 1hrs 8mins
Dayana and Madelyn are conducting a science experiment. They are following a step by step way of asking and solving observations and questions. What is this method called?
data
scientific method
observatories
control groups
In a science fair, Alexia made a testable prediction about her project. Alexia correctly referred to this as a(n)
Question
Observation
Hypothesis
Experiment
Chaio and Marlene are conducting a science experiment. The information they collect while performing the experiment is called
conclusions
data
hypotheses
procedures
Forensics can best be described as using ___ to enforce the ___
science, law
science, admissibility
law, scientific method
scientific methods, evidence process
Toxicology is a field that involves the analysis of
teeth
poisons
digital documents
fingerprints
The initial popularity of forensics can be attributed to what artistic work?
Bill Nye the Science Guy
Sherlock Holmes
Harry Potter
The great paintings of Forensics Frank
Zynaya and Yanely are participating in a quiz competition. The quizmaster asks, 'The first federal forensics lab services in the USA were established by which organization?'
FBI
DEA
Los Angeles Police Squad
Royal Mounted Police
In the 1960's, 1/2 of all forensics requests involved
drugs
murder
breaking and entering
forgery
DNA cannot be obtained from the following materials
Blood
Semen
saliva
teeth
The largest state DNA profile in the country contains over 1,000,000 profiles in the state of
California
New York
Texas
Florida
During a court hearing, James, an expert witness, was asked to share his personal opinion related to Dulce's drug charges. Can his testimony include his personal opinion?
True
False
A(n) __________ is a person who can demonstrate a particular skill or knowledge in a trade or profession that can help the court determine the truth of the matter at hand.
expert witness
eye witness
scientific witness
educated witness
True or false? The expert witness’s mood might play a role in deciding how the court will use their testimony.
True
False
The increasing demand for__________ analysis has been the single most important factor in the recent expansion of crime labs in the United States.
drug
materials
poison
blood
Why is it important to preserve a crime scene?
It is not important
To perform a proper investigation
To give time for proper body decomposition
To give for onlookers to have a good look
At a school event, Robert and Eduardo were the first officers on the scene when a small fire broke out. What responsibilities should they have included?
secure the area around the fire
isolate the area to prevent people from getting too close
collect evidence about what might have caused the fire
create a rough sketch of the scene for future reference
What term is used to describe the sequence in which evidence is managed during a case investigation?
Evidence Sequence
Chain of custody
Investigation Order
Case Chain
1. The term ____________encompasses all objects. It can establish or disprove whether a crime has been committed.
physical evidence
sweepings
custody property
objectalls
True or false? Scientific evaluation of crime scene evidence can usually overcome the results of a poorly conducted criminal investigation
True
False
Bianca and Marlene are role-playing a crime scene investigation. In their role-play, priority should be given to obtaining _____________ for individuals in need of it and attempt to minimize disturbance of evidence.
medical aid
compensation
crime guides
food
The_______________ arriving on the scene of a crime is responsible for taking steps to preserve and protect the area to the greatest extent possible.
first officer
protection aid
first pilot
ambulance
True or false? Crime scene notes should be written from the memory back at the library.
True
False
Before located evidence is collected, It must be fully described in the investigator’s _____________
notebook
final sketch
biopsy
autopsy report
True or false, when an injured or deceased victim is present at the scene, the state of the body before being moved should be observed but not recorded.
True
False
True or false. A regular mailing envelope is considered a good evidence container.
True
False
Cesar is the first officer at the scene of an outdoor assault. He finds the victim bleeding but conscious, with two of the victim’s friends and several onlookers standing nearby. He calls for backup and quickly glances around but sees no one fleeing the scene. Describe the next step he should take while waiting for backup to arrive.
Collect evidence
Call for medical aid
Apprehend the suspect
Question the family
Documentation and recording of how evidence was handled from start
to finish; used to maintain and document chronological history of evidence from
collection to appearance in court
Chain of custody
Evidence submission form
Documentation Procedures
Codes of Officer Standards
The initial survey of the crime scene should be done in a ____ manner, taking ___ of observations at the scene
systematic, notes
step by step, descriptions
erratic, digital recordings
obtuse, suspicions
Correct collection of evidence requires which of the following?
documenting the location where the evidence was found
correct packaging of evidence
maintaining proper chain of custody
all of the above
During a school field trip to the local police station, Bryan noticed one person meticulously documenting the crime scene and collecting physical evidence. Who was this person likely to be?
