Try It
Complete the lesson review. Choose the correct answer for the questions about blood spatter.
- _____ focuses on the physical properties of blood and the patterns that blood produces when different forces are applied to the blood.
- Satellite spatter
- Blood typing
- DNA analysis
- Blood spatter analysis
Answer: D. Blood spatter analysis focuses on the physical properties of blood and the patterns that blood produces when different forces are applied to the blood. - What can be reveal to forensic scientists when they examine blood spatter?
- Number of shots to the victim.
- Possible weapon used.
- Direction the blood came from.
- All of these
Answer: D. Forensic scientists can determine the following from examining the blood spatter: number of shots or blows to the victim, what type of weapon was used, and where the blood came from. - The first, main blood droplet that strikes a surface is known as the:
- spines
- parent drop
- blood drop angle
- satellite spatter
- From the parent drop, small drops can break off and create _____ that can tell blood analysts what direction the blood is traveling.
- another parent drop
- tail drops
- satellite spatters
- spines
- When a drop strikes a surface, _____ can radiate out from the parent drop and tell what direction the blood is traveling.
- spines
- parent drops
- teardrops
- satellite spatters
Answer: A. When a drop strikes a surface, spines can radiate out from the parent drop and tell what direction the blood is traveling. - Which of the following does not affect the shape of a blood droplet?
- the size of the droplet
- height the blood drop falls from
- the angle from which the blood came
- the time it hits a surface
Answer: D. The time it hits a surface does not affect the shape of a blood droplet.
Answer: B. The first, main blood droplet that strikes a surface is known as the parent drop.
Answer: C. From the parent drop, small drops can break off and create satellite spatter that can tell blood analysts what direction the blood is traveling.
