Blood consists of 45% cells and 55% ...

• platelets

• plasma

• proteins

• lipids

The Rh factor antigen is represented by this symbol

• +

• X

• O

• A

Blood spatter PATTERNS can determine the weapon used & the body position but CANNOT determine...

• type of injury

• nature of the attack

• blood type

• none of these are correct

Which of the following images best represents a TRANSFER bloodstain pattern?

• 
• 
• 

Both A and B antigens are found in...

• type A

• Type AB

• Type B

• Type O

Tags

NGSS.HS-LS3-1

Which of the following angles results in a circular blood drop?

• 90 degrees

• 15 degrees

• 30 degrees

• 120 degrees

Starting at about 30 degrees, a blood drop will develop what feature?

• circular shape

• color change

• tail

Blood type is what type of forensic evidence?

• class

• individual

Calculate the impact angle of the bloodstain. The width of the bloodstain is 11.5 mm and the length is 13mm.

• 88.5 degrees

• 1.5 degrees

• 62.2 degrees

• 1.9 degrees

Blood drops have a ______________ shape as they travel through the air.

• circle

• ellipse

• sphere

• teardrop