NURS 6501 Chapter 8: Pathophysiology Exam Study Guide Walden University

Aerobic metabolism With oxygen By products are heat, CO2, and water produces 36 ATP hypercapnic drive control of breathing regulated by the level of carbon dioxide in the blood (normal) Person who needs to use accessory muscles may already be experiencing lack of oxygen delivery and energy production What creatives negative pressure in pleural cavity? thoracic cage pulls outward natural tendency of lung to recoil and pull inward Carbon Monoxide disrupts the ability of the blood to carry oxygen Cyanide interferes with oxygen use by cells Partial Pressure of Gases in Ambient Atmosphere 79 percent nitrogen 21 percent oxygen Carbon dioxide .03 percent Initial steps of metabolism takes place in the ___ and is called ___ cytosol glycolysis Sodium-potassium pump When the concentration of sodium in the cell is too high, potassium cannot enter, and the cell cannot function. pump attracts sodium ions from inside the cell 1 phosphate detaches from ATP and attaches to the pump on lipid bilayer. The phosphate closes the pump on the extracellular side and releases the sodium ions from the cell potassium ions from outside the cell enter the pump and the phosphate detaches sodium ions from inside the cell are pumped against their gradient in exchange for potassium ions Increase in metabolism results in increased ___ respiratory rate After glycolysis, respiration continues in what part of the cell mitochondria The Sodium-Potassium Pump uses ATP Anerobic metabolism without oxygen byproduct is lactic acid