PCCN ABG Interpretation Exam Questions and Answers 100% Pass

PCCN ABG Interpretation Exam Questions and Answers 100% Pass ABG Normal Values - Correct Answer ️️ -PaO2 (amount of O2 in plasma) 80-100 pH 7.35-7.45 PaCO2 35-45 HCO3 (bicarb) 22-26 SaO2 (O2 bound to Hgb) >95% Base excess (amount of base present in blood) -2 - +2 Respiratory Acid Base Regulation - Correct Answer ️️ --Normal PaCO2: 35-45 -done by ventilation (inspiration/expiration) and diffusion (movement of gases) Respiratory Acidosis - Correct Answer ️️ -pH < 7.35 PaCO2 > 45 Respiratory Acidosis: causes - Correct Answer ️️ --Respiratory depression (over sedation, overdose, head injury) -Decreased ventilation -Neuromuscular disease [Polio, Myasthenia gravis, Guillain Barre, or mechanical ventilation (hypoventilation)] -Altered diffusion (pulmonary edema, severe atelectasis, pneumonia, COPD) -Other (chest wall trauma, spinal cord-brain trauma