Covider the following statements each with two blanks. If...

Covider the following statements each with two blanks. If Actually, only about (1) $\mathrm{ml}$ of air enters the lung aveoli for the exchange of gases. The remaining fills the respiratory passage and is termed $(2)$. 17 Me amount of air which one can inhale with maximum eflot and also exhale with maximum effort is termed as 3 . It is about (4) in normal adult person. 399 (iii) During normal quiet breathing, on an average, approximately (5) $\mathrm{mL}$ of air is inspired or expired by adult human male in each breath. It is termed as (G) volume. Which of the following options gives the comect fillups for the respective blank numbers from $(1)$ to $(6)$ in the above statements? (a) (3)-Vital capacity, (4)-4000 mL, $(5)-500,(6)$ - tidal (b) $(1)-100$, (2)-residual volume, (3)-functional residual capacity, (4)-3000 mL (c) (1)-350, (2)-dead space air, (5)-1000, (6)-inspiratory reserve volume (d) (1)-350, (2)-residual volume, (3)-vital capacity, (4) $-4000 \mathrm{~mL}$

Covider the following statements each with two blanks. If Actually, only about (1) $\mathrm{ml}$ of air enters the lung aveoli for the exchange of gases. The remaining fills the respiratory passage and is termed $(2)$. 17 Me amount of air which one can inhale with maximum eflot and also exhale with maximum effort is termed as 3 . It is about (4) in normal adult person.
399
(iii) During normal quiet breathing, on an average, approximately (5) $\mathrm{mL}$ of air is inspired or expired by adult human male in each breath. It is termed as
(G) volume.
Which of the following options gives the comect fillups for the respective blank numbers from $(1)$ to $(6)$ in the above statements?
(a) (3)-Vital capacity, (4)-4000 mL, $(5)-500,(6)$ - tidal
(b) $(1)-100$, (2)-residual volume, (3)-functional residual capacity, (4)-3000 mL
(c) (1)-350, (2)-dead space air, (5)-1000, (6)-inspiratory reserve volume
(d) (1)-350, (2)-residual volume, (3)-vital capacity,
(4) $-4000 \mathrm{~mL}$

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Key Concepts

Vital Capacity

Vital capacity is the maximum volume of air that can be forcibly exhaled from the lungs after a maximum inhalation. This measurement reflects the overall strength and capacity of the respiratory system and is critical in evaluating lung function.

Respiratory Volumes and Capacities

This broader concept encompasses all the volumes and capacities measured in pulmonary function tests, including tidal volume, inspiratory reserve volume, expiratory reserve volume, vital capacity, and residual volume. Understanding these parameters is essential for assessing respiratory health and diagnosing pulmonary disorders.

Anatomical Dead Space

This refers to the volume of air present in the conducting airways—such as the nose, pharynx, larynx, trachea, and bronchi—that does not participate in gas exchange because it never reaches the alveoli. It is an important concept when analyzing the efficiency of ventilation.

Tidal Volume

Tidal volume is the amount of air that is normally inhaled or exhaled during quiet, resting respiration. It represents the basic unit of ventilation in each respiratory cycle and is key to understanding everyday pulmonary function.

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