If a Lung Is Punctured in a Car Accident, That

question 14

Multiple Choice

If a lung is punctured in a car accident, that lobe fails to inflate even though there is no obstruction of the air passageway to that lobe. Why?

• A) The trauma must have damaged the nerve path controlling ribs on that side of the lung.
• B) Negative feedback prevents the ribs and diaphragm on that side from causing pain.
• C) When the chest volume expands, air can now rush in through the puncture without filling the alveoli.
• D) Mucus or blood must be filling the lobe.
• E) Stimulation of stretch receptors in the alveolar walls initiate inhibitory nerve impulses.

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