8/27/26, 9:40 AM CT REGISTRY- STUDY THIS AND YOU'LL PASS!! (excluding anatomy) Flashcards | Quizlet
Houston Community College CTMT 2336
CT REGISTRY- STUDY THIS AND YOU'LL PASS!! (excluding
anatomy)
72 studiers today 4.7 (265 reviews)
Play your way to mastery with fun games
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Students also studied
Flashcard sets Study guides
Mosby CT Registry Review Mosby's CT Exam Review Practice Te... ARRT CT REGISTRY QUESTIONS Mosby
503 terms 165 terms 1,786 terms 137 term
morganlittle5 Preview shelbybandy Preview bric_gibbs Preview Kris
Terms in this set (589)
how do you reduce beam hardening 1. Increase dose
2. Reduce collimation--Reduce slice thickness
3. Increase window width
At what level does the abdominal aortal bifurcate? L4
What is the typical scan delay after injection of contrast 30-45 seconds
media for studies of the liver?
What window settings provide the best tissue window width= 140, level= 60
differentiation within the liver?
What is the window settings that provide the best bone window width=2000, window level=350
window for the pelvis?
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, 8/27/26, 9:40 AM CT REGISTRY- STUDY THIS AND YOU'LL PASS!! (excluding anatomy) Flashcards | Quizlet
What mAs is typically used in routine CT exams of the 200-300 mAs
abdomen?
What is the result of the bifurcation of the abdominal The right and left common iliac arteries
aorta?
What is the anode target angle? 12 degrees
At what level do the common carotids bifurcate into the C3-C4
internal and external carotid arteries?
The floor of the orbit is formed by the __________ bones. maxillary and zygomatic
The lateral wall of the orbit is formed by the ___________ zygomatic and sphenoid
bones.
The medial wall of the orbit is formed by the _________ ethmoid and lacrimal bones
bones.
how do you calculate effective mAs? mAs/pitch
define window level and window width LEVEL: a chosen midpoint in the grayscale
WIDTH: number of grayscale values above and below the level.
- The width is DIVIDED in HALF and distributed above and below the level.
- Anything above the window is white
- Anything below the window is black
The wider the window the more grayscale values, the lower the contrast!
example:
Level 100, Width 300
White = >+250
Black = <-50
Level 100, Width 200
White = >+200
Black = <0
Level 100, Width 150
White = >+175
Black = <25
https://quizlet.com/189789568/ct-registry-study-this-and-youll-pass-excluding-anatomy-flash-cards/ 2/9
Houston Community College CTMT 2336
CT REGISTRY- STUDY THIS AND YOU'LL PASS!! (excluding
anatomy)
72 studiers today 4.7 (265 reviews)
Play your way to mastery with fun games
Match Blocks Charms NEW
Students also studied
Flashcard sets Study guides
Mosby CT Registry Review Mosby's CT Exam Review Practice Te... ARRT CT REGISTRY QUESTIONS Mosby
503 terms 165 terms 1,786 terms 137 term
morganlittle5 Preview shelbybandy Preview bric_gibbs Preview Kris
Terms in this set (589)
how do you reduce beam hardening 1. Increase dose
2. Reduce collimation--Reduce slice thickness
3. Increase window width
At what level does the abdominal aortal bifurcate? L4
What is the typical scan delay after injection of contrast 30-45 seconds
media for studies of the liver?
What window settings provide the best tissue window width= 140, level= 60
differentiation within the liver?
What is the window settings that provide the best bone window width=2000, window level=350
window for the pelvis?
https://quizlet.com/189789568/ct-registry-study-this-and-youll-pass-excluding-anatomy-flash-cards/ 1/9
, 8/27/26, 9:40 AM CT REGISTRY- STUDY THIS AND YOU'LL PASS!! (excluding anatomy) Flashcards | Quizlet
What mAs is typically used in routine CT exams of the 200-300 mAs
abdomen?
What is the result of the bifurcation of the abdominal The right and left common iliac arteries
aorta?
What is the anode target angle? 12 degrees
At what level do the common carotids bifurcate into the C3-C4
internal and external carotid arteries?
The floor of the orbit is formed by the __________ bones. maxillary and zygomatic
The lateral wall of the orbit is formed by the ___________ zygomatic and sphenoid
bones.
The medial wall of the orbit is formed by the _________ ethmoid and lacrimal bones
bones.
how do you calculate effective mAs? mAs/pitch
define window level and window width LEVEL: a chosen midpoint in the grayscale
WIDTH: number of grayscale values above and below the level.
- The width is DIVIDED in HALF and distributed above and below the level.
- Anything above the window is white
- Anything below the window is black
The wider the window the more grayscale values, the lower the contrast!
example:
Level 100, Width 300
White = >+250
Black = <-50
Level 100, Width 200
White = >+200
Black = <0
Level 100, Width 150
White = >+175
Black = <25
https://quizlet.com/189789568/ct-registry-study-this-and-youll-pass-excluding-anatomy-flash-cards/ 2/9
