PDF Download
FREE RADIOLOGY AND STUDY GAMES ABOUT MOCK
FLUORO EXAM
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -98 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Which of the following does not affect the amount of scattered radiation produced?
- focal spot size
- body thickness
- kVp
- collimation
Answer:
- focal spot size
Question 2: The reason for personnel monitoring is to document that no one receives more
than:
- MPD equivalent
- 1/10 MPD
- 1.25 per quarter
- 5000 MR
Answer:
- MPD equivalent
Question 3: The purpose of a 5 minute timer is to:
- terminate the exposure
- open the circuit
- protect the operator
- protect the patient
Answer:
- protect the patient
- eliminate the need for a tech to set technique
- limit the exposure rate to the patient
- to keep the dose rate at 10R/hr
- provide variable exposure rates
Question 4: The purpose of ABS in an image intensifier is to:
Answer:
- limit the exposure rate to the patient
- half value layer
- kVp level
- amount of filtration
- milliamperage
Question 5: Which of the following control the "quantity" of the beam?
Answer:
- milliamperage
- primary wall barriers
- input phosphor of the II
- the patient
- led curtain hanging from the II
Question 6: Which of the following serves as the primary protective barrier for a dedicated C-arm unit?
Answer:
- input phosphor of the image intensifier
Question 7: The protective curtain hanging from the fluoro tower must have a minimum lead
equivalent of:
- 0.25 mm Pb
- 2.5 mm Pb
- 2.5 mm Al
- 1.5 mm Al
Answer:
- 0.25 mm Pb
Question 8: An area controlled by state regulation where radiation safety is used and enforced
is called a:
- controlled area
- high radiation area
- radiation area
- uncontrolled area
Answer:
- controlled area
- 5000(n-18)
- 5(N-18)
- 2(n2)
- age x 1 REM
Question 9: Which of the following is the formula for calculating the maximum permissible lifetime dose for a tech?
Answer:
- age x 1 REM
Question 10: a. less scattered radiation reaches the input phosphor
- the effective milliamperage increases
- the effective kVp increases
- less primary radiation reaches the input phosphor
Answer:
- less scattered radiation reaches the input phosphor
Question 11: For fixed fluoroscopic tube, the distance from the source (x-ray tube) to the
tabletop shall be:
- 12 inches
- 18 inches
- 24 inches
- 15 inches
Answer:
- 15 inches
Question 12: All gonadal shielding must have a minimum lead equivalency of:
- 0.25 mm
- 1.0 mm
- 0.75 mm
- 0.5 mm
Answer:
- 0.5 mm
- moving the source further away
- increasing exposure time
- moving the source closer
- decreasing kVp
Question 13: During fluoroscopic imaging you can reduce patients dose by:
Answer:
- moving the source further away
- high resolution framing
- maximum horizontal framing
- exact area framing
- total over framing
Question 14: In cinefluoroscopy, the maximum magnification is achieved w/which of the following filming method?
Answer:
- total over framing
Question 15: All of the following are regulated by state provisions for quality assurance and
s/be checked at least semi-annually except:
- filtration
- measurement of mA and kVp levels on a phantom
- timer accuracy
- kVp accuracy
Answer:
- measurment of mA and kVp levels on a phantom
Question 16: Quantum mottle is seen as a grainy appearance due to the loss of:
Answer:
See next