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Chapter 8 Section #4 Worksheet

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Last updated over 4 years ago
18 questions
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Question 1
1.

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

Question 2
2.

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

Question 3
3.

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

Question 4
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.

Question 5
5.
Draggable itemarrow_right_altCorresponding Item
arrow_right_alt
passive fall
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arterial gushes
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smears
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trails
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pools
pools
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splashes
Question 6
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.

Question 7
7.

As moving blood strikes a surface, several forces affect the droplet of
blood. These forces are cohesion, _______________, and surface tension.

Question 8
8.

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

Question 9
9.

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

Question 10
10.

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

Question 11
11.

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

Question 12
12.

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

Question 13
13.

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

Question 14
14.

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

Question 15
15.

Splashes are shaped like ________________ points.

Question 16
16.

What type of blood pattern is pictured?

Question 17
17.

Size of blood drop and velocity

Draggable itemarrow_right_altCorresponding Item
less than 1 mm
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high velocity
1-4 mm
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medium velocity
4-6 mm
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low velocity
Question 18
18.

Are you ready for spring break?