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Unformatted text preview: 2 . 3. In a person with COPD – name one change you expect to see in their pulmonary function test value (spirometry) versus healthy subject and why? (2). They may have an increased residual volume because of the hyperinflation of their lungs. 4. Describe difference between DRG and VRG in terms of location and function? (2 pts) The DRG is located dorsally near the root of cranial nerve IX, and the VRG extends in the ventral brain stem from the spinal cord to the ponsmedulla junction. The VRG is a rhythm generating and integrative center. It does this by stimulating and relaxing the diaphragm and external intercostal muscles. The DRG integrates input from peripheral stretch and chemoreceptors and communicates this information to the VRG....
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This note was uploaded on 04/29/2008 for the course HES 350 taught by Professor Brubaker during the Spring '08 term at Wake Forest.
- Spring '08