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Total questions: 69
Worksheet time: 2hrs 18mins
A person with A antigens would have blood type:
A
B
AB
O
A person without A or B antigens on their red blood cells has blood type:
A
B
AB
O
A person with O blood could give blood to:
A
B
AB
O
All other blood types
The blood type that contains no A or B ANTIBODIES is:
A
B
AB
O
The proteins found on the surface of RBCs that allow us to type blood as A, B, O or AB are called
antigens
antibodies
aggluntates
Rh factors
What are the 4 major blood types?
Blood type A
Blood type B
Blood type C
Blood type AB
Blood type O
The appropriate manner in which to remove gloves after working with them is to
remove both gloves at the same time, then wash the hands.
remove one at a time, only touching the glove, using one glove to contain the other, throw away and to wash the hands.
wash the gloves, remove one at a time, grabbing your wrist with one glove, then sliding off the other glove until it is off the hand, then repeat on the other side.
cut them off.
The pale yellow, liquid portion of blood that consists of water and dissolved substances, including sugars, lipids, metabolic waste products, amino acids, hormones, and vitamins.
erythrocyte
plasma
platelet
serotonin
Hemoglobin-rich, red blood cells that transport oxygen through a body, and give the red color to vertebrate blood and do not have nuclei.
erythrocyte
leucocyte
platelet
thrombocyte
Lack hemoglobin but have a nucleus and are active in the immune response.
erythrocyte
leukocyte
platelet
serotonin
You fall down and scrape your knee. Which component of blood would work to clot the blood at the injury site to generate a scab?
erythrocyte (red blood cells)
leukocyte (white blood cells)
thrombocyte (platelets)
A protein found in red blood cells that transports oxygen.
erythrocyte
hemoglobin
plasma
serum
A presumptive test that uses a compound known as phenolphthalein, which reacts with the iron carried by hemoglobin
Kastle-Meyer
Leucocrystal Violet Test (LCV)
Luminol test
What is the most common and best type of presumptive blood test?
Kastle-Meyer
Leucocrystal Violet Test (LCV)
Luminol test
Relies on other unique properties of blood, such as the proteins present on the surface of red blood cells called antigens and confirms the presence of blood at a scene
Confirmatory Test
Presumptive Test
You complete blood type testing and there is no agglutination with either Anti-A or Anti-B antibodies. What type of blood is present?
A
B
AB
O
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.
If if an unknown blood sample clumps with anti-B serum and not with anti-A serum, what is the blood type?
AB
A
O
B
What types of blood can a person with AB RECEIVE?
B only
AB and O only
AB, A, B, O
A only
What type of blood is the universal donor (Hint: they can give their red blood cells to any person)?
O
AB
A
B
If if an unknown blood sample clumps with anti-B serum and also with anti-A serum, what is the blood type?
AB
A
O
B
Identify the blood type.
A
B
AB
O
The diameter of a blood drop can be used to estimate the
height blood fell.
blood type.
amount of blood.
direction of blood letting.
Blood typing is a way to positively identify someone from a crime scene.
True
False
Which blood type is known as the universal recipient?
AB
B
O
A
Which of the following is not a major component of blood in humans?
Epithelial cells
Red blood cells
White blood cells
Plasma
Platelets
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
This blood type has no antigens on its surface.
O Negative
B Positive
AB Positive
A Negative
True or False: Blood typing evidence is used to eliminate an individual or class of people.
True
False
Luminol is a chemical used to...
Illuminate or glow if blood is present
Detect if the blood is from a human or not
Determine the blood type of an individual
Preform a White Blood Cell count
Read the Experiment. Identify the independent variable(s).
Amount of coffee
Amount of Caffeine
Reaction Time and movement time
Number of Males
Read the Experiment. Identify the dependent variable(s).
Amount of coffee
Amount of caffeine
Reaction time and movement time
number of males
Read the experiment. Which of the following would probably be controlled variables (variables that are kept the same)? Check all that apply.
Group sizes
Amount of caffeine
waiting period time
type of test given
Read the experiment. Which group was the control group?
group 1
group 2
group 3
The average diameter for the blood spatter found at a crime scene was 12 mm. From what height did the blood drop according to the graph?
30 cm
50 cm
60 cm
100 cm
What blood type is this? The top picture was treated with antibody A and the bottom with antibody B.
Type A
Type B
Type AB
Type O
What blood type is this? The top picture was treated with antibody A and the bottom with antibody B.
Type A
Type B
Type AB
Type O
Luminol would be considered a presumptive test for blood.
True
False
A person with O blood could give blood to:
A
B
AB
O
All other blood types
The blood type that contains no A or B antibodies is:
A
B
AB
O
A person with AB blood type could give to
A
B
AB
O
The proteins found on the surface of RBCs that allow us to type blood as A, B, O or AB are called
antigens
antibodies
aggluntates
Rh factors
Forms blood clots to stop or prevent bleeding.
Platelets
Plasma
White blood cells
Hemoglobin protein
Negative control groups help identify outside influences that were not accounted for when the procedure was created.
TRUE
FALSE
DEPENDS ON THE EXPERIMENT BEING CONDUCTED
Because many people have the same blood type, the blood type alone cannot be used as a definitive identification test.
TRUE
FALSE
THESE STIMULATE AN IMMUNE RESPONSE
ANTIBODIES
ANTIGENS
Which of the following WOULD NOT be a task for a Bloodstain Pattern Analyst?
photograph crime scene
write reports
determine cause of death
lab work (determine gender/ethnicity from sample)
Which droplet was likely donated from an angle straight above (90 degrees)?
far left
middle
2nd from right
far right
The image would be classified as a(n);
void
wipe
transfer
castoff
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?
White blood cells are also called?
Leukocytes
Erythrocytes
Platelets
Lymphocytes
Platelets are also known as
Leukocytes
Erythrocytes
Thromobocytes
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.
Blood type is caused by ....
proteins on the surface of the White blood cells
proteins on the surface of the Red blood cells
proteins on the surface of Mars
Uhm... I really wasn't listening to the teacher
The following drops can tell you:
direction of travel
weapon used
age of drop
source of blood
he drop shown above would have more than likely been dropped from an angle of
90
50
30
10
