Page 336 - Clinical Application of Mechanical Ventilation

302 Chapter 10

4. The arterial pressure waveform shows a decreasing systolic pressure and a stable diastolic pressure. Based
on these two pressure measurements, the pulse pressure is _______ . This condition may be caused by
_______ .
A. decreasing, shock
B. increasing, hypervolemia
C. increasing, bradycardia
D. decreasing, arteriosclerosis

5 to 7. Matching: Refer to the central venous pressure waveform (Figure 10-15) and match the wave or slope
with the proper events during a cardiac cycle. Use only three of the five answers provided.

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mm Hg 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . © Cengage Learning 2014
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Figure 10-15 Central venous pressure waveform.
Wave or Slope Corresponding Event
5. a A. Ventricular relaxation
6. c B. Atrial contraction
7. v C. Ventricular contraction
D. Relaxation of right atrium
E. Closure of tricuspid valve during systole
8. The central venous pressure readings of a patient have been decreasing from an average of 6 to 2 mm Hg.
This condition may be caused by all of the following conditions except:
A. positive pressure ventilation.
B. blood or fluid depletion.
C. shock.
D. vasodilation.
9. Which of the following outlines the correct sequence for the placement of a Swan-Ganz catheter?
A. femoral vein, left atrium, left ventricle, pulmonary artery
B. internal jugular vein, left atrium, left ventricle, pulmonary artery
C. femoral artery, right atrium, right ventricle, pulmonary artery
D. subclavian vein, right atrium, right ventricle, pulmonary artery
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