Question
Question: Which of the following sequences is correct to initiate inspiration? I. The contraction of external...
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 he 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
A
I, II, IV, V, III, VI
B
I, II, III, IV, V
C
I, II, IV, VI, III, V
D
VI, V, I, II, III, IV
Answer
I, II, IV, VI, III, V