GMS6402: Medical Pulmonary Physiology Exam Questions With 100% Correct Answers 2024

GMS6402: Medical Pulmonary Physiology Exam
Questions With 100% Correct Answers 2024



The vast majority of the total surface area of the lung is found in the:

- trachea

- segmental bronchi

- terminal bronchi

- alveoli (Correct Answer) - ✅ 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 Answer) - ✅ functional residual capacity
(FRC)



Which of the following is a muscle that is used for expiration?

, - sternocleidomastoid

- external obliques

- diaphragm

- external intercostals

- scalenus (Correct Answer) - ✅ 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 Answer) - ✅ +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 Answer) - ✅ 0.3 liters of air/cm H2O



Airway resistance across a set of airways is lowest under which of the following
conditions?

- airway radius is large and the length of the tube is large