Which of the following is consistent with the radiographic appearance after prolonged exposure to O2?
a. Air bronchograms
b. Pulmonary abscess
c. Patchy infiltrates
d. Pneumothorax
ANS: C
Patchy infiltrates appear on chest radiographs and usually are most prominent in the lower lung fields.
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The recommended dose of Lanoxin is 0.25-1.0 mg IV. At doses in excess of 1.5 mg, Lanoxin becomes toxic. A drug's margin of safety—the range between an effective dose and a lethal dose—is known as the:
A) physiologic dosing regimen. B) drug toxicity level. C) therapeutic index. D) none of the above.
Which of the following actions would be least useful in helping patients with type 2 diabetes become more engaged in their own healthcare?
A) Reminding patients to schedule a follow-up appointment six weeks after beginning a new oral medication B) Asking patients to maintain a paper-based log in which they track their daily physical activity C) Having patients record their daily blood glucose readings in a web-based tracking application D) Encouraging patients to keep a daily food journal that tracks their intake of fats, carbohydrates, and calories