Which of the following technical factors adjustments should be made when negative contrast media agents are used?
A. decrease kilovoltage peak (kVp)
B. increase kilovoltage peak (kVp)
C. increased milliampere seconds (mAs)
D. decreased milliampere seconds (mAs) - ANSWER -A. decrease kilovolta...
Which of the following technical factors adjustments should be made when negative contrast media
agents are used?
A. decrease kilovoltage peak (kVp)
B. increase kilovoltage peak (kVp)
C. increased milliampere seconds (mAs)
D. decreased milliampere seconds (mAs) - ANSWER -A. decrease kilovoltage peak (kVp)
A patient is seen in the emergency department with a possible fracture of the 4th finger which of the
following would be proper positioning for this patient?
A. lateral projection with the arm resting on the ulnar surface
B. anteriorpostier (AP) projection with the finger curled as much as possible
C. oblique projection with the arm resting on the radial surface
D. posteroanterior (PA) projection with the hand curled around a sponge - ANSWER -A. lateral
projection with the arm resting on the ulnar surface
Which of the following characteristics describes x-ray beams used in diagnostic radiography
A. polyenergetic
B. heterogeneous
C. homogeneous
D. monoenergetic - ANSWER -A. polyenergetic & B. heterogeneous
A histogram in digital radiography refers to:
A. the number of brightness levels that can be assigned to a pixel
B. the size of the digital matrix
C. the frequency of recored exposure values
D. the range of exposure values that can be detected by the receptor - ANSWER -C. the frequency of
recored exposure values
During a series of a mobile chest x-rays in the emergency room department , the technologist fails to
adjust kilovoltage peak (kVp) for a hypersthenic patient after their previous asthenic patient . this is
likely to result in which of the following?
A. saturation
B. excessive image receptor exposure
C. ghosting
D. quantum mottle - ANSWER -D. quantum mottle
What type of joint is a costotransverse joint?
A. slightly moveable
B. immoveable
C. synovial gliding
D. synovial condyloid - ANSWER -C. synovial gliding
whats the purpose of primary beam restriction?
A. keep the amount of tissue irradiation to a minimum
, B. improve image quality
C. reduce patient exposure
D. reduce scatter production - ANSWER -ALL OF THE ABOVE
Following a sudden change of posture from the recumbent to the erect position, the patient complains
of dizziness and may experience syncope or fainting due to a condition know as:
A. orthostatic hypotension
B. neurogenic shock
C. hypoglycemia
D. hypoxemia - ANSWER -A. orthostatic hypotension
if a technologist states the the patient " if you dont hold still ill have to stick you again" the technologist
might be accused of:
A. false imprisonment
B. Battery
C. assault
D. negligence - ANSWER -C. assault
which projection best demonstrates the zygapophyseal joints of the cervical spine?
A. anteroposterior
B.anterior oblique
C. lateral
D. posterior oblique - ANSWER -C. lateral
how can radiation exposure rate influence biologic damage?
A.the slower a dose is delivered , the more damaging it is
B. the faster a dose is delivered, the more damaging it is
C. exposure rate is not related to biologic damage - ANSWER -B. the faster a dose is delivered, the more
damning it is
which facts below are true about fungi?
A. may be much lager than bacteria
B. may be classified as acid-fast
C. may reproduce by budding
D. uses host cell to reproduce
E. a common cause of strep throat
F. groups includes yeast - ANSWER -A,B,C,F
as the actual focus spot size increases, what happens to spatial resolution?
A. increases
B. decreases
C. no change
D. focal spot size ands spatial resolution are not related - ANSWER -B. DECREASES
which of the following would best help reduce radiation exposure to the radiographer?
A. increase kilovoltage peak (kVp)
B. increasing distance from the x-ray tube
C. increasing the focal spot
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