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