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Across
  1. 5. this is a factor that affects vital capacity
  2. 7. this is the maximum amount of air that can be moved by the lungs in one breath, and is measured by taking a deep breath and expiring all air possible from the lungs
  3. 8. as a precaution of using a spirometer the soda lime used must be ____
  4. 9. as a precaution of using a spirometer the mouth piece must be _______
  5. 10. another factor that affects vital capacity
  6. 12. this cannot be measured, and is the volume of air that remains in lungs after forced expiration. approx 1.5dm3
  7. 13. the water chamber must not be overfilled, and there must be no air leaks in apparatus of the spirometer as a _______
  8. 14. this is a device used to measure lung volumes. it is a float chamber spirometer consists of a chamber of air or medical grade oxygen floating on a tank of water. it measures the movement of air in and out of the lungs as a person breathes., bc one expiration occurs, the lid is raised. but when inspiration occurs lid goes down. this is recorded on a datalogger to form a trace
  9. 15. this is the volume of air moved in and out with each breath during rest. usually 0.5dm3 at rest for adults
  10. 16. this is the volume of oxygen absorbed by the lungs in one minute
Down
  1. 1. the level of this affects vital capacity
  2. 2. number of breaths per minute
  3. 3. before using a spirometer you must ensure the subject is _____
  4. 4. increased breathing rate and deeper breaths are _____ of oxygen uptake
  5. 6. this is the sum of vital capacity and residual volume
  6. 11. this is another factor that affects vital capacity
  7. 14. found in the spirometer which absorbs CO2 which is exhaled passed the chamber of ____ ____.