EASY
NEET
IMPORTANT
Earn 100
A person breathing normally at rest, takes in and expels approximately half a litre of air during each respiratory cycle. This is called
69.23% studentsanswered this correctly
Important Questions on Breathing and Exchange of Gases
MEDIUM
NEET
IMPORTANT
Which one of the following statements is incorrect?
MEDIUM
NEET
IMPORTANT
Listed below are four respiratory capacities (i-iv) and four jumbled respiratory volumes of a normal human adult.
Respiratory volumes and capacities |
Volume of air | |
|---|---|---|
| (i) | Residual volume | |
| (ii) | Vital capacity | |
| (iii) | Inspiratory reserve volume | |
| (iv) | Inspiratory capacity |
Which one of the following is the correct matching of two capacities and volumes?
MEDIUM
NEET
IMPORTANT
Complete the following sentences by selecting the correct option.
Inspiratory capacity (IC) IRV
TV IRV ERV
Functional residual capacity
MEDIUM
NEET
IMPORTANT
Consider the following statements each with one or two blanks.
(i) Left lung has ___(1)____ lobes and right lung has ___(2)____ lobes.
(ii) Prawn respires with ___(3)____ and insects with ___(4)____.
(iii) Amount of air inhaled and exhaled with maximum effort is referred to as the ___(5)____ of the lungs.
Fill up the above blanks by selecting the correct option.
HARD
NEET
IMPORTANT
Consider the following statements each with two blanks.
(i) Actually, only about ___(1)____ mL of air enters the lung alveoli for the exchange of gases. The remaining fills the respiratory passage and is termed ___(2)____.
(ii) The amount of air which one can inhale with maximum effort and also exhale with maximum effort is termed as ___(3)____. It is about ___(4)____ in normal adult person.
(iii) During normal quiet breathing, on an average, approximately ___(5)____ mL of air is inspired or expired by adult human male in each breath. It is termed as ___(6)____ volume.
Which of the following options gives the correct fill ups for the respective blank numbers from (1) to (6) in the above statements?
EASY
NEET
IMPORTANT
The inspiratory reserve volume tidal volume expiratory reserve volume is the same as
EASY
NEET
IMPORTANT
Vital capacity of lungs is
EASY
NEET
IMPORTANT
After forceful inspiration, the amount of air that can be breathed out by maximum forced expiration is equal to
