The characteristic of Emphysema is: a. increase in number of alveoli b. thickness of alveolar wall c. dilation of alveoli d. formation of granulomas The lab instructor asks you to "at the end of a quiet inspiration, take in as much additional air as you possibly can". This additional volume you inspire above the tidal volume represents: a. expiratory reserve volume b. inspiratory reserve volume c. inspiratory capacity d. vital capacity e. residual volume In this week's lab, a spirometer is used to measure a. CO2 concentration b. Partial pressure of CO2 c. Diaphragm EMG d. Ribcage movement e. air flow and volume A patient's blood work shows the following arterial blood values: pH 7.57, PaCO2 43, HCO3- 28. Based on these he is most likely suffering from: a. metabolic acidosis b. metabolic alkalosis c. respiratory alkalosis d. respiratory acidosis