Respiratory Practice Exam

21 Questions  I  By Jdwebb
Dr. speck's questions to help US prepare for the final

  
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1.    Bronchoconstriction during an asthmatic attack reflects:
A.
B.
C.
D.
E.
2.  The compliance of the lung is:
A.
B.
C.
D.
E.
3.  Which of the following comparisons is correct at mid-inspiration during exercise? (Patm = atmospheric pressure, Ppl = intrapleural pressure, PA = alveolar pressure and Pm = mouth pressure). Be sure all indicated relationships (>, <, =) are correct.
A.
B.
C.
D.
E.
4.  The conducting airways:
A.
B.
C.
D.
E.
5.  The respiratory quotient (RQ):
A.
B.
C.
D.
E.
6.  The instantaneous rate of diffusion of oxygen (the number of O2 molecules diffusing per second) from the lung into the blood is DECREASED by:
A.
B.
C.
D.
E.
7.  The alveolar pressure is:
A.
B.
C.
D.
8.    What is the correct sequence of events for inspiration to occur? 1.       activation of inspiratory muscles 2.       decrease in alveolar pressure 3.       increase in lung volume 4.       activation of DRG inspiratory neurons (premotor neurons in the brainstem) 5.       increase in the size of the thoracic compartment 6.       decrease in pleural pressure
A.
B.
C.
D.
9.  The alveoli in the apex of the lung in the upright posture are relatively distended at FRC because:
A.
B.
C.
D.
10.  To generate high velocity expiratory flow during a cough, you would need to activate the:
A.
B.
C.
D.
E.
11.  The presence of surfactant:
A.
B.
C.
D.
E.
12.  In a person that was seated and at rest, a tight-fitting corset would be expected to decrease all of the following EXCEPT:  
A.
B.
C.
D.
E.
13.  With a tidal volume of 700 mL, a dead space of 200 mL and a respiratory frequency of 20, the alveolar minute ventilation would be:
A.
B.
C.
D.
E.
14.  Which of the following statements is TRUE?
A.
B.
C.
D.
E.
15.  In patients with respiratory acidosis, you would expect:
A.
B.
C.
D.
E.
16.  Most of the carbon dioxide produced by cells is transported in the blood as:
A.
B.
C.
D.
E.
17.  A patient that has a spinal cord transection at the level of the first thoracic vertebrae (T1) would be able to breathe using their:
A.
B.
C.
D.
E.
18.  The basic respiratory rhythm is generated in the:
A.
B.
C.
D.
E.
19.  If I were to fly you to Denver (I’d be a really nice guy) and then immediately take you to an elevation of about 10,000 feet (maybe not such a nice guy!), I would expect your alveolar Po2 to be about 60 mm Hg and your ventilation to _____________(compared to that in Kentucky) and your arterial Pco2 to ___________ (compared to that in Kentucky).
A.
B.
C.
D.
E.
20.  A patient with respiratory complications which result in a decreased surface area in the lung apex might experience respiratory difficulty:
A.
B.
C.
D.
21.  In a person with a thickened alveolar – capillary membrane, which of the following comparisons is TRUE?
A.
B.
C.
D.
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