Major Components of Blood

Which component of blood is responsible for clotting?

• thrombocytes
• erythrocytes
• leukocytes
• plasma

Fluid portion of blood that dissolves and carries materials in the blood.

• erythrocytes
• leukocytes
• plasma
• thrombocytes

This part of blood helps it clot, when you get cut.

• Red blood cells
• Plasma
• Platelets
• White blood cells

These blood cells deliver oxygen to the parts of the body.

• Red
• White
• Patelets
• Plasma

_______ is made mostly of water and makes up about 55% of the blood

• Plasma
• Platelets 
• Red blood cells
• White blood cells

What part of blood is responsible for fighting infections?

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

What shape are the Red Blood Cells under a microscope?

• Columnar

• Doughnut

• Triangular

• Irregular shaped

Which of the following is true about platelets?

• Can seal blood vessel breaks

• Smallest of the blood components

• All of these are true.

What color is plasma when it is separated from the other components of blood?

• red

• blue

• pale yellow

• clear

A persistent clot in an unbroken blood vessel is known as _______

• a thrombus
• an embolus
• hemophilia
• leukopenia