Mechanism of Breathing

IMPORTANT

Mechanism of Breathing: Overview

This topic covers concepts, such as, Intercostal Muscles, Mechanism of Breathing, Spirometer & Respiratory Volumes and Capacities etc.

Important Questions on Mechanism of Breathing

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 1

What is vital capacity of our lungs ?

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 2

Explain the location of intercostal muscles in the body of a human.

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 3

Intercostal muscle is of _____ (two/three) types.

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 4

The movement of rib cage during respiration is mediated by intercostal muscles.

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 5

Lung ventilation movements are due to

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 6

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

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 7

During inspiration, the diaphragm

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 8

During expiration the diaphragm becomes

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 9

Which of the following statements is correct?

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 10

Which structures are responsible for the breathing process?

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 11

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

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 12

During inspiration

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 13

Write a short note on volume-related respiration.

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 14

Explain the mechanism of respiration and the importance of respiration in human.

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 15

Explain the mechanism of expiration.

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 16

Explain the mechanism of inspiration.

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 17

What is functional residual capacity?

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 18

What is inspiratory capacity?

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 19

The rate of breathing in an adult during resting condition is 

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Biology>Breathing and Exchange of Gases>Mechanism of Breathing> Q 20

What happens during expiration?