<prompt> The spirometer can estimate all the following exceptTotal lung capacityForced expiratory volume in 1 secondPeak expiratory flowVital capacity  <response>: The total lung capacity TLC, about 6,000 mL, is the maximum amount of air that can fill the lungs TLC TV IRV ERV RV Ref: guyton and hall textbook of medical physiology 12 edition page number:326,327,328 