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465 image production

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Created by: pacourtrig

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Radiographic Positioning Quizzes

Question	Answer
How would you find the milliroentgens per milliampere-seconds (mR/mAs)	mA x seconds milliroentgens/ mAs Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Example: If the exposure factor of 70kvp, 200Ms and 15ms yield an output exposure of 80 mR, what is the milliroentgens per milliampere-seconds (mR/mAs)	200x.015=3 80/3=27 Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
A short SID= more exposure	true Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (465). University of Southern Indiana, Evansville, IN.
Does more mAs give you more or less exposure	more Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Does more kVp give you more or less exposure	more Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Where is the image intensifier located for flouro	on top Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Where is the xray tube for flouro	under the table Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
what is the xray table made from	carbon fiber or polycarbonate--- radiolucent Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
what do electrostatic lenses do	increase speed and focus of electrons Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
flouro is the	greatest source of acute radiation exposure in diagnostic- most dose Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
input phosphor sizes and material	25,17,12 cm and cesium iodide Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
output phosphor size and material	1-2.5 cm and cadmium Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
how can you decrease magnification without mag mode button	get ii as close to patient as possible Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
off center	decrease in exposure over entire image Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
off level	not straight behind the patient, decrease of exposure entire image Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
off focus	outside of the SID range, light at outside/periphery of image Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
inverted/upside down	no exposure on outside of the image Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
AEC is usually	between the patient and the detector Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
backup timer	AEC, is the safety mechanism to shut off exposure Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Problems with AEC	selecting wrong photocells Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
which interactions are radiation production	bremsstrahlung and characteristic Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Bremmstahlung	continuous, most xray produced within tube Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Brem	max kVp chosen is the most energy a brem can produce Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Brem	electron heads toward nucleus then goes around slowly Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Brem	inner 2/3 sticks in the pt while the other 1/3 is turned to xray Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Brem	less than 1% turns to xray and the other turns to heat Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Brem	the more change in direction is the more loss of energy Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
xrays are produced where	focal tract of anode Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
electrons come from	the filament of the cathode Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Brem	incoming ELECTRONS slows around nucleus in the target atom Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Characteristic	incoming ELECTRONS interact with inner shell electrons Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Characteristic 1	e comes in with same energy as inner shell electron knocks it out Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Characteristic 2	then xray is produced Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Characteristic 3	the next shell replaces the one that was booted out Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
Characteristic	Discrete graph, want k shell to be ejected Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
transformer laws	turns ratio, transformer voltage, transformer current Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
turns ratio	ts/tp Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
transformer voltage	ts/tp= vs/vp Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
transformer current	ts/tp=Ip/Is Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
turns ratio	less than 1 = step down Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
turns ratio	more than = step up Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
three phase 6 pulse	voltage ripple 13-14 Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
three phase 12 pulse	voltage ripple 3-4 Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet(Unpublished course reference). University of Southern Indiana, Evansville, IN.
pulses	60 cycles of sinusoidal wavelength per 1 sec in US Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
pulses	120 pulses of energy per second in the US Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
tube cooling chart	used for safety cold anode=cracking Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet(Unpublished course reference). University of Southern Indiana, Evansville, IN.
heat units	single phase 1.00, 3 phase 6 pulse 1.35, 3 phase 12 pulse HF 1.45 Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
reciprocal resistance	total R is < least R and is ~ 1/2 value of the least resistor Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
frequency and wavelength	f increases, wavelength decreases Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet(Unpublished course reference). University of Southern Indiana, Evansville, IN.
frequency and energy	f increases, energy increases Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
energy and wavelength	energy increases, wavelength decreases Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
quality	kvp, penetration power Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
quantity	mA, intensity, amount, rate of exposure Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
primary	xray coming out of the tube hitting patient Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
remnant	exits patient toward receptor Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
fundamental properties	electromagnetic radiation heterogenous (not all same energy level) Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
fundamental properties	travel at speed of light high frequency and short wavelength Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
off center	the central ray is not centered to the center of the grid Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet (Unpublished course reference). University of Southern Indiana, Evansville, IN.
fundamental properties	polyenergetic travel in STRAIGHT LINE no electric charge or mAs Schmuck, H. (2020). RADT465 Unit 2: Image Production/Equipment Operation and Quality Assurance Worksheet(Unpublished course reference). University of Southern Indiana, Evansville, IN.