Electric pulp testing (EPT) devices can be a reliable method to reassure patients that adequate anesthesia has been established prior to initiating treatment

Which of the following is the best device to deliver high-concentration oxygen to a breathing patient?

A) Nonrebreather mask B) Oropharyngeal airway C) Nasal cannula D) Simple face mask

Which of the following statements describes race as an predisposing factor of utilization?

A. When education, income, and occupation are controlled, most of the differences among the races disappear. B. Differences in utilization cannot be explained by socioeconomic factors. C. Whites use less physician services than blacks and Hispanics. D. None of the above