correct answers
The vast majority of the total surface area of the lung is found in
the:
- trachea
- segmental bronchi
- terminal bronchi
- alveoli - 🔰CORRECT ANSWERS ✔✔alveoli
All of the following can be measured via spirometry EXCEPT:
- tidal volume (TV)
- vital capacity (VC)
- functional residual capacity (FRC)
- inspiratory capacity (IC)
- expiratory reserve volume (ERV) - 🔰CORRECT ANSWERS
✔✔functional residual capacity (FRC)
Which of the following is a muscle that is used for expiration?
- sternocleidomastoid
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, - external obliques
- diaphragm
- external intercostals
- scalenus - 🔰CORRECT ANSWERS ✔✔external obliques
What is the Transpulmonary pressure (PTP) if pleural pressure is -7
cm H2O and alveolar pressure is -3 cm H2O?
- +10 cm H2O
- +4 cm H2O
- -10 cm H2O
- -4 cm H2O
- 0 cm H2O - 🔰CORRECT ANSWERS ✔✔+4 cm H2O
A lung compliance test indicates that a 3 cm H2O change in
transpulmonary pressure generates a 0.9 liter change in lung
volume. What is this patient's lung compliance?
- 0.2 liters of air/cm H2O
- 0.2 cm H2O/liter of air
- 3.33 cm H2O/liter of air
- 0.3 liters of air/cm H2O
- 2.7 liters of air/cm H2O - 🔰CORRECT ANSWERS ✔✔0.3 liters
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