The ultimate source of all energy that powers photosynthetic autotrophs is ____________

The source to skin distance for stationary fluoroscopy must not be less than ___ inches.

Which of the following radiographic techniques will provide the least amount of exposure to the patient?

The function of an x-ray beam filter is to remove which of the following from the primary beam?

Which of the following devices alerts the radiologist that a specific amount of fluoroscopy time has elapsed?

What is the name of the filtration that is a permanent part of the x-ray tube and housing?

When using over 70 kVp, the total beam filtration must be:

The dose rate at the tabletop during fluoroscopy cannot exceed ___ R per minute.

The source to skin distance in mobile fluoroscopy must not be less than ___ inches.

When using over 70 kVp, the total filtration in the primary beam must be at least: