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Worksheets1.1.1-1/1/4
Total questions: 107
Worksheet time: 3585secs
The amount of breaths someone takes per min
Heart Rate
Skin Conductivity
Respiration Rate
Blood Pressure
The amount of times the heart beats per min
Heart Rate
Skin Conductivity
Blood Pressure
Respiration Rate
The force of blood on the vessels during contraction and relaxation of the heart.
Heart Rate
Skin Conductivity
Blood Pressure
Respiration Rate
Detection of sweat
Heart Rate
Skin Conductivity
Blood Pressure
Respiration Rate
What is a polygraph test?
A test to see how well you can adapt and control your physiological responses in a high stress environment.
A test that determines your age.
A test that determines how much you weigh without stepping on a scale.
A test used to determine whether you are a truther or a liar.
What does a polygraph measure?
Detects eye movement
Detects lies from physiological responses
Detects the severity of an emotion
Detects differences in brain activity
When analyzing polygraph results, what is the investigator looking for?
The person's heart rate will increase when telling a lie.
The person's breathing rate will increase when telling a lie.
The person's breathing rate will decrease when telling a lie.
The results of the relevant question are different from the results of the control question.
Identify the type of minutiae circled in the picture.
Ridge ending
Island/ Dot
Double Fork
Bifurcation/Fork
In experimental design why is data collection important?
to help identify a problem
to help plan the experimental procedure
to support your conclusion
to make a good hypothesis
The diameter of a blood drop can be used to estimate the
height blood fell.
blood type.
amount of blood.
direction of blood letting.
The body's reactions that can be felt, detected, or measured are called ___.
physiological responses
polygraph tests
sensors
baseline
Which of the following is not an example of a use for polygraph tests?
For Medical Diagnoses
Crime Scene Investigations
Job Interviews for Law Enforcement
Job Interview for Government Positions
In Experimental Design, this is the variable that is measured.
Independent
Dependent
Control
Baseline
In Experimental Design, this is the variable that is changed.
Independent
Dependent
Control
Baseline
The goal of experimental design is to ...
make a hypothesis.
test a hypothesis.
collect data.
make a bar graph.
Match the fingerprint.
Loop
Whorl
Helix
Arch
Match the fingerprint
Loop
Whorl
Helix
Arch
Name the primary finger print pattern
Loop
Whorl
Arch
Accidental
The innermost layer of hair is the
Cuticle
Cortex
Medulla
The outermost layer of hair is the
Cuticle
Cortex
Medulla
The middle layer of hair is the
Cuticle
Cortex
Medulla
True or False: No two people have been found with the exact same fingerprint pattern.
True
False
What was found on Anna's shirt that could be evidence?
Flies
White powder
Strands of hair
red fibers
Which characteristic is important for the biomedical sciences professions?
collaborative
Critical thinker
ethical
all of these options are important
Which crime scene search method is shown in the diagram?
zone
link
line/strip
wheel/ray
Which crime scene search method is shown in the diagram?
zone
link
wheel
line
Which are included in crime scene sketches? (choose all that apply)
time of death
scale
evidence
cause of death
location
What part of the hair is represented by letter C?
cuticle
cortex
medulla
root
What part of the hair is represented by letter B?
cuticle
cortex
medulla
root
What part of the hair is represented by letter A?
cuticle
cortex
medulla
root
When conducting an interview during a crime scene investigation, the goal of the interview is to
Establish the guilt or innocence of the suspect
Establish the hypothesis of the case
Jump to conclusions
obtain an overview of the crime scene
Locard's Exchange Principle hypothesizes that it is impossible to commit a crime without leaving traces.
True
False
How would you describe the medulla?
absent
fragmented
continuous
ocular lens
objective lens
Which blood type would most likely be considered a "universal donor" meaning that this blood type can be given to any person that needs blood?
type A
type AB
type B
type O
"+" means there is a positive result. "-" means there is a negative results.
Patient D has blood type
A
AB
O
B
A blood spatter analyst examines
the location of blood stains.
the distribution of blood pools.
the distribution of blood droplets.
the shape of blood stains and puddles.
What is the purpose of presumptive testing?
Find out who the blood belongs to.
Find out the blood type of the blood sample.
Find out if a substance may be or is not blood.
Make the cotton swabs turn pretty colors.
The proteins found on the surface of RBCs that allow us to type blood as A, B, O or AB are called
Rh factors
Antigens
Antibodies
Aggluntates
What is produced by your body in response to foreign antigens, such as the wrong type of blood?
Agglutinates
Clotting factors
Antibodies
Phagocytes
Which blood type has Type B antibodies? CHECK ALL THAT APPLY
A
B
O
AB
If a person’s blood is exposed to anti-B serum and it clumps, but does not clump when exposed to anti-A serum, then the blood is
A
B
AB
O
Blood typing is a way to positively identify someone from a crime scene.
True
False
Which of the following is not a major component of blood in humans?
