Tube housing must be constructed to limit leakage to no more than:

The primary protective barrier in fluoroscopy must have a lead equivalency of at least:

What is the purpose of a tube housing?

The control panel must indicate when the x-ray tube is energized with:

The exposure control panel must be located:

The control panel must include: (Select all that apply)

The x-ray beam must be collimated to:

Automatic collimation (PBL) must not allow beam to exceed IR size by more than:

The function of the light-localizing variable-aperture collimator is to:

The collimator light and x-ray beam must align within:

Which of the following is a beam-limiting device?

Minimum SSD for mobile radiography is:

What is the purpose of filtration in the x-ray tube?

Total filtration for fixed x-ray units above 70 kVp must be at least:

Inherent filtration includes: (Select all that apply)

Added filtration is typically made of:

Reproducibility requires output consistency within:

Exposure linearity variance must not exceed:

The primary purpose of a grid is to:

Higher grid ratios provide better:

Mobile x-ray units must have an exposure cord length of at least:

Fluoroscopic exposure control must be:

Minimum source-to-skin distance for fixed fluoroscopy is:

Minimum source-to-skin distance for mobile C-arm fluoroscopy is:

Cumulative timer on fluoroscopy units must signal after:

The protective curtain on a fluoroscopy unit must be at least:

The bucky slot shielding device must have a minimum of:

30. The maximum entrance exposure rate for normal fluoroscopy is:

High-level control fluoroscopy can reach up to:

Which of the following reduces patient exposure most effectively?

What is the most effective method for reducing scatter radiation?

What must be tested to ensure beam energy consistency?

The collimator light must be visible in ambient lighting.

Grids are required for all pediatric exams.

Increased filtration increases patient dose.

C-arm fluoroscopy increases operator dose if improperly positioned.

Fluoroscopy is designed for real-time imaging.

Mobile radiography should be performed from as far as reasonably achievable.

Added filtration reduces image sharpness.

Cumulative timers are reset automatically.

Dead-man switch requires constant pressure to activate.

Protective drapes reduce scatter exposure to personnel.

Which of the following is a primary function of collimation in radiography?

Which safety feature ensures that x-ray exposure stops when the operator releases the control?

How many set of shutters are in the collimator?

Which set of shutters are mounted as close as possible to the tube window?

Positive Beam Limitation (PBL) is required by the U.S. Federal Government on all x-ray installations to automatically restrict the beam and light field.

What is the minimum amount of inherent filtration required on all x-ray tubes?

What is the total amount of total filtration?

Half-Value Layer is defined as the thickness of a designated absorber required to increase the intensity of the primary beam by 50% of its initial value.