The answer is tertiary prevention. It is a level of the preventive medicine dealing with helping the people in rehabilitation as well as the return of the patient to his or her maximum status as well as usefulness with small risk of recurrence.
Answer: 160 mm HgTherefore, the partial pressure of oxygen is: PO2 = (760 mm Hg) (0.21) = 160 mm Hg, while for carbon dioxide: PCO2 = (760 mm Hg) (0.0004) = 0.3 mm Hg.
