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Question
Distinguish between Vital capacity and Total lung capacity.
Solution
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Vital capacity (VC) |
Total lung capacity (TLC) |
| 1. | It is the volume of air that a person can maximally exert themselves to breathe in and out of. | It is the total volume of air in the respiratory system and lungs following a maximal inspiration. |
| 2. | Tidal volume plus inspiratory reserve volume (VC = TV + IRV + ERV) is its total. A typical adult has between 4 and 4.6 litres. | TLC is equal to the sum of the residual volume and the vital capacity (TLC = VC + RV). It is 5100 - 5800 ml. |
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RELATED QUESTIONS
What is the significance of vital capacity?
Find out the Tidal volume (approximate value) for a healthy human in an hour.
Distinguish between IRV and ERV.
The total volume of air accommodated in the lungs at the end of forced inspiration is known as Total Lung Capacity (TLC) which is equal to ______.
Vital capacity of lungs is equal to
The vital capacity of the lungs is ______.
A person breathes in some volume of air by forced inspiration after having a forced expiration. This quantity of air taken in is ______.
From the following relationships between respiratory volume and capacities and mark the correct answer.
- Inspiratory capacity (IC) = Tidal Volume + Residual Volume
- Vital Capacity (VC) = Tidal Volume (TV) + Inspiratory Reserve Volume (IRV) + Expiratory Reserve Volume (ERV).
- Residual Volume (RV) = Vital Capacity (VC) – Inspiratory Reserve Volume (IRV)
- Tidal Volume (TV) = Inspiratory Capacity (IC) – Inspiratory Reserve Volume (IRV)
Define the following terms?
Tidal volume
Define the following terms?
Residual volume
Arrange the following terms based on their volumes in an ascending order.
- Tidal Volume (TV)
- Residual Volume (RV)
- Inspiratory Reserve Volume (IRV)
- Expiratory Capacity (EC)
Complete the missing terms
Inspiratory Capacity (IC) = ______ + IRV
Complete the missing terms
______ = TV + ERV
Differentiate between inspiratory and expiratory reserve volume
