lab_6_discussion

lab_6_discussion - iscussionQuestions D Laboratory...

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Discussion Questions                                                                                                                                   Laboratory       Exercise 6 1) volume of air entering and leaving the lung with each normal breath, IRV: Additional volume  of gas that can be inhaled above TV during a forced maximal inspiration, ERV: additional  volume of gas that can be expelled from the lungs beyond TV during a forced maximal  expiration, RV: Volume of gas left after a maximal forced expiration, VC: Vital capacity,  Total lung capacity: total volume of air in the lungs after a maximal inspiration. Define each  of these lung volumes and capacities. Diaphgragm contracts and is innervated by the  phrenic nerve. Expiration, forced inspiration contract the muscle of the abdominal wall and  forced expiration; Rib cage is recruited more. More intercostals nerve activity. Describe the  mechanics of inspiration, expiration, forced inspiration and forced expiration (and relate  these activities to the previously mentioned lung volumes).  Explain why air enters the lungs  during inspiration (more intercostals nerve activity causing ribcage to expand more)  and  exits the lungs during expiration.  2) Let’s say you sat at the bottom of a 10-foot deep swimming pool and attempted to breathe 
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This note was uploaded on 06/24/2010 for the course NPB 101L taught by Professor Goldberg during the Spring '08 term at UC Davis.

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lab_6_discussion - iscussionQuestions D Laboratory...

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