MDC 3 EXAM 2: Multidimensional Care 111 Exam 2: Questions & Answers: Updated A+ Guide Solution

Document Content and Description Below

Which assessment finding for an older adult patient does the nurse ascribe to the natural aging process? A. Tightening of the vocal cords B.Decrease in residual volume C.Decrease in the anteroposte... rior diameter D.Decrease in respiratory muscle strength (Ans-D. As a person ages, vocal cords become slack, changing the quality and strength of the voice; the anteroposterior diameter increases; respiratory muscle strength decreases; and the residual volume increases. The nurse knows that under normal physiologic conditions of tissue perfusion, a patient will have what percent of oxygen dissociate from the hemoglobin molecule? A.25% B.50% C.75% D.100% ANS: B Oxygen dissociates with the hemoglobin molecule based on the need for oxygen to perfuse tissues. Under normal conditions, 50% of hemoglobin molecules completely dissociate their oxygen molecules when blood perfuses tissues that have an oxygen tension (concentration) of 26 mm Hg. This is considered a "normal" point at which 50% of hemoglobin molecules are no longer saturated with oxygen. Which assessment finding does the nurse interpret that is associated most closely with lung disease? A.Cough B.Dyspnea C.Chest pain D.Sputum production ANS: A [Show More]

Last updated: 2 months ago

Preview 1 out of 41 pages