C. Lung Mechanics (cont) 



8. Inspiratory and Expiratory Flow Rates at 15%, 50°L, and 15% of 



Vital Capacity During the Forced Vital Capacity Maneuver 



9. Dynamic Pulmonary Compliance During Tidal Breathing 

 10. Static Pulmonary Compliance 



D. Lung Diffusion 



1. Single Breath Diffusing Capacity of the Lung for Carbon Monoxide 

 Ventilation and Respiration Studies 



A. Ventilation 



1. Minute Ventilation Vg at Rest and Exercise 



2. Tidal Volume Vq; at Rest and Exercise 



3. Breathing Frequency at Rest and Exercise 



4. Minute Ventilation as a function of PcOo with Both N2 and He Used 



as Dilutent Gas with Subjects Resting Supine 



5. End Tital P^q, and Pg at Rest Only 



B. Blood Gas and Acid Base Parameters Measured at Rest and During 

 Exercise 



1 • Pa^ 

 ^02 



^- ^aC02 



3. pH 



4. Hemoglobin Concentration 



5. Hemoglobin Oxygen Saturation 



6. Base Excess 



7. Buffer Base 



C. Heart Rate and Body Temperature 



1. Diving Exercise 



Blood Cellular, Blood Chemistry, Fluid Volume, Immunological, and Endocrine 

 Factors 



A. Hematology and Isotopic Fluid Volimie Studies 



1. Hematocrit 7. Photomicroscopy of Cells 



2. Hemoglobin and Methemo- 8. Platelet Counts 



globin 9. Red Cell Mass (^^Cr tog) 



3. Red Cell Indices 10. Plasma Volume (125x - hSA) 



4. Reticulocyte Count 11. Total Body Water (^H and %) 



5. White Cell Count 12. Extracellular Volume (^^S) 



6. Differential Cell Count 13. Iron Turnover (^^Fe) 



and Morphology 14. Total Body Potassium Exchange 



IX-29 



