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California Fluoroscopy State Board Exam: Questions & Answers, Exams of Radiology

Virginia State University (VSU)Radiology

Questions and answers on fluoroscopy, a real-time x-ray imaging technique. Topics include digital imaging, radiation safety, image intensification, and regulatory compliance. Useful for radiology students and professionals preparing for exams. A concise review of fluoroscopy principles, valuable for exam prep and continuing education. Addresses radiation protection, image quality, and equipment operation. Structured as Q&A for quick review and self-assessment. Reinforces understanding of fluoroscopy, enhancing competence in medical imaging.

Typology: Exams

2024/2025

Available from 07/30/2025

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CALIFORNIA FLUOROSCOPY STATE BOARD EXAM
QUESTIONS & ANSWERS
What digital fluoroscopic imaging technique utilizes
changing masks, which provides information of changes
in contrast media content within a structure
1.Time interval difference imaging
2. Mask mode fluoroscopy
3. K -edge fluoroscopy
4. Synchronized fluoroscopy - ANSWER->1. Time interval
difference imaging
All of the following will directly influence the table-top
exposure rate except
1. Light in the fluoroscopy room
2. kVp
3. Target to panel distance
4. Filtration - ANSWER->1. Light in the fluoroscopy room
Attenuation of a radiation beam's intensity as it passes
through an absorber is governed by
1. Time
2. The specific mediums density
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CALIFORNIA FLUOROSCOPY STATE BOARD EXAM QUESTIONS & ANSWERS What digital fluoroscopic imaging technique utilizes changing masks, which provides information of changes in contrast media content within a structure 1.Time interval difference imaging

  1. Mask mode fluoroscopy
  2. K - edge fluoroscopy
  3. Synchronized fluoroscopy - ANSWER->1. Time interval difference imaging All of the following will directly influence the table-top exposure rate except
  4. Light in the fluoroscopy room
  5. kVp
  6. Target to panel distance
  7. Filtration - ANSWER->1. Light in the fluoroscopy room Attenuation of a radiation beam's intensity as it passes through an absorber is governed by
  8. Time
  9. The specific mediums density
  1. The energy of the radiation
  2. The thickness of the absorber traversed - ANSWER->2. The specific mediums density
  3. The energy or radiation
  4. The thickness of the absorber traversed What recording medium will result in the least recorded resolution
  5. Spot films using a spot film camera
  6. video tape recording
  7. spot films using conventional cassettes
  8. video disc recording - ANSWER->2. video tape recording During the period when an individual receives an occupational dose, they are _ considered to be a "member of the public"
  9. sometimes
  10. always
  11. it depends
  12. never - ANSWER->4.never
  1. automatic brightness stabilizer
  2. camera control unit
  3. vidicon - ANSWER->2. automatic brightness stabilizer Energy subtraction as used in digital fluoroscopy exhibits less _ than temporal subtraction
  4. complexity
  5. x-ray intensity
  6. kVp
  7. motion artifact - ANSWER->4. motion artifact Bone marrow dose is measured
  8. directly from bone marrow
  9. as estimate from gonadal dose
  10. as an estimate from ESE
  11. directly from the beam - ANSWER->3. as an estimate from the ESE The Privacy Rule is meant to ensure that there is/are
  12. security of electronic personal health information
  13. standardization of electronic patient health data 3. limits PHI to a "need to know.." basis to carry out medical treatment
  1. all the listed answers - ANSWER->4. all the listed answers To provide illumination stability of the virtual image during fluoroscopy, most modern units will automatically adjust radiation levels for more dense and more radiolucent body parts. This functionality is known as:
  2. velling glare
  3. image flare
  4. automatic adaption
  5. automatic brightness control - ANSWER->4. automatic brightness control The electronic signal which carries image information from a television camera to a viewing monitor is termed the:
  6. video signal
  7. return beam
  8. synchronization pulse
  9. bandpass - ANSWER->1. video signal If only one personnel monitoring device is worn, it must be located
  1. provides a permanent record
  2. provides an objective review of exposure history - ANSWER->c. 1 and 3 which of the following statements is true with respect to obtaining a medical history for a radiographic examination
  3. should include any pertinent information about the patient and indicated the reason for the examination
  4. is not considered confidential information
  5. required only for inpatients
  6. is always obtained by the radiologist - ANSWER->1. should include any pertinent information about the patient and indicated the reason for the examination In a television system, the ratio between the vertical resolution and the number of horizontal scan lines is called the
  7. line rate factor
  8. kell factor
  9. conversion factor
  10. resolution factor - ANSWER->2. kell factor

In an image intensification tube, to prevent light from scattering back towards the photo cathode layer, a thin sheet of aluminum is placed onto the :

