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Standard IX
Biology
Expiratory Capacity
Identify the ...
Question

Identify the respiratory volumes/capacities marked as a, b, c and d in the graph shown below:


A
VC, ERV, IC, EC
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B
ERV, VC, IC, EC
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C
ERV, IC, EC, VC
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D
IC, ERV, EC, IC
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Solution

The correct option is B ERV, VC, IC, EC
Expiratory Capacity (EC): Total volume of air a person can expire after a normal inspiration. This includes tidal volume and expiratory reserve volume (TV+ERV).

Vital Capacity (VC): The maximum volume of air a person can breathe in after a forced expiration. This includes ERV, TV and IRV or the maximum volume of air a person can breathe out after a forced inspiration.

Inspiratory Capacity (IC): Total volume of air a person can inspire after a normal expiration.This includes tidal volume and inspiratory reserve volume (TV+IRV).

Expiratory Capacity (EC): Total volume of air a person can expire after a normal inspiration. This includes tidal volume and expiratory reserve volume (TV+ERV).

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Similar questions
Q. Identify the correct and incorrect match about the respiratory volume and capacities and mark the correct answer.
(a) Expiratory capacity = Tidal volume + Residual volume
(b) Vital capacity = Total lung capacity – Residual volume
(c) Inspiratory capacity = Total lung capacity – Functional Residual capacity
(d) Total lung capacity = Vital capacity + Functional Residual capacity
Q. Listed below are four respiratory capacities (a -d) and four jumbled respiratory volumes of a normal human adult
Respiratory capacities Respiratory volumes
(a) Residual volume 2500 mL
(b) Vital capacity 3500 mL
(c) Inspiratory reserve volume 1200 mL
(d) Inspiratory capacity 4500 mL
Which one of the following is the correct matching of two capacities and volumes?
Q. Listed below are four respiratory capacities (A-B) and four respiratory volumes of a normal human adult:
Respiratory capacities Respiratory volumes
A Residual volume 2500 ml
B Tidal volume 3500 ml
C Inspiratory reserve volume 3000 ml
D Expiratory reserve volume 4500 ml

Which one is correct matching?
Q. Listed below are the respiratory capacities and respiratory volumes(A-D) of a normal human adult in column I and match it with column II.
Column -I Column-II
A. Residual volume I. 2500 mL
B. Vital capacity II. 3500 mL
C. Inspiratory reserve volume III. 1200 mL
D. Inspiratory capacity IV. 4500 mL
Q. Listed below are four respiratory capacities (A-D) in column I and four jumbled respiratory volume of a normal human adult in column II.
Column - IColumn - II(Respiratory capacities)(Respiratory volumes)A.Residual volume I.2500 mLB.Vital capacity II.3500 mLC.Inspiratory reserve volume III.1200 mLD.Inspiratory capacityIV.4500 mL

Which one of the following is the correct matching of two capacities and volume ?
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