NREMT Exam Dumps | To create negative pressure in the thorax (chest cavity) the diaphragm contracts and moves ____________

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Question 42/200

To create negative pressure in the thorax (chest cavity) the diaphragm contracts and moves
_____________ which expands the volume of the thorax allowing air to rush into the lungs.

A. Upward

B. Outward

C. Downward

D. The diaphragm does not move, the chest wall expands.

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