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Mechanism of Breathing

Diaphragm con...

Question

Diaphragm contracts during inhalation to decrease volume of antero-posterior axis.

A

False

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B

True

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Solution

The correct option is A False

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Similar questions

Q. What happens to the diaphragm during inhalation?

Q. During the process of inhalation, the diaphragm moves _________ and ribs move __________.

Q. Which of the following sequences is correct to initiate inspiration?
(i) The contraction of external intercostal muscles raises the ribs and sternum
(ii) Volume of thorax increases in the dorso-ventral axis
(iii) Intrapulmonary pressure decreases
(iv) Diaphragm contraction
(v) Air rushes into lungs
(vi) Volume of thorax increases in the anterior-posterior axis

During inhalation, diaphragm moves ___.

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

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