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Perioperative Considerations

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Which of the following is a significant risk for perioperative pulmonary complications?

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a. 25 pack-year smoking history

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b. Asthma well controlled with medication

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c. Community-acquired pneumonia 6 months ago

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d. All are significant risks

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Preoperative chest radiography may be indicated in which of the following clinical settings?

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a. New-onset dyspnea

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b. 10 pack-year history of smoking

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c. American Society of Anesthesiologist (ASA) status 2

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d. All preoperative patients

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Which of the following is true of methods to prevent postoperative pulmonary complications?

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a. A smoking-cessation duration of less than 6 months prior to surgery does not significantly alter complication rates.

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b. Routine use of nasogastric tube suctioning postoperatively is associated with higher complication rates compared with selective use.

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c. Postoperative intermittent positive-pressure breathing (IPPB) lowers complication rates to a greater degree than incentive spirometry.

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d. Early ambulation is as effective for pulmonary embolism prevention as intermittent pneumatic compression stockings in those with risk factors for thromboembolic disease.

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Which of the following preventive measures related to cardiac disease lowers perioperative morbidity and mortality rates?

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a. Maintaining hemoglobin level above 10 g/dL in those with cardiac disease

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b. Intraoperative use of monopolar energy rather than bipolar energy in those with pacemaker devices

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c. Initiation of perioperative beta-blocker use for all with an elevated Revised Cardiac Risk Index (RCRI)

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d. Preoperative antibiotic endocarditis prophylaxis for those with valvular heart disease undergoing genitourinary procedures

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In women with classic iron deficiency anemia, which of the following values is elevated?

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a. Serum iron level

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b. Serum ferritin level

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c. Mean corpuscular volume

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d. Total iron binding capacity

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