Page 544 - Clinical Application of Mechanical Ventilation

510 Chapter 15

2. Bilateral infiltrates on the chest radiograph and elevated pulmonary capillary wedge pressure
(e.g., 22 mm Hg) are signs of:
A. cardiogenic pulmonary edema. C. ARDS.
B. noncardiogenic pulmonary edema. D. ALI.

3. In order to reduce the risk of lung injuries during mechanical ventilation, the ARDSNet recommends
that the plateau pressure be kept below:
A. 15 cm H O. C. 30 cm H O.
2
2
B. 20 cm H O. D. 40 cm H O.
2
2
4. The physician wants to implement permissive hypercapnia for a mechanically ventilated patient. The
therapist should reduce the _______ setting in the range of _______.

A. tidal volume, 8–10 mL/Kg
B. tidal volume, 4–7 mL/Kg
C. peak inspiratory pressure, 10–20 cm H O
2
D. peak inspiratory pressure, 20–30 cm H O
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5. The ARDSNet initial settings for patients with ARDS include all of the following except:

A. volume-controlled ventilation.
B. assist/control mode.
C. maintenance of SpO between 88 and 95%.
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D. use of V as low as 7 mL/Kg to maintain P PLAT , 30 cm H O.
2
T
6. The decremental recruitment maneuver is done to obtain a patient’s:
A. optimal PEEP. C. dynamic compliance.
B. static compliance. D. airflow resistance

7. A patient has a score of 8 using the modified clinical pulmonary infection score chart. This means that
the patient is likely to require:
A. mechanical ventilation. C. saline lavage and suctioning of the ET tube.
B. antibiotics. D. pulmonary isolation.

8. The RT department is implementing a policy to reduce the incidence of ventilator-associated pneumo-
nia. Based on research findings, which of the following methods should not be included in the policy?
A. Reduce the use of sedatives.
B. Elevate head of bed to 30- to 45-degree angle.
C. Change ventilator circuit every 24 hours.
D. Avoid intubation and use noninvasive ventilation.

9. A patient’s calculated cerebral perfusion pressure (CPP) is 60 mm Hg (normal 70 to 80 mm Hg). What
can be done to increase the patient’s CPP?
A. Increase the mean arterial pressure. C. Increase the intracranial pressure.
B. Decrease the intracranial pressure. D. A and B only.

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