| General |
General |
| sthenic | heavy in muscle and bone |
| As kvp increases | latitude for subject contrast increases |
| Define Characteristic Radiation | Emitted when outer electron fills orbit of inner shell electron. |
| Destructive Disease | Increase in air or fat/decrease normal body fluid and bone |
| Name two additive diseases. | Cardiomegaly and ascites |
| What is the average size of a small focal spot? | .6mm |
| Adding restrainers to developer solution prevents development of silver crystals and helps to | Prevent chemical fog |
| Total quantity of electricity which flowed through the circuit durin an exposure is measured by | mAs |
| Name two destructive diseases | Bowel Obstruction and osteoporosis |
| Formula for grid ratio | H/D |
| Ability of produced light to escape the phosphor layer and reach the film is called | Emission Efficiency |
| An x ray beam with higher kvp will be able to _______ more types of tissue | penetrate |
| Longer SID ____penymbra and ______ sharpness | reduces, increases |
| All equipment operating above 70 kvp must have a total minimum filtration of _____ mm of aluminum. | 2.5 |
| H and D curves are also known as | Sensitiometric and characteristic |
| Pi lines run _____ to film travel and occur every ___ inches using __ in rollers | Perpendicular, 3.14 inches, 1 inch |
| Average energy of a beam is ___ of its maximum power | 1/3 |
| What is the field size formula? | D1/D2=F1/F2 or D1/F1=D2/F2 |
| Changes in field size are directly proportional to changes in ____ ratio | OID |
| Remnant radiation is also called ____ forming radiation | image |
| Photoelectric effect occurs in ___ shell | inner |
| Compton effect occurs in ____ shell | outer |
| What is the top of an H and D curve called? | Shoulder |
| To maintain density,For every 5 degrees of tube anguation, you should ____ 1 inch SID? | subtract |
| X rays are emitted | isotropically |
| The amount of darkening from the black metallic silver deposited on the film is called | density |
| Primary exposure factor for regulating contrast | kvp |
| When changing kvp, we will have an effect on | density contrast and penetration |
| Image unsharpness and OID are ____ proportional | directly |
| What is the proper order of steps for automatic processing of a film | develop, fix, wash, dry |
| According to therionic emission, all____ bodies emit_____ | hot, electrons |
| the steeper the anode bevel angle, the____ the focal spot size. | smaller |
