Level 2 Anatomy and Physiology - The Cardiorespiratory syste

From which structure in the Cardiorespiratory system, does the left atrium receive blood from?

• Aorta
• Pulmonary vein
• Vena cava
• Pulmonary artery

Which of the following is a key function of the pulmonary vein?

• To take de-oxygenated blood from the working muscles to the heart 
• To take oxygenated blood from the heart to the working muscles
• To take oxygenated blood from the lungs to the heart
• To take de-oxygenated blood from the heart to the lungs

The left ventricle pumps blood to the body via which of the following structures?

• Aorta
• Pulmonary vein
• Vena cava
• Pulmonary artery

Which of the following is a key function of the Vena cava?

• To take de-oxygenated blood from the working muscles to the heart 
• To take oxygenated blood from the heart to the working muscles
• To take oxygenated blood from the lungs to the heart
• To take de-oxygenated blood from the heart to the lungs

What is meant by the term 'Cardiac output'?

• The amount of air exhaled per breath
• The amount of blood pumped from the heart per minute
• The amount of blood pumped from the heart per beat
• The amount of air exhaled per minute

Which of the following is a key function of Red blood cells?

• Transport actin
• Transport Oxygen
• Transport myosin
• Transport helium

Which of the following is correct when relating to the diaphragm during Inspiration?

• It relaxes and moves upwards
• It contracts and moves upwards
• It relaxes and moves downwards
• It contracts and moves downwards

Which of the following is the correct passage of air during inspiration?

• Larynx, pharynx, bronchus, bronchioles, trachea, alveoli 
• Larynx, pharynx, trachea, bronchus, bronchioles, alveoli 
• Pharynx, larynx, trachea, bronchus, alveoli, bronchioles
• Pharynx, larynx, trachea, bronchus, bronchioles, alveoli 

Which of the following chambers of the heart has thicker muscular walls, in order to pump at high pressure?

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

Which of the following best describes the location of the heart?

• Posterior to the sternum, just to the left of the centre
• Anterior to the sternum, just to the left of the centre
• Anterior to the lungs, just to the right of the sternum 
• Posterior to the sternum, just to the right of the centre