Question

Amount of air in the lungs that remains after forcible expiration is called

• A. Dead space
• B. Residual volume
• C. Vital capacity
• D. Ventilation rate

Answer 1

The correct option is B Residual volume

The volume of air remaining in the lungs even after a forcible expiration is called Residual Volume. This is about 1100 ml to 1200 ml in a normal adult. So, the correct answer is option B.