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42 Cards in this Set
- Front
- Back
What makes up the blood in our bodies?
erythrocytes |
red blood cells
The most abundant cells in our blood; they are produce in the bone marrow and contain a protein called hemoglobin that carries oxygen to our cellls |
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What makes up the blood in our bodies?
leukocytes |
White blood cells
They are part of the immune system and destroy pathogens |
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What makes up the blood in our bodies?
plasma |
the yellowish liquid portion of blood that contains electrolytes, nutrients, and vitamins, hormones, clotting factors, and proteins such as antibodies to fight infection.
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What makes up the blood in our bodies?
thrombocytes |
platelets
The clotting factors that are carried in the plasma; they clot together in a process called coagulation to seal a wound and prevent a loss of blood. |
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Blood facts:
How much blood does the average adult have inside of their body? How much of their body weight does this make up? |
five liters
7-8% |
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Blood facts:
This red liquid is _________ __________ that carries _________ and nutrients to all parts of the body, and carries __________ and ____________ __________ back to the lungs, kidney and liver for disposal. It also fights against __________ and helps heal ________. |
living tissue
oxygen carbon dioxide, other waste products infection, wounds |
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Blood facts:
There are about ___ __________ red blood cells in two to three drops of blood. (sounds like a lot to your ma.) For every _____ red blood cells, there are about ___ platelets and ___ white cell. |
one billion
600 40 one |
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Genetics of Blood
Your blood type is established before you are _____, by specific _____ inherited from your _____. |
born
genes "really-good looking" parents |
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Genetics of Blood
Concerning the genes you inherit: These ____ genes, well one is from your _______ and one is from your _______. |
two
mother, father |
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Genetics of Blood
How do the genes you inherit from your parents determine your blood type? |
They cause proteins called agglutinogens to exist on the surface of all your red blood cells.
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What are the three alleles or genes for blood type?
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A, B, and O
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What is an alleles?
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There are three, the are the genes for blood type.
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What are the four types of blood? give genotypes for each
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Type A = AA AO
Type B = BB BO Type AB = AB Type ) = OO |
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How common are the four blood types?
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A = 38.8
B = 11.1 AB = 3.9 0 - 46.1 |
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Blood Transfusions
What blood type is known as the universal donor |
type O
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Blood Transfusions
What blood type is known as the Universal Recipient?" |
Type AB
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Complete the diagram:
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top = type O
left = B right = A bottom = AB |
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Complete this statement: A person with Rh+ blood may receive blood that is ____ or ____. A person with Rh- blood, however, can only receive _____ blood
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RH+ blood gets + and -
RH- blood gets only - |
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RH (Rhesus) Factors
What animal helps scientists discover Rh proteins in blood? |
Rhesus monkey
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RH (Rhesus) Factors
If someone has the Rh protein, they are said to have Rh ______ blood. If someone does not have this ________ they have Rh- blood. |
+
protein |
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How can blood be used as evidence in a crime?
Blood samples - |
Can be analyzed to determine BLOOD TYPE and DNA, which can be matched to possible suspects.
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How can blood be used as evidence in a crime?
BLOOD DROPLETS |
Can be analyzed to give clues to the location of a CRIME, MOVEMENT of a SUSPECT, and type of WEAPON
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How can blood be used as evidence in a crime?
BLOOD SPATTER |
Can be analyzed to determine PATTERNS that give investigators clues to how a crime might have happened.
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BPA
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Bloodstain Pattern Analysis
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What can an investigator learn from the analysis of a blood spatter?
Type and velocity |
of a weapon
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What can an investigator learn from the analysis of a blood spatter?
Number of ... |
blows
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What can an investigator learn from the analysis of a blood spatter?
Handedness of assailant... |
right or left handed
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What can an investigator learn from the analysis of a blood spatter?
__________ and __________ of the victim and assailant during and after the attack |
position and movements
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What can an investigator learn from the analysis of a blood spatter?
Which ________ were inflicted first |
wounds
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What can an investigator learn from the analysis of a blood spatter?
Type of ..... |
injuries
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What can an investigator learn from the analysis of a blood spatter?
How long ago... |
the crime was committed
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What can an investigator learn from the analysis of a blood spatter?
Whether _________ death was immediate or delayed |
immediate
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What are several methods for detecting traces of blood at a crime scene?
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Physical examination and light sources, blood reagent tests, luminol, fluorescein, LCU-Leuco crystal violet
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Identify these terms associated with bloodstain pattern analysis.
bloodstains created from the application of force to the area where the blood originated |
spatter
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Identify these terms associated with bloodstain pattern analysis.
the place from where the blood spatter came from or originated |
origin
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Identify these terms associated with bloodstain pattern analysis.
the angle at which a blood droplet strikes a surface |
angle of impact
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the droplet from which a satellite spatter originates
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parent drop
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Identify these terms associated with bloodstain pattern analysis.
small drops of blood that break off the parent spatter when the blood hits a surface |
satellite spatters
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Identify these terms associated with bloodstain pattern analysis.
the pointed edges of a stain that radiate out form the spatter; can help determine the direction from which the blood traveled |
spines
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What are the basic types of bloodstain patterns?
Patterns created from the force of GRAVITY. Drop, series of drops, FLOW patterns, blood POOLS, etc. |
Passive bloodstains
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What are the basic types of bloodstain patterns?
projected bloodstains -Patterns that occur when a ______ is applied to the ____ of the blood. -Includes low, medium, or high ______ spatters, cast-off ______ spurting, _______ blood blown out of the nose, mouth, or wound. |
force, source
impact arterial expiratory |
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What are the basic types of bloodstain patterns?
Transfer or contact bloodstains --The pattern created when a wet, bloody object comes in _______ with a target surface; may be used to identify and ______ or body ______. -________ pattern from an object moving through a bloodstain or _______ pattern from an object leaving a bloodstain. |
contact
object, part wipe, swipe |