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CT - Imaging Final Exam Review Questions And Answers Guaranteed Pass.
What does the filtering in filtered back-projection refer to? - correct answers a mathematical operation For a reduction of tube current by one-half in a CT acquisition with no other parameter changes, what is the outcome? - correct answers decrease in patient does by one-half What is the limiting spatial resolution for a 25 cm field of view and an image matrix of 500 pixels across the field of view for the CT image in lp/cm - correct answers10 Most clinical x-ray CT scanners use what k...
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Ct Imaging Procedures: Post-Course Assessment Exam Questions With Correct Answers Guaranteed Pass.
PopularCombining individual detector rows together to form thicker data channels is specifically for: A. High-speed scanning B. High-resolution scanning C. Axial scanning D. Helical scanning - correct answers b. high resolution? what does it mean when there are GAPS in the data? a. reconstructed slice thickness > slice interval b. reconstructed slice thickness < slice interval c. reconstructed slice interval = slice thickness d. reconstructed slice thickness = acquisition sli...
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CT Bootcamp Mock Exam 1 Questions With Explanations Of Answers Well Defined.
What is the primary indication for CT colonography with volume-rendering (VR)? - correct answers Screening for colorectal carcinoma What person within the CT scan room are not required to wear protective lead apparel during the radiation exposure phase of the scan? - correct answers All persons must wear protective apparel What hypoattenuating contrast agent is commonly used in CT colonography to fill and distend the large bowel? - correct answers Room air What aspect of the CT scanner ...
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CT final exam questions with correct verified answers graded a+ pass guaranteed.
With the preprogrammed protocols (pre-selected kV, mAs, and pitch), the technologist will only have to adjust the _____________ and ______________ - correct answers scan range, field of view Most CT scans consist of a minimum of ____ scans - correct answers2 It is important that the operator inputs the proper patient data and patient ______________ on the table so that the software can properly annotate images - correct answers patient position Positioning aids for the head include a __...
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CT Exam 2 With Actual Questions And Correctly Well Defined Answers.
Volume acquisition scanners are based on: 1. slice by slice data acquisition 2. Slip ring technology 3. continuous rotation of the x-ray tube A. 1 and 2 B. 1 and 3 C. 2 and 3 D. All are correct - correct answersC. 2 and 3 Absorption efficiency refers to how efficiently x-ray photons are captured by the detectors True or false - correct answersTrue In multidetector scanning, which of the following determines slice thickness? A. pre-patient collimators B. post patient collima...
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2- CT Image Formation Practice Exam Questions And Answers Solved Success Guaranteed.
_______ allows us to represent cross-sections of the human body as digital images which can be displayed on computer monitors, and ultimately, on film. - correct answers Computed Tomography _______ images are numerical representations of an object that can be recognized and processed by a computer. - correct answers Digital The first step in generating a digital image of an object is to divide the object into a grid of small regions. Each small region of the grid is known as a picture elem...
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Elsevier: CT Review Questions- Imaging Procedures And 100% Correct Answers With Explanations For Exam Preparation Graded A+.
Which of the following is a typical protocol for a CT study of the brain for a patient with a history of dizziness? A. 10-mm × 10-mm sections from the skull base to the vertex B. 7-mm × 7-mm sections from the skull base to the posterior fossa C. 2.5-mm × 2.5-mm sections through the posterior fossa, 5 mm × 5 mm to vertex D. 1.5-mm × 1.5-mm sections from skull base to vertex - correct answersC (Patients with histories of headaches and/or dizziness should be evaluated for abnormali...
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CT test questions with all complete and verified solutions.
Indications for CT imaging of the head are: 1. Stroke and cerebral infarction 2. Hemorrhage in the brain substance 3. Chronic subdural hematoma 4. Primary brain tumors are menciona and glioblastoma multiforme - correct answers1, 2, 3, 4 Which of the following conditions relates to a loss of adequate blood supply to a portion of the brain? A. Tumor in the brain stem B. Hemorrhage in the brain substance C. Cerebral infarction D. Meningioma - correct answersC. Cerebral infarction C...
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Mock Ct Exam 1 Questions And 100% Correct Verified Guaranteed Answers.
What image axis in CT extends longitudinally through the scanner? - correct answers z-axis What IV contrast injection protocol enables maximum uptake and enhancement of spinal meningiomas? - correct answers150 mL volume, 3 mL/sec, 80 second delay What is the primary objective of a CT guided biopsy of a pulmonary nodule? - correct answers retrieve a tissue sample for histology What way does increasing the mA of a CT procedure affect the energy of characteristic x-ray photons? - correct a...
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Ct Registry Review Imaging Procedures Exam Written Questions With Correct And Verified Answers.
Abnormalities of the middle and inner ear may be best demonstrated using what size CT sections? - correct answers1-2mm Name three portions of the small bowel. - correct answers Duodenum jejunum ileum A _____is a benign, highly vascular mass commonly found in the liver. - correct answers Hemangioma Simple cysts of the kidney have average attenuation values in the range of? - correct answers0 to +20 hounsfield units The proper scan field of view (SFOV) for a CT of the abdomen of a pati...
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Imaging--CT and MRI Comprehensive Exam Questions And Answers Graded A+.
What does CT stand for? - correct answers Computed Tomography Describe how a CT scan creates an image - correct answers It uses x-rays. The tube head rotates around the subject creating a slice The end result is a two dimensional picture of the slice True or False--It is ok if the patient is not perfectly straight for a CT - correct answers FALSE!!! What are the 3 different scanning methods for CT? - correct answers Localizer Scan Conventional CT Scan Helical/Spiral CT Scan Descr...
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CT exam questions bootcamp assessment questions and answers well elaborated.
what radiation dose quantity is significantly influenced by the overall length of a CT scan? - correct answers dose length product (DLP) in what way do Compton scattering interactions affect the image quality of a CT scan? - correct answers decreased contrast resolution what liver pathology is commonly observed in CT as multiple hypoattenuating lesions - correct answers liver mets what is the primary indication for a CT colonography with volume rendering (VR)? - correct answers screenin...
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Mosby's Exam Review-CT (Imaging Procedures) Practice Questions With 100% Correct Answers.
Typical protocol for CT-brain for a pt w/ Hx of dizziness - correct answers2.5-mm × 2.5-mm sections through the posterior fossa, 5 mm × 5 mm to vertex What is the scout (localizer) projection used to prescribe an axial CT acquisition of the brain? - correct answersLAT scout Glioma is a general term used to describe a group of primary tumors. Consisting of malignant glial cells, gliomas occur in - correct answersthe brain Which of the following patient positions may have been used to p...
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CT Imaging 2 Real Exam Questions With Well Detailed Answers 100% Explained.
What disease process would demonstrate ring enhancing lesions in the brain on a CT scan? - correct answers Tuberculosis Which of the following is the primary goal of Choosing Wisely campaign? - correct answers Reduction of unnecessary medical procedures What type of contrast protocol would be beneficial for identifying neoplastic lesions? - correct answers slow flow rate, long scan delay Which innovation removed low-energy quanta from the higher spectrum to improve DECT image contrast w...
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CT Imaging 1 Exam Questions And Answers Rated A+ Assured Satisfaction.
Polychromatic - correct answers The x ray beam is comprised with photons of varying energies Beam Attenuation - correct answers The phenomenon in which an X-ray beam passing through a structure is decreased in intensity due to interaction with matter In dual source CT tubes are mounted at how many degrees from each other? - correct answers90° SPECT uses what frequency of electromagnetic radiation for radionuclide counts - correct answers Gamma Rays Angulation of the gantry is used F...
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