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Exam 8: Blood and Blood Spatter

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Question 1

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Given blood spatter patterns, it is possible to determine the direction the blood was traveling, the angle of impact, and the point _________________________________________.

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of origin ...

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Question 2

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Each blood type is determined by:

A) a DNA reaction test.
B) an antibody reaction test.
C) a protein reaction test.
D) a RF factor reaction test.

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Question 3

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In 1940, Alexander Weiner, working with Rhesus monkeys, noticed another type of red cell protein.This red cell protein, called RH factor, is on the red blood cells of:

The presence or absence of particular proteins, found embedded within a cell or plasma membranes of red blood cells, determines a person's:

Blood is the circulating tissue consisting of two types of cells: red blood cells and platelets.

Red blood cells:

A medium-velocity-sized blood splatter (1 to 4 mm) is caused by __________________________________.

If any of the blood does overcome cohesion and separate from the main droplet of blood, it will form small secondary droplets known as ________________________________.

Sir William Osler discovered platelets in 1874.

The attraction between molecules of unlike substances (like blood and ceiling tile) is called ______________________________.

The three components of blood, red blood cells, white blood cells, and platelets, are carried throughout the body in:

The immune system functions to protect our bodies by identifying cells or molecules that are foreign, such as:

In 1728, Sir William Harvey determined that there was a continuous circulation of blood within the body.

What term describes the clumping of red blood cells?

The presence or absence of antigens on white blood cells determines a person's blood type.

Blood typing is less expensive and quicker for analyzing blood evidence than DNA profiling.Since many different people share the same type, this blood evidence is considered to be:

Of the four main human blood types using the ABO system, the largest percentage of the U.S.population is made up of:

A and B proteins are found on the surface of some red blood cells.If a person's blood contains both the A and the B proteins, then he or she has:

If blood lands on a porous surface, such as wood or ceiling tile, then the edge of the drop of blood may form extensions or small ___________________________.

Today blood splatter evidence is used to explain events: