The positioning indicating device (PID) is sometimes called a “cone” because the PID of early dental x-ray machines was of a pointed shape.

Each of the following statements regarding radiation protection measures for the patient is correct except one. Which one is the exception?

Which of the following indicates the correct placement of an intraoral film?

Which of these statements regarding the radiographic appearance of dental materials is false?

Each of the following is an indication to expose radiographs on children except one. Which one is the exception?

Which of the following removes the soft x-rays for the x-ray beam as it exits the port?

The advantage of using the largest size image receptor possible to expose a bitewing radiograph is that

Each of the following should be considered when choosing the number and size of image receptors to expose on a child patient except one. Which one is the exception?

Which radiographic technique is less complicated and produces better quality radiographic images?

Each of the following is a use of an occlusal radiograph except one. Which one is the exception?