Crime Scene investigator
First responder
Specialist
A feature or quality belonging typically to a person, place, or thing that serves to identify it
Characteristics
Comparison
Individual
Rapid DNA
Examples of biological evidence
blood
semen
saliva
fingerprints
Samples used for explosive analysis include
residues
powders
detonators
poisons
When we ___, one analyzes a piece of evidence against a reference sample
identify
compare
delude
allude
One of the frustrations and limitations of forensics is that most pieces of evidence do not have just one common origin. Most evidence is said to have ________
class characteristics
non common origins
group findings
immoral ramification
There are four blood types. A, B, __ and O
AB
ABC
+
-
Only ___ technology can provide enough factors so that we can clearly say that blood comes from a single person. Or an identical twin
DNA
Fingerprint
Forensics
Dianetics
Characteristics may _______ a person from suspicion. For example, if blood type A is linked to the suspect, any individual with a different blood type can be eliminated from consideration.
exclude
indicte
lead
link
Dayana was at a crime scene investigation. She noticed a pattern on the floor and asked Joseph, 'What does the following look like to you?'
cast off
walking drip
splash
medium velocity impact
Eduardo comes across a bloody crime scene. He is careless and steps in the blood then walks away. What type of blood spatter pattern did he leave behind?
Transfer/Contact
Swipe
Wipe
Saturation
As the angle of impact gets smaller, what happens to the tail?
Gets longer
Gets shorter
Stays the same
What direction did this blood come from?
Top
Bottom
Left
Right
Yanely gets punched in the nose by Zynaya. Yanely is bleeding from her nose. She climbs a ladder to see how blood spills from different heights onto a white sheet. What happens to the size of the blood stain as she drops the blood from increasing heights?
Gets larger.
Gets smaller.
Stays the same size.
Blood dripping off a weapon would be considered
Passive blood spatter
Projected blood spatter
Transfer blood
During a forensics class, Robert showed a picture of a crime scene to Cesar and Eduardo. He asked, 'What blood spatter pattern is seen in this picture?'
Cast Off
Medium Velocity
Void
High Velocity
Marlene, Kimberly and Mr. Perez are studying forensics and come across a crime scene. They notice a pattern of blood spatter. Kimberly thinks it's from a gun shot. What pattern of blood spatter do you think it is?
arterial gushes
splash
smear
pool
A bullet was fired from a 2nd floor (25ft) window at a distance of 100 ft from the victim. Which equation woulld be the best to find the angle that the bullet entered the victim.
tangent of the angle
sine of the angle
cosine of the angle
the squared root of the radius
During a forensics class experiment, Alexia and Joseph were studying blood spatter patterns. They observed a blood droplet traveling at a speed of 10 ft per second. This would be classified as:
low velocity spatter
medium velocity spatter
high velocity spatter
none of the above
When a victim is shot, somestimes blood can travel towards the gun of the shooter. This is known as:
gun spatter
back spatter
forward spatter
reverse spatter
Kimberly and Bryan are detectives who have just arrived at a crime scene. They know that their search of the scene should be immediate and thorough. If they fail to do this, what could they be accused of?
Negligence
Covering Up
Tampering
Laundering
What symbol is used to indicate a biohazard when handling body fluids?
A red cross
A green triangle
A yellow circle
A biohazard symbol
Blood does not consist of the following:
Red Blood cells
white blood cells
pink blood cells
platelets
Chaio was playing in the park and he fell down, causing a slight cut on his knee. Dulce quickly ran to get the first aid kit. Mr Perez explained to Chaio that a certain component in his blood will help his knee heal from the cut. Which blood component was Mr Perez referring to?
Red Blood cells
White blood cells
Pink blood cells
Platelets
This molecule found in blood allows cells to carry oxygen
Hemoglobin
Oxygen
Metformin
Lycanthrope
Allyson, Juliana and Corrine are working in a lab and they need to collect some body fluids for testing. How should they mark the container?
Biohazard
Toxic
DNA On Board
No special markings are required
Which letter best shows the origin of the blood?
A
B
C
D
These droples indicate blood that was dropped at different
heights
directions
angles
speeds
What blood type do you need to be a universal donor?
Type AB+
Type O-
Type B-
Type A-
What can happen if you receive the wrong blood type?
It changes your blood type.
You might need new white blood cells.
your cells will clump together and you could die.
You will get too much oxygen.
