FINAL 3702 EXAM QUESTIONS WITH CORRECT ANSWERS 2025
UPDATE
Air moves out of the lung. - ✔✔ Which of the following occurs when intra- alveolar pressure
exceeds atmospheric pressure?
A) Air moves into the lung.
B)The lung collapses.
C)The lung must be expanding.
D)Air moves out of the lung.
E)Intrapleural pressure is greater than intra- alveolar pressure.
both intrapleural pressure and intra- alveolar pressure - ✔✔ Which of the following varies
rhythmically with respiration?
A) atmospheric pressure only
B) intrapleural pressure only
C) intra- alveolar pressure only
D) both intrapleural pressure and intra- alveolar pressure
E) both atmospheric pressure and intrapleural pressure
transpulmonary pressure - ✔✔ he difference between intrapleural pressure and intra- alveolar
pressure is
A) transpulmonary pressure.
B) atmospheric pressure.
C) the driving force for air flow into and out of the lungs.
,D) approximately 100 mm Hg.
E) zero
transpulmonary pressure - ✔✔ Which of the following is a measure of the distending force
across the lungs?
A) intra- alveolar pressure
B) difference between intra- alveolar pressure and atmospheric pressure
C) transpulmonary pressure
D) intrapleural pressure
E) atmospheric pressure
a pneumothorax (the lung will collapse - ✔✔ 28) Equilibration of pressure between the
intrapleural space and the alveoli will lead to which of the following?
A) a pneumothorax (the lung will collapse)
B) air moving out of the lungs
C) chronic obstructive pulmonary disease
D) air moving into the lungs
E) restrictive pulmonary disease
functional residual capacity - ✔✔ What is the volume of air present in the lungs when the lungs
are at rest (in between breaths)? 29)
A) zero
B) residual volume
,C) tidal volume
D) total lung capacity
E) functional residual capacity
The elastic recoil of the lungs is balanced by the elastic recoil of the chest wall - ✔✔ Which of
the following is TRUE when the lung volume is equal to the functional residual capacity?
A) Intra- alveolar pressure is less than atmospheric pressure.
B) Intra- alveolar pressure is greater than atmospheric pressure.
C) Intra- alveolar pressure is less than intrapleural pressure.
D) The elastic recoil of the lungs is balanced by the elastic recoil of the chest wall.
E) Intrapleural pressure is zero.
decreases : into - ✔✔ As the lungs expand, intra- alveolar pressure ________ and air moves
________ the lungs.
A) decreases : into
B) increases : out of
C) decreases : out of
D) increases : into
E) does not change : neither into nor out of
will not change. - ✔✔ As the volume of the lung increases, atmospheric pressure
A) will follow the ideal gas law.
B) increases.
, C) will not change.
D) will follow Starling's law.
E) decreases.
increase in the volume of the thoracic cavity and, therefore, a decrease in intra- alveolar pressure
- ✔✔ What does contraction of the diaphragm cause?
A) decrease in the volume of the thoracic cavity and, therefore, a decrease in intra- alveolar
pressure
B) increase in the volume of the thoracic cavity and, therefore, an increase in intra- alveolar
pressure
C) increase in the volume of the thoracic cavity and, therefore, a decrease in intra- alveolar
pressure
D) decrease in the volume of the thoracic cavity and, therefore, a decrease in atmospheric
pressure
E) decrease in the volume of the thoracic cavity and, therefore, an increase in intra- alveolar
pressure
diaphragm and external intercostals - ✔✔ What are the primary inspiratory muscles?
A) diaphragm and the external and internal intercostals
B) diaphragm and abdominal muscles
C) diaphragm and internal intercostals
D) external and internal intercostals
E) diaphragm and external intercostals
UPDATE
Air moves out of the lung. - ✔✔ Which of the following occurs when intra- alveolar pressure
exceeds atmospheric pressure?
A) Air moves into the lung.
B)The lung collapses.
C)The lung must be expanding.
D)Air moves out of the lung.
E)Intrapleural pressure is greater than intra- alveolar pressure.
both intrapleural pressure and intra- alveolar pressure - ✔✔ Which of the following varies
rhythmically with respiration?
A) atmospheric pressure only
B) intrapleural pressure only
C) intra- alveolar pressure only
D) both intrapleural pressure and intra- alveolar pressure
E) both atmospheric pressure and intrapleural pressure
transpulmonary pressure - ✔✔ he difference between intrapleural pressure and intra- alveolar
pressure is
A) transpulmonary pressure.
B) atmospheric pressure.
C) the driving force for air flow into and out of the lungs.
,D) approximately 100 mm Hg.
E) zero
transpulmonary pressure - ✔✔ Which of the following is a measure of the distending force
across the lungs?
A) intra- alveolar pressure
B) difference between intra- alveolar pressure and atmospheric pressure
C) transpulmonary pressure
D) intrapleural pressure
E) atmospheric pressure
a pneumothorax (the lung will collapse - ✔✔ 28) Equilibration of pressure between the
intrapleural space and the alveoli will lead to which of the following?
A) a pneumothorax (the lung will collapse)
B) air moving out of the lungs
C) chronic obstructive pulmonary disease
D) air moving into the lungs
E) restrictive pulmonary disease
functional residual capacity - ✔✔ What is the volume of air present in the lungs when the lungs
are at rest (in between breaths)? 29)
A) zero
B) residual volume
,C) tidal volume
D) total lung capacity
E) functional residual capacity
The elastic recoil of the lungs is balanced by the elastic recoil of the chest wall - ✔✔ Which of
the following is TRUE when the lung volume is equal to the functional residual capacity?
A) Intra- alveolar pressure is less than atmospheric pressure.
B) Intra- alveolar pressure is greater than atmospheric pressure.
C) Intra- alveolar pressure is less than intrapleural pressure.
D) The elastic recoil of the lungs is balanced by the elastic recoil of the chest wall.
E) Intrapleural pressure is zero.
decreases : into - ✔✔ As the lungs expand, intra- alveolar pressure ________ and air moves
________ the lungs.
A) decreases : into
B) increases : out of
C) decreases : out of
D) increases : into
E) does not change : neither into nor out of
will not change. - ✔✔ As the volume of the lung increases, atmospheric pressure
A) will follow the ideal gas law.
B) increases.
, C) will not change.
D) will follow Starling's law.
E) decreases.
increase in the volume of the thoracic cavity and, therefore, a decrease in intra- alveolar pressure
- ✔✔ What does contraction of the diaphragm cause?
A) decrease in the volume of the thoracic cavity and, therefore, a decrease in intra- alveolar
pressure
B) increase in the volume of the thoracic cavity and, therefore, an increase in intra- alveolar
pressure
C) increase in the volume of the thoracic cavity and, therefore, a decrease in intra- alveolar
pressure
D) decrease in the volume of the thoracic cavity and, therefore, a decrease in atmospheric
pressure
E) decrease in the volume of the thoracic cavity and, therefore, an increase in intra- alveolar
pressure
diaphragm and external intercostals - ✔✔ What are the primary inspiratory muscles?
A) diaphragm and the external and internal intercostals
B) diaphragm and abdominal muscles
C) diaphragm and internal intercostals
D) external and internal intercostals
E) diaphragm and external intercostals
