Blood Spatter

Identify the pattern

• high velocity
• splash
• void
• low impact angle

What blood spatter pattern is seen in the photo?

• Flow Pattern
• Arterial Spurt
• Medium Velocity Impact Spatter
• Multiple Drip 

What type of surface would the drops below be found?

• nonporous surface
• porous surface
• low impact angle
• very low height

Which one of these was dropped from the biggest angle?

• 1 (top left)

• 4 (top right)

• 2 or 3

• 9 (bottom right)

Which one of these was dropped from the smallest angle?

• 1 (top left)
• 4 (top right)
• 7 (bottom left)
• 2

Based upon this picture, what test was done to determine whether or not a stain was blood (the picture shows a positive and negative test). 

• Kastle-Meyer presumptive blood test
• Leukomalachite green presumptive blood test
• Luminol presumptive blood test

Tags

NGSS.MS-PS1-2