3d reconstruction - Samenvattingen, Aantekeningen en Examens

CT registry- image production Exam Questions and Answers 100% Pass Fundamental principle of ct may be summarized as - Correct Answer ️️ -An image of an object may be reconstructed on the basis of the attenuation that occurs as x radiation is transmitted through it Detectors measure - Correct Answer ️️ -The radiation that is transmitted through the pt. An image is reconstructed in the basis of the magnitude of X-ray attenuation that occurs at spatially distributed points within the...

CHAPTER 1. THREE OLD WORLDS CREATE A NEW, 1492–1600 1-1. American Societies 1-1a. Ancient America 1-1b. Mesoamerican Civilizations 1-1c. Pueblos and Mississippians 1-1d. Aztecs 1-2. North America in 1492 1-2a. Gendered Division of Labor 1-2b. Social Organization 1-2c. War and Politics 1-2d. Religion 1-3. African Societies 1-3a. West Africa (Guinea) 1-3b. Complementary Gender Roles 1-3c. Slavery in Guinea 1-4. European Societies 1-4a. Gender, Work, Politics, and Religion 1-4b. ...

Aquifer - RadiologyWindow vs. Reconstruction on CT? - correct answer Reconstructions - processing of the raw CT data allows for better resolution of the structures [higher resolution and higher contrast] Reconstruction can be done in 3D (ortho) or in a linear way too (vascular) What is the total range of hounsfield units availabe? - correct answer -1000 (air) to +1000 (metal) [so range is 2000] What does a typical computer display show for greyscale range? What can the human eye actu...

MIC CT REGISTRY REVIEW QUESTIONS AND ANSWERS 100% Solved Using ______ reconstruction filter would decrease the appearance of noise in a CT image. 1. no 2. a sharp 3. a smooth a. 1 only b. 2 only c. 2 & 3 d. 3 only B A ______ scan uses only a single projection. 1. conventional, or serial 2. helical 3. localizer a. 1 only b. 2 only c. 3 only d. 1, 2, & 3 C Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:10 / 0:15 Full screen Brai...

Aquifer – Radiology Questions and Answers 100% correct 2023 Window vs. Reconstruction on CT? Reconstructions - processing of the raw CT data allows for better resolution of the structures [higher resolution and higher contrast] Reconstruction can be done in 3D (ortho) or in a linear way too (vascular) What is the total range of hounsfield units availabe? -1000 (air) to +1000 (metal) [so range is 2000] What does a typical computer display show for greyscale range? What can t...

What is radiation? - The transfer of energy by electromagnetic waves Types of radiation? - ionizing and nonionizing What is non-ionizing radiation? - Low energy, longer wave lengths that do not have the capacity to ionize. Examples are ultraviolet, visible light, infrared, microwave What is ionizing radiation? - It is any electromagnetic or particulate radiation capable of producing ions either directly or indirectly as a result of interaction with matter. What are x-r...

CT Registry Review Questions and Answers Already Passed Using a ___ reconstruction filter would decrease the appearance of noise in a CT image Smooth A ___ scan uses only a single projection. Localizer T or F The volume data from which the 3D SSD is generated is created by combining transverse, sagittal and coronal recons False 3 types of storage media that may hold CT image data -internal hard disk -CD -re-writable optical disk ___ may have to be edited from the data set to get a diagnost...

Aquifer - Radiology Actual Exam Questions With Answers Window vs. Reconstruction on CT? - ANSWER- Reconstructions - processing of the raw CT data allows for better resolution of the structures [higher resolution and higher contrast] Reconstruction can be done in 3D (ortho) or in a linear way too (vascular) What is the total range of hounsfield units availabe? - ANSWER- -1000 (air) to +1000 (metal) [so range is 2000] What does a typical computer display show for greyscale range? What...

MIC CT Registry Review - Module 2 Image Formation Graded A+ Interpolation The Mathematical calculation that divides the helical data into raw data files into individual planar slices Types of methods of image reconstruction -Filtered Back projection reconstruction -Iterative reconstruction -Cone beam reconstruction Filtered back projection The reconstruction method that raw data must go through inorder to form a CT image Back projection A technique which adds together the attenuati...

Aquifer - Radiology Actual Exam Questions With Answers Window vs. Reconstruction on CT? - ANSWER- Reconstructions - processing of the raw CT data allows for better resolution of the structures [higher resolution and higher contrast] Reconstruction can be done in 3D (ortho) or in a linear way too (vascular) What is the total range of hounsfield units availabe? - ANSWER- -1000 (air) to +1000 (metal) [so range is 2000] What does a typical computer display show for greyscale range? What...