Epithelial cells
Red blood cells
White blood cells
Plasma
Platelets
What is not a blood type?
A
B
C
O
What is the universal donor for blood types?
AB
A
O
B
What is the function (job) of the white blood cells?
To transport oxygen around the body.
To carry dissolved sugars.
To clot and cover wounds like cuts and grazes.
To release antibodies to help destroy infections.
What is the function (job) of the plasma?
To release antibodies to fight infections.
To transport oxygen around the body.
To carry dissolved nutrients and sugars.
To transport oxygen around the body.
What is the function (job) of the red blood cells?
To transport oxygen around the body and to the muscles.
To release antibodies to fight infections.
To carry dissolved nutrients and sugars.
To clot and form scabs if there is a wound on the body.
What is the function (job) of the platelets?
To form clots (i.e. scabs) when you have cuts and grazes.
To transport oxygen to the muscles
To carry dissolved sugars.
To produce antibodies
Type AB blood has which antibodies?
Anti-A
Anti-B
BOTH antibodies
NO antibodies
Type A blood has which antibodies?
Anti-A
Anti-B
BOTH antibodies
NO antibodies
Type B blood has which antibodies?
Anti-A
Anti-B
BOTH antibodies
NO antibodies
Type O blood has which antibodies?
Anti-A
Anti-B
BOTH antibodies
NO antibodies
Type O blood has which antigens?
A antigens
B antigens
BOTH antigens
NO antigens
Type B blood has which antigens?
A antigens
B antigens
BOTH antigens
NO antigens
Type AB blood has which antigens?
A antigens
B antigens
BOTH antigens
NO antigens
Type A blood has which antigens?
A antigens
B antigens
BOTH antigens
NO antigens
The Kastle-Meyer Test is a
negative test for DNA.
positive test for bacteria.
presumptive test for blood.
confirmatory test for blood.
A swab was taken of a red stain on the floor of a crime scene. The result of a Kastle-Meyer test performed on this swab is shown here. What does this result indicate?
The result is negative, meaning that the stain is blood.
The result is positive, meaning that the stain may be blood.
The result is negative, meaning that the stain is not blood.
The result is positive, meaning that the stain is most certainly blood.
A presumptive test
usually is done first, is quick and indicates a possible positive result.
is always negative.
usually is done at the lab, takes longer and indicates a 100% certainty positive result.
usually is done first, is quick and indicates a 100% certainty positive result.
According to the chart shown here, which patient has blood type AB?
Patient 1
Patient 2
Patient 3
Patient 4
Agglutination also means
the antibodies that are circulating in blood.
clumping of red blood cells.
presumptive blood tests.
blood type.
Which blood type would most likely be considered a "universal donor" meaning that this blood type can be given to any person that needs blood?
type A
type AB
type B
type O
According to the graph shown here, what is the independent variable of this experiment?
average blood diameter
blood spatter diameter
angle of blood spatter
height of blood dropped
Which of the following would be an appropriate hypothesis for an experiment?Does caffeine affect reading test scores?
Does caffeine affect reading test scores?
If a subject consumes at least 50 mg of caffeine, then the scores on a reading test will improve by an average of 2 points.
The Effect of Caffeine on Reading Test Scores
the group of subject participants getting decaf coffee or coffee with 0 mg of caffeine
A dependent variable in an experiment should always be
the diameter
measurable
specific
countable
Procedures should
only make sense to the people who are writing them.
be specific, with measurements, numbers and details.
be reproducible when other people perform them.
be more than 20 steps.
A stain such as the one shown here would most likely be classified as
falling droplet.
elongated tail.
radial spatter.
transfer.
A fast or high velocity blood spatter stain is usually indicated by
a large, round pattern.
a smeared pattern.
a long tail.
a long oval shape.
Passive or gravity blood stain patterns would usually be caused by
a blunt force trauma injury.
a gunshot.
walking over a puddle of blood and leaving prints.
dropping straight down from a source of bleeding.
The purpose of plasma in blood is to
transports oxygen from the lungs to other parts of the body.
fight infections.
make blood red.
acts as the major medium that holds, carries and transports all the other components of blood, including nutrients, antibodies, food, waste and other cells.
clot cuts and damaged blood vessels.
In the Kastle-Meyer presumptive blood test, which color indicates that blood is present?
Pink
Yellow
Blue
Gold
What happens when blood agglutinates (clots) in response to an anti-body?
A substance on the surface of red blood cells that can trigger the production of antibodies
agglutinates
antigens
anemia
Rh Factor
Patient 3,4,7,8
Patient 1,2,5,6
Patient 1,2,3,4
What is produced by your body in response to foreign antigens, such as the wrong type of blood?
Agglutinates
Clotting factors
Antibodies
Phagocytes
Which blood type has Type B antibodies? CHECK ALL THAT APPLY
A
B
O
AB
If a person’s blood is exposed to anti-B serum and it clumps, but does not clump when exposed to anti-A serum, then the blood is
A
B
AB
O
