LMRT Core Review 90 Questions and answers
Newest 100% PASS
restrict the XR beam to the clinical area of interest - Correct Answers As a professional radiographer, the
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
practice of ALARA requires you to
II! II! II! II! II! II!
II! prime - Correct Answers The factors that affect XR emission under the direct control of the radiographer
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! are called_ factors
II! II!
II! beam quality - Correct Answers Milliamperage-second (mAs) directly affects all of the following EXCEPT
II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! mA & filtration - Correct Answers The factors that directly affect XR quantity are
II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! kVp & beam filtration - Correct Answers The factors that directly affect XR quality are
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! 6.3 x 10(18) - Correct Answers If 1 coulomb is equal to 6.3 x 10(18) electron charges, how many electrons
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! flow from cathode to anode 1 second
II! II! II! II! II! II!
II! 6.3 x 10(15) - Correct Answers If 1 ampere equals a flow of 6.3 x 10(18) electrons per second, how many
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! electrons flow from cathode to anode in 1 milliampere? II! II! II! II! II! II! II! II!
II! increase 2-fold - Correct Answers As the mA doubles, the number of electrons flowing from cathode to
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! anode
II! XR beam quantity - Correct Answers The product of tube current 7 exposure time is equal to
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! change the mAs from 15-21 mAs - Correct Answers In order to increase radiographic film density by 40%
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! the radiographer would
II! II!
II! directly proportional - Correct Answers The relationship between mAs & exposure is
II! II! II! II! II! II! II! II! II! II! II! II!
, II! the reciprocity law - Correct Answers The reaction of a photographic film to light is equal to the product
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! of the intensity of the light and the duration of the light exposure.
II! II! II! II! II! II! II! II! II! II! II! II!
II! cause the electrons to travel faster from cathode to anode - Correct Answers Increasing the kVp for an
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! exposure will II!
II! greater energy - Correct Answers Increasing the energy of an incident electron will result in the
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! production of an XR photon with II! II! II! II! II!
II! radiographic film density - Correct Answers Kilovoltage is the primary controlling factor of
II! II! II! II! II! II! II! II! II! II! II! II! II!
II! contrast - Correct Answers Adjustments in kVp should be used to control radiographic
II! II! II! II! II! II! II! II! II! II! II! II! II!
II! kVp - Correct Answers XR beam penetrability is primarily controlled by
II! II! II! II! II! II! II! II! II! II! II!
II! 400 mA, 200 ms, 40" SID - Correct Answers All factor remaining constant, which of the following set of
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! exposure conditions would yield an image with GREATEST radiographic film density
II! II! II! II! II! II! II! II! II! II!
II! motion - Correct Answers The length of the exposure time (S) for a radiograph, is used to primarily
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! control
II! 400 mA,0.110 sec, 80 kVp - Correct Answers A radiograph is taken 400 mA, 55 ms, 95 kVp. A second
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! image could be taken to improve contrast at
II! II! II! II! II! II! II!
II! attenuation - Correct Answers When an XR photon passes through matter, it undergoes a process called
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! reduce in number - Correct Answers During the process of attenuation, XR photons in the beam
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! lead (Z=82) - Correct Answers In which element are the inner-shell electrons more tightly bound to the
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! nucleus?
Newest 100% PASS
restrict the XR beam to the clinical area of interest - Correct Answers As a professional radiographer, the
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
practice of ALARA requires you to
II! II! II! II! II! II!
II! prime - Correct Answers The factors that affect XR emission under the direct control of the radiographer
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! are called_ factors
II! II!
II! beam quality - Correct Answers Milliamperage-second (mAs) directly affects all of the following EXCEPT
II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! mA & filtration - Correct Answers The factors that directly affect XR quantity are
II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! kVp & beam filtration - Correct Answers The factors that directly affect XR quality are
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! 6.3 x 10(18) - Correct Answers If 1 coulomb is equal to 6.3 x 10(18) electron charges, how many electrons
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! flow from cathode to anode 1 second
II! II! II! II! II! II!
II! 6.3 x 10(15) - Correct Answers If 1 ampere equals a flow of 6.3 x 10(18) electrons per second, how many
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! electrons flow from cathode to anode in 1 milliampere? II! II! II! II! II! II! II! II!
II! increase 2-fold - Correct Answers As the mA doubles, the number of electrons flowing from cathode to
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! anode
II! XR beam quantity - Correct Answers The product of tube current 7 exposure time is equal to
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! change the mAs from 15-21 mAs - Correct Answers In order to increase radiographic film density by 40%
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! the radiographer would
II! II!
II! directly proportional - Correct Answers The relationship between mAs & exposure is
II! II! II! II! II! II! II! II! II! II! II! II!
, II! the reciprocity law - Correct Answers The reaction of a photographic film to light is equal to the product
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! of the intensity of the light and the duration of the light exposure.
II! II! II! II! II! II! II! II! II! II! II! II!
II! cause the electrons to travel faster from cathode to anode - Correct Answers Increasing the kVp for an
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! exposure will II!
II! greater energy - Correct Answers Increasing the energy of an incident electron will result in the
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! production of an XR photon with II! II! II! II! II!
II! radiographic film density - Correct Answers Kilovoltage is the primary controlling factor of
II! II! II! II! II! II! II! II! II! II! II! II! II!
II! contrast - Correct Answers Adjustments in kVp should be used to control radiographic
II! II! II! II! II! II! II! II! II! II! II! II! II!
II! kVp - Correct Answers XR beam penetrability is primarily controlled by
II! II! II! II! II! II! II! II! II! II! II!
II! 400 mA, 200 ms, 40" SID - Correct Answers All factor remaining constant, which of the following set of
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! exposure conditions would yield an image with GREATEST radiographic film density
II! II! II! II! II! II! II! II! II! II!
II! motion - Correct Answers The length of the exposure time (S) for a radiograph, is used to primarily
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! control
II! 400 mA,0.110 sec, 80 kVp - Correct Answers A radiograph is taken 400 mA, 55 ms, 95 kVp. A second
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! image could be taken to improve contrast at
II! II! II! II! II! II! II!
II! attenuation - Correct Answers When an XR photon passes through matter, it undergoes a process called
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! reduce in number - Correct Answers During the process of attenuation, XR photons in the beam
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! lead (Z=82) - Correct Answers In which element are the inner-shell electrons more tightly bound to the
II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! nucleus?
