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What is vital capacity of our lungs?
  • a)
    Inspiratory reserve volume plus tidal volume
  • b)
    Total lung capacity minus expiratory reserve volume
  • c)
    Inspiratory reserve volume plus expiratory reserve volume 
  • d)
    Total lung capacity minus residual volume
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
What is vital capacity of our lungs?a)Inspiratory reserve volume plus ...
Vital capacity of lungs is largest possible expiration after largest possible inspiration that is greatest. Volume of air can be exchanged in single respiration or amount of air breath in and out with greatest  possible efforts.
VC = TRV +TV + ERV 
      = 3000 + 500 + 1100 
      = 4600 ml.
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What is vital capacity of our lungs?a)Inspiratory reserve volume plus ...


Vital Capacity of Lungs

Vital capacity is the maximum amount of air a person can expel from the lungs after a maximum inhalation. It is an important measure of lung function and can be calculated by subtracting the residual volume from the total lung capacity.

Calculation

- Vital Capacity = Total Lung Capacity - Residual Volume
- Total Lung Capacity is the sum of all lung volumes, including tidal volume, inspiratory reserve volume, expiratory reserve volume, and residual volume.
- Residual Volume is the air that remains in the lungs even after a forceful exhale.

Significance

- Vital capacity is used to assess respiratory conditions and can help diagnose lung diseases such as asthma, chronic obstructive pulmonary disease (COPD), and restrictive lung diseases.
- It can also indicate the overall health and fitness of an individual, as it reflects the strength and efficiency of the respiratory muscles.

Importance of Vital Capacity

- Monitoring changes in vital capacity over time can help track the progression of lung diseases and the effectiveness of treatment.
- It is also used to evaluate the impact of lifestyle choices, such as smoking or physical activity, on lung function.

In conclusion, vital capacity is a crucial measure of lung function that provides valuable information about respiratory health and overall well-being. Calculating vital capacity can help healthcare professionals assess lung function, diagnose respiratory conditions, and monitor changes in lung health.
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Community Answer
What is vital capacity of our lungs?a)Inspiratory reserve volume plus ...
VC= TRV+TV+ERV
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What is vital capacity of our lungs?a)Inspiratory reserve volume plus tidal volumeb)Total lung capacity minus expiratory reserve volumec)Inspiratory reserve volume plus expiratory reserve volumed)Total lung capacity minus residual volumeCorrect answer is option 'D'. Can you explain this answer?
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