GCU SCI220 Final Exam Questions &
Answers (Grade A+)
Blood stains are ________ during free fall because of __________. -
correct answer ✅Spherical; surface tension
What do blood droplets do during free fall? -
correct answer ✅They oscillate
Blood will stay ________ until it is acted on by a _________. -
correct answer ✅Spherical; force
If blood strikes a smooth surface, what type of satellite spatter will
it produce? -
correct answer ✅Very few
If blood strikes a rough surface, what type of satellite spatter will it
produce? -
correct answer ✅Lots of spatter
What is the relationship between force and spatter size? -
correct answer ✅They are inversely related (the more force
applied, the smaller the spatter)
,GCU SCI220 Final Exam Questions &
Answers (Grade A+)
Larger drops have a ________ mass -
correct answer ✅larger
Droplets with a larger size & mass can travel ___________ than
drops with a smaller size & mass. -
correct answer ✅Farther
How far can mist blood spatter travel? -
correct answer ✅Up to 4 feet
What are the 6 general features of blood stains? -
correct answer ✅1. Direction of orientation.
2. Angle of blood on surface impact.
3. Location/position of body during bleeding.
4. Movement of bleeding person.
5. Minimum number of blows administered.
6. Approx. location of person inflicting blows.
What are the three main types of blood stains? -
correct answer ✅Passive, Transfer, and Impact
, GCU SCI220 Final Exam Questions &
Answers (Grade A+)
What are passive blood stains? -
correct answer ✅Stains due to the force of gravity: drops, flows,
pools.
What are transfer blood stains? -
correct answer ✅Stains created when an object comes into
contact with the stains: swipe, wipe, pattern transfer.
What are impact blood stains? -
correct answer ✅Stains created when blood is projected through
the air as a result of force: gushes, spurts.
Which way does the pointed end of a blood stain face? -
correct answer ✅It faces the traveling direction.
What do distorted edges of blood stains indicate? -
correct answer ✅Indicate the direction of travel.
What would the angle of impact be for a perfect circular drop? -
correct answer ✅90 degrees.
Answers (Grade A+)
Blood stains are ________ during free fall because of __________. -
correct answer ✅Spherical; surface tension
What do blood droplets do during free fall? -
correct answer ✅They oscillate
Blood will stay ________ until it is acted on by a _________. -
correct answer ✅Spherical; force
If blood strikes a smooth surface, what type of satellite spatter will
it produce? -
correct answer ✅Very few
If blood strikes a rough surface, what type of satellite spatter will it
produce? -
correct answer ✅Lots of spatter
What is the relationship between force and spatter size? -
correct answer ✅They are inversely related (the more force
applied, the smaller the spatter)
,GCU SCI220 Final Exam Questions &
Answers (Grade A+)
Larger drops have a ________ mass -
correct answer ✅larger
Droplets with a larger size & mass can travel ___________ than
drops with a smaller size & mass. -
correct answer ✅Farther
How far can mist blood spatter travel? -
correct answer ✅Up to 4 feet
What are the 6 general features of blood stains? -
correct answer ✅1. Direction of orientation.
2. Angle of blood on surface impact.
3. Location/position of body during bleeding.
4. Movement of bleeding person.
5. Minimum number of blows administered.
6. Approx. location of person inflicting blows.
What are the three main types of blood stains? -
correct answer ✅Passive, Transfer, and Impact
, GCU SCI220 Final Exam Questions &
Answers (Grade A+)
What are passive blood stains? -
correct answer ✅Stains due to the force of gravity: drops, flows,
pools.
What are transfer blood stains? -
correct answer ✅Stains created when an object comes into
contact with the stains: swipe, wipe, pattern transfer.
What are impact blood stains? -
correct answer ✅Stains created when blood is projected through
the air as a result of force: gushes, spurts.
Which way does the pointed end of a blood stain face? -
correct answer ✅It faces the traveling direction.
What do distorted edges of blood stains indicate? -
correct answer ✅Indicate the direction of travel.
What would the angle of impact be for a perfect circular drop? -
correct answer ✅90 degrees.
