Bloodstain Pattern Analysis Quiz

What is the purpose of wearing protective gear at a crime scene?

• To prevent contamination of the crime scene

• Both A and B

• To protect oneself from bloodborne pathogens

• None of the above

What is the main factor that affects the appearance of bloodstain patterns?

• The temperature of the blood

• The angle at which the blood is dropped

• The surface on which the blood strikes

• The type of blood used

What are satellite stains?

• Stains that are created by pooling of blood

• Stains that are caused by movement

• Stains that are created without any external force

• Stains that come off a parent stain

What is the purpose of analyzing transfer patterns?

• To determine the direction of blood flow

• To identify the type of weapon used

• To establish a link between the victim and suspect

• To calculate the angle of impact

What is the term used to describe the effect of movement on bloodstains?

• Feathering

• Pooling

• Scalloping

• Saturation

What type of bloodstain pattern is created by the force of a bullet passing through a person?

• Impact spatter

• Forward spatter

• Back spatter

• Flow pattern

What is the purpose of calculating the area of convergence?

• To determine the source of the blood

• To analyze the angle of impact

• To establish the timeline of events

• To identify the type of force applied

How can the angle of impact of a bloodstain be calculated?

• By measuring the length and width of the stain

• By dividing the length of the stain by the width

• By using the tangent of the length and width

• By measuring the distance from the stain to the area of convergence

What does the presence of passive stains underneath clothing indicate?

• The bloodstains were caused by movement

• The bloodstains were already dry when the clothing was placed

• The clothing was placed after the bloodstains

• The clothing was placed before the bloodstains

What is the purpose of wearing goggles and a hood during bloodstain pattern analysis?

• To protect the eyes and head from blood splatter

• To prevent contamination of the crime scene

• To create a professional appearance

• To enhance visibility of the bloodstains