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.
What does a Physician Assistant do? Under the supervision of a physician, a physician assistant provides high-quality health care services to patients and to the community. Their job description is as diverse as their supervising physician, and their role is regarded as critical to any health care team. They have a variety of responsibilities and duties that include: seeing patients.