Question
The amount of air breathed in and out during a normal respiration by human lungs is referred to as
NDA
General Ability
General Science
2025
NDA 2025 (Phase 2)
NDA General Ability Question (2025) — Solution
Options
- A. Vital capacity
- B. Tidal volume
- C. Inspiratory volume
- D. Total lung capacity
Answer
B. Tidal volume
Step-by-step 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
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