The electricity provided to the radiology department operates at:
A. 120 pulses per second
B. 60 pulses per second
C. 110 pulses per second
D. 220 pulses per second
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A. 120 pulses per second
In digital fluoroscopy, the image must be turned into digital form by what device:
A. Digital-to-analog converter
B. Flux capacitor
,C. Analog-to-digital converter
D. DVD-ROM
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C. Analog-to-digital converter
When a predetermined level of ionization is reached in the ionization chamber, what
does the machine do:
A. The unit shuts off as a result of malfunction
B. The maximum allowable time has been reached
C. The highest allowable dose to the patient has been reached
D. The exposure is terminated
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D. The exposure is terminated
The collimator must be accurate to a level of:
A. +/- 4% of SID
B. +/- 5% of SID
C. +/- 2% of SID
D. +/- 10% of SID
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, C. +/- 2% of SID
Which of the following is composed of solid-state silicon-based diodes:
A. Step-down transformer
B. Rectifier
C. Cathode
D. Timer
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B. Rectifier
An image intensifier's conversion factor is expressed as the ratio of:
A. The flux gain to the minification gain
B. The luminance of the output phosphor to the exposure rate of the input phosphor
C. The exposure rate at the output phosphor to the exposure rate oat the input
phosphor
D. The size of the input phosphor to the size of the output phosphor
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B. The luminance of the output phosphor to the exposure rate of the input
phosphor
, Effective quality control and quality assurance programs are required for
accreditation by:
A. The Joint Commission
B. Joint Review Committee on Education in Radiologic Technology
C. American Healthcare Radiology Administrators
D. American Registry of Radiologic Technologists
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A. The Joint Commission
A step-down transformer:
A. Steps down voltage
B. Steps down current
C. Steps up voltage
D. Steps up resistance
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A. Steps down voltage
Three-phase, 12-pulse full-wave rectification produces:
A. Direct current with 13% ripple
B. Direct current with 4% ripple
A. 120 pulses per second
B. 60 pulses per second
C. 110 pulses per second
D. 220 pulses per second
Give this one a try later!
A. 120 pulses per second
In digital fluoroscopy, the image must be turned into digital form by what device:
A. Digital-to-analog converter
B. Flux capacitor
,C. Analog-to-digital converter
D. DVD-ROM
Give this one a try later!
C. Analog-to-digital converter
When a predetermined level of ionization is reached in the ionization chamber, what
does the machine do:
A. The unit shuts off as a result of malfunction
B. The maximum allowable time has been reached
C. The highest allowable dose to the patient has been reached
D. The exposure is terminated
Give this one a try later!
D. The exposure is terminated
The collimator must be accurate to a level of:
A. +/- 4% of SID
B. +/- 5% of SID
C. +/- 2% of SID
D. +/- 10% of SID
Give this one a try later!
, C. +/- 2% of SID
Which of the following is composed of solid-state silicon-based diodes:
A. Step-down transformer
B. Rectifier
C. Cathode
D. Timer
Give this one a try later!
B. Rectifier
An image intensifier's conversion factor is expressed as the ratio of:
A. The flux gain to the minification gain
B. The luminance of the output phosphor to the exposure rate of the input phosphor
C. The exposure rate at the output phosphor to the exposure rate oat the input
phosphor
D. The size of the input phosphor to the size of the output phosphor
Give this one a try later!
B. The luminance of the output phosphor to the exposure rate of the input
phosphor
, Effective quality control and quality assurance programs are required for
accreditation by:
A. The Joint Commission
B. Joint Review Committee on Education in Radiologic Technology
C. American Healthcare Radiology Administrators
D. American Registry of Radiologic Technologists
Give this one a try later!
A. The Joint Commission
A step-down transformer:
A. Steps down voltage
B. Steps down current
C. Steps up voltage
D. Steps up resistance
Give this one a try later!
A. Steps down voltage
Three-phase, 12-pulse full-wave rectification produces:
A. Direct current with 13% ripple
B. Direct current with 4% ripple
