Forensic Bloodstain Analysis Quiz

Test your knowledge on bloodstain pattern analysis with these 18 questions covering factors, patterns, and techniques.

#1

Which of the following is not a factor affecting the size and shape of a bloodstain?

Surface texture of the target
Angle of impact
Speed of the victim
Height of the fall
#2

Which blood type is considered the universal donor?

A
B
AB
O
#3

What does the term 'spatter' refer to in bloodstain pattern analysis?

A large pool of blood
Bloodstains resulting from a gunshot wound
Bloodstains with a diameter greater than 4 mm
Bloodstains with a variety of shapes and sizes resulting from the application of force
#4

Which of the following factors does NOT affect the appearance of bloodstains?

Velocity of the blood
Texture of the surface
Temperature of the environment
Color of the blood
#5

What is the term for bloodstains caused by the force of gravity acting alone?

Projected stains
Transfer stains
Passive stains
Spatter stains
#6

Which of the following is NOT a component of blood that can be analyzed for forensic purposes?

Red blood cells
White blood cells
Plasma
Cholesterol
#7

What type of bloodstain pattern is typically produced when a blood droplet strikes a surface at an angle of approximately 90 degrees?

Passive drop
Arterial spurting
Cast-off
Impact spatter
#8

In bloodstain pattern analysis, what does the term 'satellite spatter' refer to?

Secondary drops of blood that are separate from the main bloodstain
Bloodstains produced from arterial injuries
Bloodstains that exhibit scalloped edges
Bloodstains resulting from high-velocity impacts
#9

Which of the following is NOT a category of bloodstain pattern?

Transfer stains
Expiration patterns
Projected patterns
Contact patterns
#10

What is the term for the process by which bloodstains are transferred from one surface to another?

Satellite staining
Direct transfer
Secondary spattering
Wiping motion
#11

Which of the following factors can affect the shape of a bloodstain?

Wind speed
Humidity
Surface texture
All of the above
#12

What does luminol react with to produce a luminescent blue glow?

Hemoglobin
DNA
Iron
Chlorophyll
#13

Which of the following is NOT a method for enhancing bloodstains at a crime scene?

Luminol
Bluestar
Fluorescein
Hemoglobin analysis
#14

In bloodstain pattern analysis, what is the term for a bloodstain resulting from the acceleration of blood out of an injury?

Expiration pattern
Projected pattern
Cast-off pattern
Arterial spurting
#15

Which of the following is a characteristic feature of high-velocity impact spatter?

Large stains with irregular edges
Fine mist-like droplets
Scalloped edges
Transfer stains
#16

Which of the following bloodstain patterns is characteristic of a victim being struck multiple times in rapid succession?

Cast-off
Arterial spurting
Expirated blood
Multiple impact spatter
#17

In bloodstain pattern analysis, what is the term for a bloodstain resulting from blood dripping into other blood?

Satellite stain
Contact stain
Transfer stain
Passive drop
#18

What is the term for a bloodstain pattern resulting from the movement of an object through a preexisting bloodstain?

Wipe stain
Swipe pattern
Transfer stain
Secondary spatter

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