Ablation with radiofrequency current is effective in the treatment of
a. atrial fibrillation (AF) caused by multiple circuits.
b. asystole.
c. sinus rhythm.
d. AF caused by single primary circuit.
ANS: D
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Which of the following devices or methods would be appropriate to provide sufficient humidity for an intubated patient with an uncuffed endotracheal tube who has thick, bloody secretions?
a. Heat and moisture exchanger b. Heated humidifier c. Heated humidifier with a heat and mois-ture exchanger d. Systemic hydration
Any bile stored in the gallbladder is ________ times more concentrated than bile produced by the liver.
A. five to six B. six to 10 C. 10 to 15 D. 15 to 20
Diseases of the central nervous system involve the:
A) brain. B) spinal cord. C) both A and B. D) neither A nor B.
What is considered present on admission?
A. present at time the order for inpatient admission occurs B. conditions developing during an outpatient encounter C. conditions developing during outpatient surgery D. All the above is the correct answer