History of Blood
What year did the Greeks distinguish between arteries and veins?
500 B.C.
What are the 4 blood types?
A, B, AB, O
________ of ___________ helps show a rough area of where blood originated from on a 2 dimensional scale.
Area of Convergence
What 4 things make up blood?
Plasma, Platelets, RBC, and WBC
What percent of the US population has Type B blood?
12%
Who discovered the Rh antigen, thus allowing us in the future to know if our blood is positive or negative?
Karl Landsteiner
This blood type has NO ANTIBODIES in its plasma....
AB
When calculating the angle of impact, i must divide ________ by _____________.
Width by length
What part of blood carries respiratory gases such as oxygen and carbon dioxode?
RBC - Red Blood Cells
Give me an example of an injury that would cause blood to move at a high velocity.
Answer May Vary
In 1874, Sir William Osler discovered _______________ in blood.
Platelets
What percent of the human population has an Rh factor?
85%
What happens to the size of a blood drop when the height at which it is dropped increases.
It increases/ Gets bigger
What kind of white blood cell is the most common?
Neutrophil
What color does Luminol turn when human blood is present?
Blue
Who demonstrated that HIV causes AIDS?
Dr. Robert Gallo
_____________ is a biological process where particles, like red blood cells or bacteria, clump together.
Agglutination
What chemical is used to reveal/detect human blood spatter?
Luminol
This component of blood functions to promote blood clotting
Platelets
What does the acronym ELISA stand for in an ELISA test?
(Enzyme-Linked Immunosorbent Assay)
What was Sir William Harvey known for noticing?
Continuous circulation within the blood
If only an A-antigen and Rh factor are present, what blood type is it?
A+
This blood spatter pattern is caused from blood exiting under pressure from an artery and striking a surface>
Arterial Gush
What kind of response occurs when white blood cells recognize a substance as foreign and try to destroy it.
Antigen-antibody
What is the symbol sin-1 called in math?
Arcsine/ Inverse Sine