Card Set Information
What is the most insensitive?
What is the increase in brightness by acceleration of the electron in the image intensifier?
What is the relationship between mAs and Density?
What are the grid conversion factors?
What interaction does not cause ionization?
What does increasing the filtration do to contrast?
The smaller the Intensifying Phosphors the?
Better the recorded detail
What bone has no body?
What converts x-ray energy into light?
How often are crossover racks cleaned?
What is X-Ray tube current measured in?
What chemical slows oxidation?
How do you figure the Heat Unit (HU) for single phase equipment?
How do you figure the Heat Unit (HU) for triple phase six pulse?
How do you figure the Heat Unit (HU) for triple phase 12 pulse?
What voltage ripple does a single phase have?
What voltage ripple does a triple phase six pulse have?
What voltage ripple does a triple phase twelve pulse have?
What voltage ripple does a high frequency generator have?
Where is high contrast films plotted?
On the left
What interaction results in differential absorption?
When is exposure lattitude the narrowest?
At lower kVp levels
What photon tissue interaction that produces scatter and leaves the patient?
WHat is the factor that is expressed as the ratio of primary radiation through the rid to secondary radiation transmitted through the grid?
How sensitive is the OSL monitor?
How sensitive is the TLD monitor?
What is a compound smallest unit?
As kVp increases a greatest potential difference exsist between what?
Anode and Cathode
What part of the stomach is most proximal?
How do trough filters work?
Thinner at Center and Thicker at Edges
What do x-ray photons not have?
What is plotted on the y-axis of the H&D curve?
What is plotted on the X-Axis of the H&D curve?
What interaction occurs when an incident photon strikes a k-shell electron?
What happens when a patient takes a deep breath?
The diaphragm contracts and the dome moves down
What is the grid error with density deacreased across the entire film?
What is the grid error tgat shows normal density in the middle but decreased density on the sides?
Upside down grid
What is the purpose of the sensitivity specks?
Serves as cneters for making the visible image
What is not an organelle?
What is the annula effective dose for natural background radiation?
What is the symbol for the atomic mass?
What is the dose at tabletop for fluoro?
What interaction results from very low energy?
What happens as filtration increases?
What abdominal structure is not an accessory digestive organ?
Spleen(Part of the Lymphatic System)
What is the relationship between kVp and Density?
Direct but not proportional
What are the lower risk levels for embryo-fetus?
What is the Example of low LET?
what is an example High LET?
Alpha, Neutrons, and radioactive Fallout
What does slower film screen speed do?
What does faster speed screen do?
What do slower film screen speed demonstrate?
Higher Patient dose
What organ is responsible for radiation induced leukemia?
Where is the CR for lateral projection of the sinuses?
0.5-1.0 posterior to outer canthus
What is the unit of radiation that takes into account different biologic effects caused by different types of radiation?
Where is the pylorus located?
Narrow Distal end that connects with the small intestine (G)