Answer the following statement(s) true (T) or false (F)

1. The formula to calculate the HUs for fluoroscopy units is kVp ma time multiplier factor of generator employed 60.
2. The induction motor consists of a rotor and stators and operates by mutual induction.
3. Isotropic refers to the dispersion of light or x-ray photons at a right angle from a single point of origin
4. The greater the kVp, the less energetic and penetrating the x-ray beam.
5. The relationship between actual focal spot size and effective focal spot size is an indirect relationship.


1. TRUE 60 is the multiplier factor for fluoroscopic units.
2. TRUE Spinning of the rotating anode enables heat dissipation.
3. FALSE Isotropic refers to the dispersion of light or x-ray photons in all directions from a single point of origin.
4. FALSE The use of a more penetrating x-ray beam permits x-ray photons to transmit through the patient rather than be absorbed by the patient.
5. FALSE Increasing the actual focal spot size will result in an increase in the effective focal spot size.

Health Professions

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