GMS 6402 Pulmonary Final Exam Questions With 100%Verified Answers A+GRADED
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GMS
GMS 6402 Pulmonary Final Exam Questions With 100%Verified Answers A+GRADED
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 EXC...
GMS 6402 Pulmonary Final Exam
Questions With 100%Verified Answers
A+GRADED
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?
AGRADESOLUTIONS
, - airway radius is large and the length of the tube is large
- airway radius is large and the length of the tube is small
- airway radius is small and airways are in series.
- airway radius is small and airways are in parallel.
- airway radius is large and gas viscosity is increased - correct answer...✔✔airway
radius is large and the length of the tube is small
As the lungs fill with air and we move from a low lung volume to higher lung volumes,
airway resistance will
- increase linearly
- decrease exponentially
- increase exponentially
- decrease linearly
- all of the above - correct answer...✔✔decrease exponentially
A patient performs an expiratory forced vital capacity maneuver. His FVC is 2 liters and
his FEV1 is 1 liter. Based on your knowledge of these numbers you would predict that
this person suffers from
- a restrictive lung disease
- pulmonary fibrosis
- an obstructive lung disease
- all of the above
- this patient is normal - correct answer...✔✔an obstructive lung disease
When at sea level and breathing room air, the partial pressure of O2 in inspired air is
- 760 mm Hg
- 40 mm Hg
- 100 mm Hg
- 160 mm Hg
- 150 mm Hg - correct answer...✔✔150 mm Hg
A patient begins to hyperventilate while sitting in a clinic on Miami Beach and breathing
room air. Over the ensuing 1 minute, his PACO2 drops to 20 mm Hg. What is his PaO2
at that moment in time?
- 150 mm Hg
- 125 mm Hg
- 100 mm Hg
- 75 mm Hg
- 50 mm Hg - correct answer...✔✔125 mm Hg
With respect to the path of O2 diffusion, the proper order for the movement of oxygen
across the pulmonary capillary membrane is
- alveolar epithelium, interstitial space, blood, capillary basement membrane
- interstitial space, alveolar epithelium, capillary basement membrane, blood
- alveolar epithelium, blood, interstitial space, capillary basement membrane
- alveolar epithelium, interstitial space, capillary basement membrane, blood
AGRADESOLUTIONS
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