Which type of AV block is sometimes reported with a ratio of P waves to QRS complexes?
A. Third-degree AV block
B. Second-degree AV block, Mobitz type II
C. Second-degree AV block, Mobitz type I
D. First-degree heart block
Answer: B
Health Professions
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Mechanical ventilation in the home setting can be provided by which of the following methods?
1. Positive pressure through an oral endotracheal tube 2. Positive pressure through an intact upper airway 3. Intermittent abdominal displacement methods 4. Negative pressure through an intact upper airway a. 1 and 3 only b. 1, 2, and 3 only c. 3 and 4 only d. 2, 3, and 4 only
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