Medsurg Complex - Exam 3 Study Guide questions with correct answers

When collecting an ABG what test is performed before using the radial artery - Answer Allen's Test, we want to make sure the ulnar artery has proper circulation before using the radial artery. What are the normal values for pH, PCO2, HCO3 - Answer pH: 7.35 - 7.45 PCO2: 35 - 45 HCO3: 22 - 26 Is CO2 an acid or base - Answer CO2 is an acid What system helps control CO2 - Answer Lungs typically remove CO2, KIdneys may use HCO3 to absorb excess CO2 Is HCO3 and acid or base - Answer HCO3 is a base. This is our body's "buffer" system. What system helps control the release of HCO3 - Answer The kidneys regulate how much bicarbonate is released into the blood or excreted in urine. How does the body compensate for Acid - Answer We increase our respiratory rate (lungs) and speed up the release of acid (CO2). Our Kidneys dump HCO3 into the blood to absorb the acid. How does the body compensate for Base/Alkaline - Answer Slow our respirations (lungs), which decreases CO2 (acid) release. Our kidneys excretes HCO2 into the urine to get rid of the base.