In hyperventilation
P50 and Hb affinity for O2 increases
P50 and Hb affinity for O2 decreases
P50 increases and affinity O2 decreases
P50 decreases and affinity O2 increases
Abnormally fast and deep breathing, the result of either an emotional state or a physiological condition. Emotional causes include acute anxiety and emotional tension, such as in nervous, anxious patients who may have other functional disturbances related to emotional problems. Physiological causes include a rapid decrease in intracranial pressure, other neurologic problems, and metabolic, pulmonary, and cardiovascular conditions.Ref: Ganong&;s Review of Medical Physiology; 24th edition; page no:647
Respiratory system