Which of the following types of medication would be placed in a soufflé cup for administration to a patient?

The first part of the aorta as it leaves the heart is the:

A) aortic arch. B) thoracic aorta. C) descending aorta. D) ascending aorta.

Your dentist asks you to expose a periapical radiograph showing the mesial of #3, and after exposing the radiograph, you observe overlapping. The most likely cause is

too much vertical angulation. radiograph not in the path of the primary beam. too little exposure in interproximal areas. too much horizontal angulation.