PE unit 1 AOS 2

Which of the following divides the heart into two pumps?

• The septum

• The tricuspid valve

• 
  The bicuspid valve

• The mitral valve

Which of the following has the thickest wall?

• 
  Artery

• Capillary

• Vein

• 
  Capillary and vein

In which part of the body does venous pooling occur?

• 
  Head

• 
  Hands

• 
  Legs

• Ears

What is the primary function of red blood cells?

• To regulate body temperature

• To clot blood

• To transport oxygen

• To fight infections

Which chamber of the heart receives oxygenated blood from the lungs?

• Right ventricle

• Left atrium

• Right atrium

• Left ventricle

What is the main component of plasma in the blood?

• Proteins

• Salts

• Glucose

• Water

Is the following statements as true or false: Systemic circulation is initiated when the contraction of the left ventricle pushes oxygenated blood into the aortas.

• True

• False

Blood plasma makes up 45 per cent of blood volume.

• True

• False

What is the role of white blood cells in the body?

• To transport oxygen

• To carry nutrients

• To fight infections

• To regulate blood pressure

Which blood vessel carries oxygenated blood away from the heart?

• Vein

• Venule

• Artery

• Capillary