Q134 / 270 · NDA 2025 (Phase 2) · General Ability
The amount of air breathed in and out during a normal respiration by human lungs is referred to as
- AVital capacity
- Correct answerBTidal volume
- CInspiratory volume
- DTotal lung capacity
Solution
Tidal volume is the volume of air inspired or expired during a normal respiration. It is approximately $500$ mL for a healthy adult.
Vital capacity is the maximum volume of air a person can breathe in after a forced expiration.
Inspiratory reserve volume is the additional volume of air a person can inspire by a forcible inspiration.
Total lung capacity is the total volume of air accommodated in the lungs at the end of a forced inspiration.
Answer: Tidal volume
Vital capacity is the maximum volume of air a person can breathe in after a forced expiration.
Inspiratory reserve volume is the additional volume of air a person can inspire by a forcible inspiration.
Total lung capacity is the total volume of air accommodated in the lungs at the end of a forced inspiration.
Answer: Tidal volume
Hence, the correct answer is option: 'B'.