Last Updated On [03-11-2023]
Arrange the given steps by which the pulmonary volume increases in the sequence of events occurring first
I. Contraction of intercostal muscles
II. Lifting up of the ribs
III. Sternum causing an increase in the volume of the thoracic chamber in dorsoventral axis
IV. Contraction of the diaphragm which increases the volume of the thoracic chamber in antero-posterior axis
Choose the correct option
a)
I 
II 
III 
IV
b)
IV 
I 
II 
III
c)
IV 
I 
III 
II
d)
I 
III 
IV 
II
Arrange the given steps by which the pulmonary volume increases in the sequence of events occurring first
I. Contraction of intercostal muscles
II. Lifting up of the ribs
III. Sternum causing an increase in the volume of the thoracic chamber in dorsoventral axis
IV. Contraction of the diaphragm which increases the volume of the thoracic chamber in antero-posterior axis
Choose the correct option
a)
I II III IV
b)
IV I II III
c)
IV I III II
d)
I III IV II
Question ID - 2745 :-
Arrange the given steps by which the pulmonary volume increases in the sequence of events occurring first
I. Contraction of intercostal muscles
II. Lifting up of the ribs
III. Sternum causing an increase in the volume of the thoracic chamber in dorsoventral axis
IV. Contraction of the diaphragm which increases the volume of the thoracic chamber in antero-posterior axis
Choose the correct option
a)
I II III IV
b)
IV I II III
c)
IV I III II
d)
I III IV II
|
Arrange the given steps by which the pulmonary volume increases in the sequence of events occurring first I. Contraction of intercostal muscles II. Lifting up of the ribs III. Sternum causing an increase in the volume of the thoracic chamber in dorsoventral axis IV. Contraction of the diaphragm which increases the volume of the thoracic chamber in antero-posterior axis Choose the correct option |
|||||||
|
a) |
I |
b) |
IV |
c) |
IV |
d) |
I |
(b)
Pulmonary volume increases by the following steps
(i) Contraction of the diaphragm
(ii) Contraction of intercostal muscle
(iii) Lifting of the ribs
(iv) Sternum causing an increase in the volume of thoracic chamber in dorso ventral axis
Next Question :
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Almost same |
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a) |
Oxygenated blood and tissues |
b) |
Deoxygenated blood and oxygenated blood |
|
c) |
Deoxygenated blood and tissues |
d) |
All of the above |
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