Circulatory System

Rank the following blood vessels in order of their average pressure, from highest to lowest:

• Capillary > arteriole > venule > artery > vein > aorta

• Aorta > artery > arteriole > capillary > venule > vein

• Capillary > vein > venule > arteriole > artery > aorta

• Aorta > arteriole > venule > artery > vein > capillary

What vessels carry deoxygenated blood away from the heart?

• Pulmonary artery only

• Coronary arteries only

• Neither coronary arteries or pulmonary artery

• Both coronary arteries and pulmonary artery

What is the correct path through the circulatory system which describes the passage of blood originating in the left leg?

• Vena cava → left atrium → left ventricle → lungs → right atrium → right ventricle → aorta

• Vena cava → left atrium → right atrium → lungs → left ventricle → right ventricle → aorta

• Vena cava → right atrium → right ventricle → lungs → left atrium → left ventricle → aorta

• a) Vena cava → right atrium → left atrium → lungs → right ventricle → left ventricle → aorta

Which type of blood vessel has a 'pulse'?

• Artery

• Vein

• Capillary

• None of the above

Which type of blood vessel has valves inside?

• Artery

• Vein

• Capillary

• None of the above

Which valve prevents blood flowing back into the left atrium from the left ventricle?

• The Pulmonary valve

• The Bicuspid valve or Mital valve

• The Tricuspid valve

• The Aortic valve

Where is the sinoatrial node located?

• left atrium

• right ventricle

• the apex of the heart

• right atrium

Write two causes of Heart failure.

Why is it difficult to breathe if you have left heart failure?

What are the three main causes of a heart attack or miocardial infarction?