Respiration Process: Breathing and Gaseous Exchange and Respiratory Volume

IMPORTANT

Respiration Process: Breathing and Gaseous Exchange and Respiratory Volume: Overview

This topic briefs on the respiration process which includes breathing and gaseous exchange. Both these processes and the functions of the related organs are explained here in detail. It also briefs on the respiratory volume and capacities.

Important Questions on Respiration Process: Breathing and Gaseous Exchange and Respiratory Volume

MEDIUM
IMPORTANT

Functional residue capacity allows the small air passages to remain open and prevents the complete emptying of the lungs

HARD
IMPORTANT

An adult mammal with 50 kg body weight has the following functional parameters of its lungs. Inspiratory reserve volume =40 ml/kg body weight; Expiratory reserve volume =15 ml/kg body weight; Vital capacity =60 ml/kg body weight; Breathing rate =20/min.

The volume (in litre) of air that its lungs displace in 24 hours is-

EASY
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The amount of air that is left behind in lungs after expiratory reserve volume has been exhaled is

MEDIUM
IMPORTANT

Study the following (consider maximum values)
A) Inspiratory Reserve Volume (IRV)
B) Tidal Volume (TV)
C) Vital capacity (VC)
D) Total Lung Capacity (TLC)
E) Residual Volume (RV)

Arrange the above volumes of air in ascending order

HARD
IMPORTANT

Study the following respiratory volumes(mL) and arrange on decreasing order.
I) Inspiratory reserve volume
II) Tidal volume
III) Inspiratory capacity
IV) Residual volume
V) Expiratory reserve volume

MEDIUM
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How much pulmonary air is expired normally (to the maximum level)? 

MEDIUM
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Capacity of human lungs for inhaled air in a healthy person is

MEDIUM
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Volume of air breathed in and out during effortless respiration is

EASY
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The volume of air involved in breathing movements can be estimated by using a _____ which helps in clinical assessment of pulmonary functions.

EASY
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The volume of air taken in and given out during effortless breathing is called

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Tidal volume found in a normal man during the resting phase is