Lisa is a healthy 21-year-old female with normal cardiovascular and respiratory function.Assuming she has a normal tidal volume and vital capacity,how much air is left in her lungs after a normal exhalation?

Question

Quizplus · Accepted Answer

After a normal exhalation, the amount of air left in the lungs is known as the Functional Residual Capacity (FRC), which includes the Expiratory Reserve Volume (ERV) and the Residual Volume (RV). For a healthy young woman, this is approximately 2.9 liters.

Lisa Is a Healthy 21-Year-Old Female with Normal Cardiovascular and Respiratory