A _________________ aspiration can occur when a bevel is in contact with a vessel wall.  This is why some highly vascular areas require two aspirations.

For which injection is the deposition site at the interdental bone?

Which of the following is not a potential symptom of chronic N2O abuse?

Which of the following oxygen blood saturation values would be considered normal for a healthy individual?

Which of the following contraindicates the use of N2O-O2 sedation?

Persons with significant liver disease are at an increased risk of reactions to local anesthetic because:

During minimal sedation, patients are able to independently and continually maintain airways; however they respond slowly to tactile stimulation and verbal commands.

Excessive operator exposure to N2O may occur as a result of leaks from the anesthetic delivery system during administration.

Which of the following describes the penetration site?

Topical anesthetic is most effective when applied to: