Question

Select the incorrect statement.

• A. During inspiration intra-pulmonary volume decreases.
• B. During expiration intra-pulmonary pressure increases.
• C. Contraction of diaphragm increases the volume of thoracic chamber in the antero-posterior axis.
• D. Contraction of internal intercostal muscles increases the volume of the thoracic chamber in the dorso-ventral axis.

Answer 1

Answer: (D)

Correct answer is (d) Contraction of internal intercostal muscles increases the volume of the thoracic chamber in the dorso-ventral axis.