describe the mechanics of breathing (quiet and forced)

2.Describe the mechanisms involved in inspiration and expiration.

34. Sympathetic stimulation of the respiratory system cause _________ of the airway.     no change in diameter     constriction     dilation     all of the above

29. Expired or exhaled air will passed from "4" to ____________.       trachea     larynx     primary bronchus     lungs

3. What is an inhalant? What are the effects and health hazards of inhalants?

7. What is the pressure of oxygen within the alveoli at the peak of inspiration, just before expiration, relative to that of atmospheric air? Less than atmospheric air The same as atmospheric air Greater than atmospheric air 8. Where are the central chemoreceptors located (the ones involved with regulating respiratory drive)? Hypothalamus Cerebral cortex Brain stem Spinal cord

6. Determine at least three methods for evaluating the effectiveness of a manual ventilation.