According to the basic principles of the paralleling technique,the receptor is placed in the mouth _________ to the long axis of the tooth being x-rayed,and the central ray of the x-ray beam is directed ____________ to the receptor and long axis of the tooth.
A)parallel;perpendicular
B)parallel;parallel
C)perpendicular;parallel
D)perpendicular;perpendicular

Question

Quizplus · Accepted Answer

According to the basic principles of the paralleling technique,the receptor is placed in the mouth parallel to the long axis of the tooth being x-rayed,and the central ray of the x-ray beam is directed perpendicular to the receptor and long axis of the tooth.

According to the Basic Principles of the Paralleling Technique,the Receptor