Core Exam 1 Questions And Answers With Verified Solutions 100% Correct!!!Which one of the following is said to directly proportional to receptor exposure? - ANSWER✔✔ mAs
What mAs is being used when the operator selects 300 mA & 0.15 seconds - ANSWER✔✔ 45 mA
Exposure factors of 100 mA & 0.05 second should produce approximately the same receptor exposure as factors of 300 mA & ___ second - ANSWER✔✔
0.0166
MAS1/mAS2= - ANSWER✔✔ SID12/SID22
The construction of the grid provides for a greater absorption of ___ radiation than of __ - ANSWER✔✔ Scattered; primary
Grids are recommended for body parts measuring greater than cm - ANSWER✔✔ 12
If optimum density was produced with 15 mAs & no grid what mAs is required in
order to maintain density after an 8:1 grid is added? - ANSWER✔✔ 60
If all other things are constant, increasing mAS is required when the part gets thicker in order to maintain - ANSWER✔✔ Receptor exposure
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Which one of the following describes the purpose of a beam restrictor? - ANSWER✔✔ To limit the beam to a precise anatomical area
A lead shield placed appropriately over male gonads can reduce dosage by as much as - ANSWER✔✔ 90%
More rows & columns in a matrix are like result in ___ pixels - ANSWER✔✔ Smaller
Which one of the following variables does not affect receptor exposure? - ANSWER✔✔ Focal spot size
The radiographic quality that is defined as misrepresentation of side or shape is: - ANSWER✔✔ Distortion
Which one of the following does not belong in a list describing low contest ? - ANSWER✔✔ Short scale
Which one of the following demonstrates edges of details & is said to be better for extremities - ANSWER✔✔ High contrast
Tilting the x ray tube 25° primarily increases which one of the following ? - ANSWER✔✔ Shape distortion
The invisible image in the receptor before processing is known as the ___ image - ANSWER✔✔ Latent
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