SJC S3 Midcurriculum Exam Review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Velocity (formula) | show 🗑
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show | 3 x 10^8 meters/second or 186,000 miles/second
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show | a=v(f) - v(o) / time •v(f) = final velocity •v(o) = initial velocity
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show | mg X 9.8meters/second
(mass in mg X acceleration of gravity on Earth)
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work (formula) | show 🗑
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power (formula) | show 🗑
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show | The transfer of energy
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Ionizing Radiation (definition) | show 🗑
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show | Sharing of valence electrons
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Ionic Bond | show 🗑
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Atomic Mass Number | show 🗑
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Atomic Mass | show 🗑
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Range at which COHERENT SCATTERING can occur | show 🗑
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Range at which COMPTON SCATTERING can occur | show 🗑
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show | 30-150 keV - depends on Atomic #, contributes to patient dose
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show | >/= 1.022 MeV - does not occur in diagnostic radiography range
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Range at which PHOTODISINTEGRATION can occur | show 🗑
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Differential Absorption (definition) | show 🗑
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show | The reduction in intensity (energy) or number of photons of the primary beam as it passes through the patient due to absorption and scatter
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show | •tissue thickness •types of tissue •beam quality (kVp) •transmission
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show | the smallest object that can be detected in an image - sharp lines -line pairs/mm
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Contrast Resolution (definition) | show 🗑
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Digital: Quantum ______ • Film: Quantum ______ | show 🗑
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show | Any unwanted image on a radiograph - dust on IR, foreign body, clothing, scatter/fog
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show | Film - more sensitive to repeats due to exposure
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Factors affecting Radiographic Quality | show 🗑
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show | Bremsstrahlung and Characteristic
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Scatter control methods | show 🗑
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show | 1. kVp 2. field size 3. patient thickness
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Types of Grid Designs/Patterns | show 🗑
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show | Distance from the face of the grid to the point of conversion of the lead strips (determines focal distance range)
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Grid Frequency of a Focused Grid | show 🗑
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Contrast Improvement Factor (k) of a Focused Grid | show 🗑
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show | the ratio of primary to transmitted scattered radiation. "ability to clean up" - more scatter removal = greater selectivity
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Focal Range of a Focused Grid | show 🗑
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Created by:
paigeduh
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