Which of the following is the correct reason that a cape-style lead barrier without a thyroid collar be used when exposing panoramic radiographs?

a. Due to the position of the PID, the thyroid collar would block the x-rays.
b. It would be difficult for a standing patient to maintain an apron-style barrier.
c. This type of lead barrier is less expensive and offsets the cost of the panoramic machine.
d. Cape-style barriers represent state-of-the-art new technology.


a. The PID of the panoramic x-ray machine is in a fixed position at a slight negative angulation. Metal or dense material positioned at the shoulder level or above may interfere with the path of the x-ray beam.

Health Professions

You might also like to view...

How many organ systems must be reviewed in the documentation to support an ROS level of none, or N/A?

a. Ten or more b. Between two and nine c. One d. None

Health Professions

Which of the following acts resulted in the development of modern EMS systems?

A) Ryan White Act B) Highway Safety Act of 1966 C) Good Samaritan Act D) The Trauma Care Systems Planning and Development Act of 1990

Health Professions

The determination as to whether a person is allowed to receive care under a managed care organization contract is called ____________.?

A) eligibility B) ?enrollment C) entitlement D) ?case management

Health Professions

When the backup time is reached during a breast exposure, the radiographer should select a ____ setting for the repeat radiograph.

a. lower mAs b. higher mAs c.higher kVp d. lower kVp

Health Professions