Therefore, when a person is at rest, no effort is needed to breathe out. During vigorous exercise, however, a number of muscles participate in exhalation. The abdominal muscles are the most important of these. Abdominal muscles contract, raise abdominal pressure, and push a relaxed diaphragm against the lungs, causing air to be pushed out.
Another difference to consider when looking at a nurse practitioner vs physicians assistant career is the areas of specialization that are available. NPs can work in many different and diverse areas, such as geriatrics, mental health, pediatrics and womenâs health.
Discover the difference between a nurse practitioner and a physician assistant. Find out job duties and education requirements, along with salary information. View article Â». View 10 Popular Schools Â». An error occurred trying to load this video. Try refreshing the page, or contact customer support.