Daily questions for Session 7

  1. Why do people develop deep vein thrombosis on long air trips?
  2. An athlete is told that the use of erythropoetin could enhance their performance. Why could it have this effect and what types of athletes would benefit from its use?
  3. What is the normal path followed by electrical activity across the heart and why is it important?
  4. Heart murmurs indicate damage to heart valves. How could heart murmurs be produced? What effect would the valve damage have on heart function? Would you expect to see evidence of valve damage on any ECG?
  5. If you were asked to design a structure that maximise the amount of diffusion what design principles would you include?
  6. People with emphysema experience irreversible destruction of their alveoli. What effect would this have on the delivery of oxygen to the blood and how could you overcome this problem?