Question

 Select the correct events that occur during inspiration.
(a) Contraction of diaphragm
(b) Contraction of external inter - costal muscles
(c) Pulmonary volume decreases
(d) Intra pulmonary pressure increases

A (a) and (b)

B (c) and (d)

C (a), (b) and (d)

D only (d)

 

Answer 1

Solution:

Events that occur during inspiration are
(a) Contraction of diaphragm
(b) Contraction of external intercostal muscles
(c) Pulmonary volume increases
(d) Intra pulmonary pressure decreases

Answer 2

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