2. When the lungs expand (increasing volume), what happens to the pressure of th
ID: 168165 • Letter: 2
Question
2. When the lungs expand (increasing volume), what happens to the pressure of the gases in the lungs?
Pressure increases
Pressure decreases
Pressure does not change
3. Which of these would increase the difficulty of inspiration (more than one answer may be correct)?
Decreased mucus in airways
Increased viscosity of air
Bronchodilation
Decreased surfactant
4. A patient had nasal conchae that were enlarged and frequently cut off breathing with minor infections. He underwent surgery to have them reduced in size. What problems might results from this surgery after recovery was complete?
Explanation / Answer
2. Answer
Pressure deceases
Volume is inversely proportional to pressure. More volume means less pressure.
3.Answer:
Increased viscosity of air and Decreased surfactant
In both the situation there will be difficulty in inspiration.
4.Answer
Nasal dryness and "empty nose" syndrome ay occur after recovery from the surgery. The “empty nose” syndrome is a specific entity within the secondary atrophic rhinitis where intranasal changes in airflow result in disturbed climatisation and also interfere with pulmonary function.
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