Forensics revision

What is the structure of red blood cells (erythrocytes)?

• Variable, but white in color

• Small fragments of cells

• Liquid; mainly water

• Biconcave discs without a nucleus

Which blood component is described as "small fragments of cells"?

• Red blood cells

• White blood cells

• Platelets

• Plasma

What are some components of plasma?

• Oxygen

• Glucose

• Water

• Hormones

• Carbon dioxide

Which blood type is considered the universal donor?

• A

• B

• AB

• O

What antibodies are present in the plasma of Group A blood?

• Anti-A

• Anti-B

• Anti-AB

• None

Which blood group has no antigens in the red blood cells?

• Group A

• Group B

• Group AB

• Group O

Which blood group has both A and B antigens?

• Group A

• Group B

• Group AB

• Group O

Which blood component is primarily responsible for clotting?

• Red blood cells

• White blood cells

• Platelets

• Plasma

What is the primary function of white blood cells?

• Transport oxygen

• Fight infections

• Clot blood

• Carry nutrients

What is the function of lymphocytes?

• Transport oxygen

• Release antibodies

• Clot blood

• Engulf and digest pathogens