as X X 7 True or False 2.85 points Intrapulmonary pressure decreases during inspiration True False Previous
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During inspiration thoracic cavity volume increases. a. True b. False
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Which of these statements regarding intrathoracic pressure during quiet inspiration is true? It drops below atmospheric pressure. It is unchanged. It rises above atmospheric pressure as air flows into the lungs What are the rate and depth of breathing increased by? A raised pCO2 in the blood A raised pO2 in the blood. Breathing a gas mixture with an increased pO2 compared to air During inspiration, the diaphragm and other chest muscles ______ causing the thoracic cavity to ______ contract; compress contract; expand contract; relax relax; contract relax; expand What do you expect to occur while rebreathing your expired air? pCO2 in the blood will increase pO2 in the blood will increase
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