Which phrase most closely characterizes a person's sense of self?

a person's thoughts and feelings about himself or herself

a person's beliefs about his or her actions

a person's perception of his or her relationship to others

a person's personal world view

Which of the following are considered general purposes of performing pulmonary function tests (pfts)? 1. the functional status of the lungs 2. the diffusion characteristics of the alveolar-capillary membrane 3. how much and how fast gas can be moved into and out of the lungs 4. the specific diagnosis of pulmonary disease