LMRT CORE REVIEW 2025| BRAND NEW
ACTUAL EXAM WITH 100% VERIFIED
QUESTIONS AND CORRECT SOLUTIONS|
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1. As a professional radiographer, the practice of ALARA requires you to -
Correct Answer-restrict the XR beam to the clinical area of interest
2. The factors that affect XR emission under the direct control of the
radiographer are called_ factors - Correct Answer-prime
3. Milliamperage-second (mAs) directly affects all of the following EXCEPT
- Correct Answer-beam quality
4. The factors that directly affect XR quantity are - Correct Answer-mA &
filtration
5. The factors that directly affect XR quality are - Correct Answer-kVp &
beam filtration
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6. If 1 coulomb is equal to 6.3 x 10(18) electron charges, how many
electrons flow from cathode to anode 1 second - Correct Answer-6.3 x
10(18)
7. If 1 ampere equals a flow of 6.3 x 10(18) electrons per second, how
many electrons flow from cathode to anode in 1 milliampere? - Correct
Answer-6.3 x 10(15)
8. As the mA doubles, the number of electrons flowing from cathode to
anode - Correct Answer-increase 2-fold
9. The product of tube current 7 exposure time is equal to - Correct
Answer-XR beam quantity
10. In order to increase radiographic film density by 40% the
radiographer would - Correct Answer-change the mAs from 15-21 mAs
11. The relationship between mAs & exposure is - Correct Answer-
directly proportional
12. The reaction of a photographic film to light is equal to the product of
the intensity of the light and the duration of the light exposure. - Correct
Answer-the reciprocity law