Which of these conditions produces increased compliance of the lungs?
a. airway obstruction
b. emphysema
c. fibrosis of lungs
d. pulmonary edema
e. all of these
Answer: B
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Respiratory System
- Given this information:
- The minute ventilation for this individual is
- The volume of air that is available for gas exchange each minute is the
- If a person's vital capacity is 4000mL, her expiratory reserve volume is 1000mL, and her inspiratory reserve volume is 2500mL, and her tidal volume is
- Which of these lung volumes/capacities is the largest?
- If compliance increases, lung expansion is
- Arrange the following events in the order as they occur during inspiration:
- At the end of normal inspiration, which of these pressures is the most negative?
- If a pneumothorax occurs, pleural pressure and alveolar pressure become __________ barometric pressure.
- Surfactant
- Lung recoil occurs because of elastic fibers in the alveolar walls and
- During expiration, the volume of the thorax __________ as the diaphragm __________ .
- For inspiration to occur, barometric pressure must be __________ alveolar pressure.
- If alveolar volume increases, alveolar pressure
- Besides lubricating the visceral and parietal pleura, pleural fluid also
- Visceral pleura is found
- For inspiration during labored breathing, which of these muscles is NOT contracted?
- Arrange the following structures in the order as air passes through them traveling from the bronchi:
- Which of these structures has no cartilage around it?
- Which of these structures prevents the movement of swallowed materials into the larynx?
- The true vocal cords and the opening between them are called the
- The largest cartilage in the larynx is the
- The structure that separates the nasopharynx from the oropharynx is the
- Which of these passageways opens directly into the nasopharynx?