CHS 370 Pulmonary CW - Jennifer Morgan

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Across
  1. 2. During exercise, we _______ oxygen and release carbon dioxide at the tissue.
  2. 3. Carbon dioxide provides the chemical basis for ventilatory _______ by stimulating the brainstem.
  3. 4. During strenuous exercise, there is an increase in ________ ventilation relative to perfusion causing the V/Q ratio to approach one.
  4. 6. During exercise, blood flow can triple in ________ beds as compared to blood flow at rest to accommodate a need for greater gas exchange and maintain pressure gradients.
  5. 7. During heavy exercise, there can be as much as a ________ -fold increase in the quantity of oxygen being transferred. (Hint: write out the number).
  6. 9. The cilia just above the fluid surface in the lungs beat debris and mucus along the _________ escalator.
  7. 12. During exercise, there is a greater need of efficient movement of the _______, rib cage and abdominals.
  8. 14. Maximal _________ pressure normally occurs when lung volumes are low, at the end of a normal tidal exhalation or FRC.
  9. 17. The larges blood supply of any organ goes to the lungs, specifically the ________.
  10. 18. The volume in the lungs at the end of a normal tidal exhalation is called ______ residual capacity.
  11. 20. Helps skeletal muscle to continue to work when the partial pressure of oxygen becomes very low.
Down
  1. 1. Maximal exercise ________ blood transit time through the pulmonary capilaries but there is still adequate aeration.
  2. 4. During sleep, we move to prevent __________ or airlessness in the lungs.
  3. 5. A technique which measures lung volumes which applies Boyle's law.
  4. 8. Movement of blood through the lungs is called _________.
  5. 10. The flow in peripheral airways is characterized as being ________ to allow for diffusion.
  6. 11. 2,3-DPG _______ the affinity of hemoglobin for oxygen.
  7. 13. The portion of alveolar volume with inadequate V/Q matching is called _______ dead space.
  8. 15. Gas exchange in the lungs can be continuous because they lungs have a great deal of interdependent and __________ features.
  9. 16. The type of muscle that has a greater amount of myoglobin.
  10. 19. The presence of hydrogen ions in contracting muscle produces a Bohr effect, causing hemoglobin to ________ oxygen.