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
, 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
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
, 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
