Forensic Science - Blood

What is the function of red blood cells?

• carry oxygen
• fight infection
• aid in clotting
• carry hormones

What is the function of platelets?

• carry oxygen
• fight infection
• aid in clotting
• carry hormones

What determines blood type?

• Proteins on red blood cells
• Proteins on white blood cells
• Proteins in the plasma
• Proteins on platelets

If a blood cell is A-, what type of proteins are present?

• Only A proteins
• Only Rh proteins
• Both A and Rh proteins
• Neither A nor Rh proteins

What proteins are present in type O- blood cells?

• Only A proteins
• Only B proteins
• Only Rh factor proteins
• None of these proteins

What part of blood is responsible for fighting infections?

• Red Blood Cells
• White Blood Cells
• Platelets
• Plasma

What type of blood can receive any type of blood?

• A
• B
• AB
• 0

What blood type is the "universal donor" because it can be donated to anyone?

• A
• B
• AB
• O

Tonia looked closely at her blood typing plate and sees no agglutination in any of the wells.  Her blood type is O-.

• True
• False

The intersection of straight lines through the long axis of several individual bloodstains in an impact spatter pattern illustrates the ___________ of the pattern: 

• void pattern 
• velocity classification 
• area of origin 
• area of convergence