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RTBC EXAM 121 QUESTIONS WITH ACCURATE ANSWERS!!
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RTBC EXAM 121 QUESTIONS WITH ACCURATE ANSWERS!!
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RTBC EXAM 121 QUESTIONS WITHACCURATE ANSWERS!!
the formation of urine begins in the: Answer - glomerulus
in which quadrant of the abdomen is the vermiform appendix? Answer - right
lower quadrant
what is used to change the grayscale values in the recorded image to a new
range of values in order to improve the displayed image? Answer - Look-up
table
what is the primary absorber of xray photons during fluoroscopic procedures?
Answer - Patient
what structure is located at the level of the interspace between T4-T5? Answer
- sternal angle
who is required to wear a personnel dosimeter? Answer - anyone who may be
exposed to an annual occupational dose of 5mSv
the distance from the center of one pixel to the center of the adjacent pixel is
called what? Answer - pitch
what condition would be an indication for retrograde uretherography? Answer
- Urethral obstruction
, dynamic range Answer - range of exposures that can be captured by a detector
what projection would best demonstrate the cuboid bone? Answer - Medial
oblique foot
the purpose of adding phases and rectifiers in the xray circuit is to: Answer -
maintain high voltage
what exposure technique system uses the rule to double of halve milliampere
seconds for every 5cm of subject thickness? Answer - Fixed kVp system
what valve in the heart separates the right atrium Answer -
what is the area of the anode called that is struck by the electrons released
from the focusing cup? Answer - actual focal spot
When using fluoroscopy, what is directly proportional to the exposure
delivered to the patient? Answer - mA
the gray-scale of a digital image is affected by the: Answer - bit depth
the distance from the center of one pixel to the center of the adjacent pixel is
called: Answer - pitch
exposure latitude is defined as the: Answer - range of exposures that produces
quality images at an appropriate patient dose
effective focal spot Answer - the area of the focal spot that is projected out of
the tube toward the object being imaged
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