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If TLC is 5500ml, IRV is 2950ml, ERV is 900ml and TV is 500ml then what will be value of RV ?
  • a)
    2550ml
  • b)
    1100ml
  • c)
    1200ml
  • d)
    1150ml
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
If TLC is 5500ml, IRV is 2950ml, ERV is 900ml and TV is 500ml then wha...
RV = TLC - IRV – ERV– TV. On substituting the values, we get 1150ml.
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Most Upvoted Answer
If TLC is 5500ml, IRV is 2950ml, ERV is 900ml and TV is 500ml then wha...
To find the value of RV (Residual Volume), we need to use the formula:

RV = TLC - (IRV + ERV + TV)

Given:
TLC = 5500 ml
IRV = 2950 ml
ERV = 900 ml
TV = 500 ml

Substituting the given values into the formula:

RV = 5500 ml - (2950 ml + 900 ml + 500 ml)
= 5500 ml - 4350 ml
= 1150 ml

Therefore, the value of RV is 1150 ml.

Explanation:
The Total Lung Capacity (TLC) is the maximum amount of air that can be contained in the lungs after taking the deepest breath possible. It is the sum of all lung volumes, including Inspiratory Reserve Volume (IRV), Expiratory Reserve Volume (ERV), Tidal Volume (TV), and Residual Volume (RV).

The Inspiratory Reserve Volume (IRV) is the additional volume of air that can be inhaled after a normal breath.

The Expiratory Reserve Volume (ERV) is the additional volume of air that can be exhaled forcefully after a normal exhalation.

The Tidal Volume (TV) is the volume of air inhaled or exhaled during normal breathing.

The Residual Volume (RV) is the volume of air that remains in the lungs after maximum exhalation. It cannot be measured directly but can be calculated using the above formula.

In this case, the given values are:
TLC = 5500 ml
IRV = 2950 ml
ERV = 900 ml
TV = 500 ml

Substituting these values into the formula, we find that the Residual Volume (RV) is 1150 ml.
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Community Answer
If TLC is 5500ml, IRV is 2950ml, ERV is 900ml and TV is 500ml then wha...
TLC = RV+ERV+TV+IRV
5500 = RV+900+500+2950
RV = 1150
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