22. The Respiratory System
Ventilation
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- Multiple Choice
During expiration, which action contributes to the movement of air out of the lungs during eupnea, or quiet breathing?
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Cary hyperventilates for several minutes before diving into a swimming pool. After he enters and begins swimming underwater, he blacks out and almost drowns. What caused this to happen?
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The contraction of the diaphragm and the external intercostal muscles begins inspiration. What happens, in terms of volume and pressure changes in the lungs, when these muscles contract?
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Differentiate clearly between minute ventilation and alveolar ventilation rate
Which provides a more accurate measure of ventilatory efficiency, and why?
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What is the significance of
(a) Boyle's law, to the process of respiration?
573views - Multiple ChoiceDuring inspiration, air moves into the lungs because __________.2354views4rank
- Multiple Choice
Which muscle is used for inspiration during both eupnea and forced breathing?
440views6rank - Multiple ChoiceThe transpulmonary pressure is the difference between the __________ and the __________ pressure.1547views5rank