Which Answer Places the Following Events in Proper Order for Pulmonary

question 81

Multiple Choice

Which answer places the following events in proper order for pulmonary ventilation?
A: Thoracic cavity volume changes.
B: Brainstem nuclei stimulate skeletal muscles to contract.
C: Air flows down its pressure gradient.
D: Dimensional changes in the thorax lead to pressure changes within the lung.

• A) b, a, d, c
• B) d, c, b, a
• C) b, d, c, a
• D) a, c, d, b
• E) c, a, d, b

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