NR283 Gas Exchange Exam with Questions and Answers

NR283 Gas Exchange Exam with Questions and Answers Does gas exchange occur in this part of the lungs? Trachea Diaphragm Alveoli Bronchioles ANSWER Trachea--gas exchange does not occur Diaphragm--gas exchange does not occur Alveoli--gas exchange occurs Bronchioles--gas exchange does not occur Which best describes the way oxygen and carbon dioxide move between the alveoli and capillaries? ANSWER Gases move from a high pressure and concentration to a low pressure and concentration. What do we already know about oxygen? Select all that apply. A. Oxygen is vital for cellular metabolism. B. Oxygen is exchanged for carbon dioxide in the lung alveoli. C. Hemoglobin is the transport vehicle for oxygen. D. Each hemoglobin molecule is limited by the amount of oxygen it can carry. E. Oxygen pressure is not used in the transfer of gases. F. Higher altitudes make oxygen exchange easier. ANSWER A, B, C, & D