Distinguish between IRV and ERV.

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Solution

Inspiratory reserve volume (IRV) is the maximum volume of air that can be inhaled after a normal inspiration and it is about 2500 – 3500 mL in the human lungs. Expiratory reserve volume (ERV) is the maximum volume of air that can be exhaled after a normal expiration and it is about 1000 – 1500 mL in the human lungs.

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Distinguish between:

(a) IRV and ERV

(b) Inspiratory capacity and Expiratory capacity

Complete the following blanks, regarding lung volumes and capacities.
i. First lung capacity (FRC) $⟶$ ERV+RV= ________.
ii. Inspiratory capacity (IC) $⟶$ TV+IRV= ________.
iii. Vital capacity (VC) $⟶$ IC+ERV= ________.
iv. Total lung capacity $⟶$ RV+VC= ________.

Complete the following blanks, regarding lung volumes and capacities.
i. Functional lung capacity (FRC) $⟶$ ERV+RV= ________.
ii. Inspiratory capacity (IC) $⟶$ TV+IRV= ________.
iii. Vital capacity (VC) $⟶$ IC+ERV= ________.
iv. Total lung capacity $⟶$ RV+VC= ________.

Distinguish between formal and informal organisation.

(i) Meaning (ii) Origin (iii) Authority (iv) Behaviour (v) Flow of communication (vi) Nature

Distinguish between Responsibility, Authority and Accountability on the basis of :

(i) Meaning (ii) Nature

(iii) Flow of communication (iv) Actions

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