lung function Q1
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Questions and Answers

what's the minute respiratory volume

is the total amount of new air moved into the resp passages each minute. = TIDAL VOLUME*RESP RATE. 6l/min

whats tidal volume

normal breathing at rest.

normal values of lungs may be dependent of:

height, sex, age, to a lesser degree ethnic group.

what IRV

<p>inspiratory reverse volume, the amount of air forcefully inhaled after a normal breath.</p> Signup and view all the answers

whats ERV.

<p>expiratory reserve volume, the amount of air can be exhaled beyond normal exhalation.</p> Signup and view all the answers

whats RV

<p>residual volume, the amount of air remains in lungs after max exhalation.</p> Signup and view all the answers

whats IC (inspiratory capacity)

<p>= Vt+IRV</p> Signup and view all the answers

whats FRC (functional residual capacity)

<p>volume of air left in lungs after (normal) expiration. =ERV+RV</p> Signup and view all the answers

whats vital capacity

<p>what left after max inhalation, =IRV+ERV+Vt</p> Signup and view all the answers

TLC?

<p>total lung capacity= Vt+IRV+ERV+RV</p> Signup and view all the answers

Flashcards

Minute Respiratory Volume (MRV)

Total air moved into respiratory passages per minute, calculated as Tidal Volume multiplied by Respiratory Rate.

Tidal Volume (TV)

Amount of air inhaled or exhaled during normal breathing at rest.

Inspiratory Reserve Volume (IRV)

Amount of air forcefully inhaled after a normal breath.

Expiratory Reserve Volume (ERV)

Amount of air exhaled beyond a normal exhalation.

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Residual Volume (RV)

Amount of air remaining in the lungs after maximum exhalation.

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Inspiratory Capacity (IC)

Maximum amount of air that can be inhaled (TV + IRV).

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Functional Residual Capacity (FRC)

Air remaining in lungs after normal exhalation (ERV + RV).

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Vital Capacity (VC)

Maximum amount of air that can be exhaled after maximum inhalation (IRV + ERV + TV).

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Total Lung Capacity (TLC)

Total volume of air the lungs can hold (TV + IRV + ERV + RV).

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Lung values depend on

Height, sex, age, and ethnicity.

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