Bio 253 Exam 3 hondros with accurate
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detailed answers 5
The mechanism that produces pulmonary ventilation is one that establishes a
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gas pressure gradient between the - Correct answer ✔atmosphere and the
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alveolar air. Correct 5 5
Pressure gradients are established by changes in the - Correct answer
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✔thoracic cavity. Correct 5 5
_____ law states that the volume of a gas is inversely proportional to its
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pressure. - Correct answer ✔Boyle's5 5 5 5
During inspiration, as the size of the thorax increases, the - Correct answer
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✔intrapleural and alveolar pressures decrease. Correct 5 5 5 5 5
The ability of the lungs and thorax to stretch is referred to as - Correct answer
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✔compliance. Correct 5
An obstructive lung disorder that is characterized by recurring spasms of the
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smooth muscles in the wall of the bronchial air passages is - Correct answer
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✔asthma. Correct 5
, During the respiratory cycle, intrapleural pressure is always less than alveolar
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pressure. This difference is called - Correct answer ✔transpulmonary
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pressure. Correct 5
The sensors that provide feedback information to the medullary rhythmicity
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area are the - Correct answer ✔central chemoreceptors and peripheral
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chemoreceptors. Correct 5
The apparatus used to measure the volume of air exchanged in breathing is
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called a(n) - Correct answer ✔spirometer. Correct
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The basic rhythm of the respiratory cycle of inspiration and expiration seems
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to be generated by the - Correct answer ✔medullary rhythmicity area. Correct
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Which term refers to the volume of inspired air that actually reaches, or
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"ventilates," the alveoli? - Correct answer ✔alveolar ventilation Correct
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The volume of air exhaled normally after a typical inspiration is called _____
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volume. - Correct answer ✔tidal Correct
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Hyperpnea means a(n) - Correct answer ✔increase in breathing. Correct
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The _____ represents the largest volume of air an individual can move in and
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out of the lungs. - Correct answer ✔vital capacity Correct
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detailed answers 5
The mechanism that produces pulmonary ventilation is one that establishes a
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gas pressure gradient between the - Correct answer ✔atmosphere and the
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alveolar air. Correct 5 5
Pressure gradients are established by changes in the - Correct answer
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✔thoracic cavity. Correct 5 5
_____ law states that the volume of a gas is inversely proportional to its
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pressure. - Correct answer ✔Boyle's5 5 5 5
During inspiration, as the size of the thorax increases, the - Correct answer
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✔intrapleural and alveolar pressures decrease. Correct 5 5 5 5 5
The ability of the lungs and thorax to stretch is referred to as - Correct answer
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✔compliance. Correct 5
An obstructive lung disorder that is characterized by recurring spasms of the
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smooth muscles in the wall of the bronchial air passages is - Correct answer
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✔asthma. Correct 5
, During the respiratory cycle, intrapleural pressure is always less than alveolar
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pressure. This difference is called - Correct answer ✔transpulmonary
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pressure. Correct 5
The sensors that provide feedback information to the medullary rhythmicity
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area are the - Correct answer ✔central chemoreceptors and peripheral
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chemoreceptors. Correct 5
The apparatus used to measure the volume of air exchanged in breathing is
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called a(n) - Correct answer ✔spirometer. Correct
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The basic rhythm of the respiratory cycle of inspiration and expiration seems
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to be generated by the - Correct answer ✔medullary rhythmicity area. Correct
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Which term refers to the volume of inspired air that actually reaches, or
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"ventilates," the alveoli? - Correct answer ✔alveolar ventilation Correct
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The volume of air exhaled normally after a typical inspiration is called _____
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volume. - Correct answer ✔tidal Correct
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Hyperpnea means a(n) - Correct answer ✔increase in breathing. Correct
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The _____ represents the largest volume of air an individual can move in and
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out of the lungs. - Correct answer ✔vital capacity Correct
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