  1. output phosphor
  2. accelerating anode
  3. photo cathode
  4. input phosphor - ANSWER->output phosphor Digital photo spot image recording provides which of the following advantages 1. instant image playback
  5. electronic image enlargement
  6. improved resolution over conventional spot film c. 1,2 and 3 d. 1 only - ANSWER->c. 1,2 and 3 California state regulations state the target to panel or target to table
  7. shall not be more than 18 inches
  8. shall not be less than 12 inches
  9. should not be less than 12 inches
  10. should not be more than 18 inches - ANSWER->2. shall not be less then 12 inches
  1. synchronized
  2. interpolated
  3. interlaced
  4. modulated - ANSWER->1. synchronized It is known the intensity of radiation varies inversely to the square of the distance. As one moves away from the source of scatter radiation, they will receive less radiation dose because _
  5. the air gap has a tendency to absorb some intensity
  6. the scattered photons are much lower in energy
  7. the photons are scattered in opposite directions 4. the scattered photons will diverge from the source tissues
    • ANSWER->1. the scattered photons are much lower in energy Which of the following will decrease the integral patient dose without decreasing image brightness
  8. decreasing the x-ray field size
  9. increase the distance of the image intensifier tube to the patient
  10. increasing the kVp
  1. decreasing the TPD (target to panel distance) - ANSWER->4. decreasing the TPD Mobile image intensified fluoroscopy used for diagnostic purposes must not exceed _ as measured at 30 cm from the input surface of the fluoroscopic assembly
  2. 10 R/min ( 44 m/Gy per min.)
  3. 1 R/min (mGy per min.)
  4. 3 R/min (0.5m/Gy per min.)
  5. 5 R/min (44 m/Gy per min.) - ANSWER->5 R/min ( m/Gy per min.) Which of the following contributes to the "total" filtration of the useful x-ray beam 1. added filtration
  6. inherent filtration
  7. xray tube, table, and grid d. 2 only - ANSWER->c. 1,2 and 3 When performing a fluoroscopic procedure, the primary source of scattered radiation is emitted from the:
  8. patient
  9. table top
  10. leakage radiation

d. all of the above - ANSWER->3. useful beam What happens in the image intensification tube when magnification mode is activated?

  1. the electron stream is further compressed
  2. available input surface area being utilized is reduced
  3. the electrostatic lens voltage is increased
  4. electron crossover point moves further away from the input phosphor - ANSWER->1. the electron stream is further compressed
  5. available input surface area being utilized is reduced According to CA state regulations, using a fluoroscope to position patients prior to taking a routine radio graphic film is
  6. prohibited by law
  7. generally acceptable
  8. up the licentiate's discretion
  9. acceptable under certain conditions - ANSWER->1. prohibited by law If an occupational worker receives 500 millirem on a film badge report, this will most likely indicate?
  1. poor work habits
  2. the worker is wearing the film badge in the wrong place
  3. a wrong reading
  4. all of the above - ANSWER->1. poor work habits In a fluoroscopy system which utilizes a selenium panel detection system, the _ converts x-ray energy into free electrons
  5. scintillator
  6. photo detector
  7. ionization event
  8. photon attractor - ANSWER->3. ionization event the rendered pixel size will have a direct effect on _ when viewing the virtual image on a LCD monitor
  9. image brightness
  10. image size
  11. image contrast
  12. image resolution - ANSWER->1. image resolution

The component in an image intensifier tube that determines the amount of magnification in the virtual image is the 1. focusing cup

  1. magnifying lens
  2. electrostatic lens
  3. accelerating anode - ANSWER->1. electrostatic lens within HIPAA regulations, computerized medical records
  4. pose problems of confidentiality
  5. make a record maintenance and retrieval more efficient

should be accessed on a need-to-know basis all of the above - ANSWER->3. should be accessed on a need-to- know basis California regulations require that gonadal shielding may not be less than: 1. 0.5 mm Pb

  1. 0.25 mm Pb
  2. 1.5 mm Pb
  3. 2.5 mm Pb - ANSWER->1. 0.5 mm Pb Which of the following dose rate indicators must be readily available to a fluoroscopic user?
  4. x-ray tube current meter
  5. x-ray tube potential meter
  6. x-ray "beam on" timer - ANSWER->1. x-ray tube current meter
  7. x-ray tube potential meter video disk recording when properly interfaced to the fluoroscope by a technique called "electronic
  1. charge coupled device (CCD)
  2. vidicon camera
  3. plumbicon camera - ANSWER->2. charge coupled device (CCD) The ability to resolve the image dots on each scan line defines: horizontal resolution bandpass bandwidth vertical resolution - ANSWER->1. horizontal resolution The design of the cumulative manual - reset timer serves to protect the patient by making sure the: 1. patient is made aware of x-ray beam "on" time
  4. x-ray beam will permanently shut off until reset
  5. fluoroscopist is aware of x-ray beam "on" time
  6. patient radiation exposures do not exceed five minutes
  • ANSWER->3. fluoroscopist is aware of x-ray beam "on" time The reasonable effort that a health care provider uses to limit disclosure of patient information is referred to as:
  1. privacy rule
  2. confidentiality
  3. minimum necessary standard
  4. all of the above - ANSWER->4. all of the above Maximum differential absorption by the tissues can be obtained by selecting the correct _ in order to produce a high - quality fluoroscopic image milliamperage peak kilovolts