What is the name of the anatomic landmark that appears on a panoramic image as a long, narrow radiopaque spine that extends downward, from the inferior surface of the temporal bone, to just anterior to the mastoid process?

Which of the following options best completes this sentence: "An established problem is stable or improving when . . .".?

a. the performing physician orders specific laboratory, pathology, or diagnostic tests for the purpose of identifying the differential diagnosis of the undiagnosed new presenting problem. b. the patient's presenting problem that has already been diagnosed by the performing physician has become worse. c. the patient's presenting problem that has already been diagnosed by the performing physician has remained stable or shows improvement. d. the patient's presenting problem that has already been diagnosed by the performing physician.

Metoclopramide exerts its effects by blocking ______________________

a. Anticholinergic receptor sites b. Histamine 2 receptor sites c. Dopaminergic receptor sites d. Opiate receptor sites