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Laabri

Chapter 8 Section #4 Worksheet

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Last updated over 4 years ago
18 Nsɛmmisa
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1.

Which image is showing a blood drop hitting at 90 degrees?

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2.

Which image is showing a blood drop hitting at 10 degrees?

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3.

Arterial spurts or gushes typically found on walls or ceilings are caused by the pumping action of the ____________.

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4.

_________________ velocity—the greatest speed to which a free falling drop of blood can accelerate in air. It is dependent upon the acceleration of gravity and the friction of the air against the blood—approximately 25.1 feet/second.

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5.
Draggable itemarrow_right_altCorresponding Item

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passive fall

pools

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arterial gushes

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smears

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trails

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pools

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splashes

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6.

When a blood drop is ____________ (longer than it is wide), it is possible to

determine the direction the blood was traveling when it struck a surface.

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7.

As moving blood strikes a surface, several forces affect the droplet of

blood. These forces are cohesion, _______________, and surface tension.

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8.

______________________ is an elastic characteristic along the outer edge of a liquid caused by the attraction of like molecules.

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9.

_______________________ tends to keep the blood moving in the direction it was traveling.

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10.

The location of the source of blood can be determined if there are at least __________ drops of blood spatter.

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11.

Calculate the angle at which the follow blood drop hit the surface from the picture below.

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12.

Calculate the angle at which the follow blood drop hit the surface from the picture below.

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13.

Calculate the angle at which the follow blood drop hit the surface from the picture below.

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14.

When there are numerous blood spatters, the area where the lines of _________________ meet is where the source of blood originated.

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15.

Splashes are shaped like ________________ points.

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16.

What type of blood pattern is pictured?

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17.

Size of blood drop and velocity

Draggable itemarrow_right_altCorresponding Item

4-6 mm

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high velocity

less than 1 mm

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medium velocity

1-4 mm

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low velocity

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18.

Are you ready for spring break?