NMTCB CT BOARD EXAM (2024-2025) GRADED A+
the approximate inherent filtration of the CT x-ray amounts to
the aluminum equivalent of - <<<Answers>>>3 mm
longitudinal dimension of voxel - <<<Answers>>>z-axis
the information included during the 3D reconstruction of a CT
scan is controlled by the - <<<Answers>>>threshold setting
Which cranial nerve would an acoustic neuroma be found on?
- <<<Answers>>>8th (Vestibulocochlear nerve)
Intrathecal injection of contrast places contrast directly into
the - <<<Answers>>>Subarachnoid space
Serum iodine concentration for adequate tissue opacification
is - <<<Answers>>>2-8 mg/mL
The Lisfranc joint is the articulation between the -
<<<Answers>>>Tarsals and metatarsals
Components of adnexal area of uterus -
<<<Answers>>>Ovaries and Fallopian tubes
,At what percentage of overlap should CT sections be
reconstructed to improve the quality of MPR images? -
<<<Answers>>>50%
Which of the paranasal sinuses is usually the last to develop? -
<<<Answers>>>Frontal
Bowel obstruction due to loss of normal contractile motion in
an area of the intestine is termed - <<<Answers>>>Ileus
CTA of the renal arteries should be performed using a section
width of - <<<Answers>>>1.25mm or less
The kidneys are located in the retroperitoneum and are bound
by a band of fibrous connective tissue called -
<<<Answers>>>Gerota's fascia
The prone position may be used for a post myelogram CT
exam of the lumbar spine in an effort to -
<<<Answers>>>Reduce metrizamide (contrast) pooling
Pancreatic phase of contrast enhancement -
<<<Answers>>>35-45 seconds
Filament sizes for modern CT X-ray tubes range between -
<<<Answers>>>0.5-1.2mm
, The mathematical process that allows MDCT images to be
reconstructed at any point along the acquired volume is
commonly referred to as - <<<Answers>>>Z-filtering
Fourth generation CT scanners use a ____ tube-detector
configuration - <<<Answers>>>Rotate-stationary
Which mathematical reconstruction methods is used by most
modern CT scanners? - <<<Answers>>>Filtered back-
projection
Power output for a modern MDCT X-ray tube has an
approximate range of - <<<Answers>>>60-100 kW
The mathematical technique that involves that estimation of
an unknown value from values on either side of it is known as
- <<<Answers>>>Interpolation
Bow-tie filters are employed in a CT x-ray system to reduce -
<<<Answers>>>Patient radiation dose
An error occurring in the superior portion of the skull, where
dense bone averages with the low-attenuating brain tissue
(partial volume artifact) - <<<Answers>>>Cupping artifact
the approximate inherent filtration of the CT x-ray amounts to
the aluminum equivalent of - <<<Answers>>>3 mm
longitudinal dimension of voxel - <<<Answers>>>z-axis
the information included during the 3D reconstruction of a CT
scan is controlled by the - <<<Answers>>>threshold setting
Which cranial nerve would an acoustic neuroma be found on?
- <<<Answers>>>8th (Vestibulocochlear nerve)
Intrathecal injection of contrast places contrast directly into
the - <<<Answers>>>Subarachnoid space
Serum iodine concentration for adequate tissue opacification
is - <<<Answers>>>2-8 mg/mL
The Lisfranc joint is the articulation between the -
<<<Answers>>>Tarsals and metatarsals
Components of adnexal area of uterus -
<<<Answers>>>Ovaries and Fallopian tubes
,At what percentage of overlap should CT sections be
reconstructed to improve the quality of MPR images? -
<<<Answers>>>50%
Which of the paranasal sinuses is usually the last to develop? -
<<<Answers>>>Frontal
Bowel obstruction due to loss of normal contractile motion in
an area of the intestine is termed - <<<Answers>>>Ileus
CTA of the renal arteries should be performed using a section
width of - <<<Answers>>>1.25mm or less
The kidneys are located in the retroperitoneum and are bound
by a band of fibrous connective tissue called -
<<<Answers>>>Gerota's fascia
The prone position may be used for a post myelogram CT
exam of the lumbar spine in an effort to -
<<<Answers>>>Reduce metrizamide (contrast) pooling
Pancreatic phase of contrast enhancement -
<<<Answers>>>35-45 seconds
Filament sizes for modern CT X-ray tubes range between -
<<<Answers>>>0.5-1.2mm
, The mathematical process that allows MDCT images to be
reconstructed at any point along the acquired volume is
commonly referred to as - <<<Answers>>>Z-filtering
Fourth generation CT scanners use a ____ tube-detector
configuration - <<<Answers>>>Rotate-stationary
Which mathematical reconstruction methods is used by most
modern CT scanners? - <<<Answers>>>Filtered back-
projection
Power output for a modern MDCT X-ray tube has an
approximate range of - <<<Answers>>>60-100 kW
The mathematical technique that involves that estimation of
an unknown value from values on either side of it is known as
- <<<Answers>>>Interpolation
Bow-tie filters are employed in a CT x-ray system to reduce -
<<<Answers>>>Patient radiation dose
An error occurring in the superior portion of the skull, where
dense bone averages with the low-attenuating brain tissue
(partial volume artifact) - <<<Answers>>>Cupping artifact
