The nurse uses an understanding of which physiologic process to explain why the patient feels out of breath at high altitudes?

The patient complains of severe fatigue and joint pain. Upon assessment, the nurse notes the patient’s skin is bronzed. Which of the following physical assessments is most important?

The patient presents to the emergency department (ED) with significant respiratory distress. Decreases in which patient characteristics support a diagnosis of restrictive pulmonary disease? Select all that apply.