Physics final exam - Study guides, Class notes & Summaries

MRI Physics Final Exam Questions and Answers (Latest Update 2024) 100% Questions

Xray physics Final Exam Actual Questions and Answers with complete solution

As the B0 increases, SNR will correct answersIncrease The scan time can be determined by correct answers1. NEX 2. Number of phase encoding The precessional difference between hydrogen in fat and hydrogen in water in a 1.5 T magnet is correct answers224 Hz A chemical shift phenomenon that is useful to void signal from fat is known as correct answersfat saturation What effect does increasing TE have on SNR? correct answersdecrease it In a 1T magnet, fat and water will be "in phase...

CT Physics Final Exam Review with 100% correct answers What two terms are used to describe patient dose in computed tomography? - answerCTDI & MSAD What converts an analog signal (voltage) into digital data (numbers)? - answeran analog-to- digital converter What is the total number of gray levels called? - answerthe gray scale What can be done to reduce the amount of data that makes up the image? - answerimage compression What is the logical order in digitizing an image? - answerscannin...

Physics Final Exam Review Question and answers 100% correct Physics Final Exam Review A force is needed to - correct answer change an objects state of motion The combination of all forces acting on an object is called the - correct answer net force When you hold a rock at rest in your hand, you are pushing upward on it with as much force as Earth's gravity pulls down on it. The net force would be - correct answer zero on the rock The scientific unit of force is the newton...

one advantage of 3D TOF-MRA is - ANSWER high resolution for small vessels one advantage of 2D TOF-MRA is - ANSWER larger coverage area which conventional pulse sequence below provides black blood images - ANSWER -spin Echo -fast spin Echo -inversion recovery -all of the above

What type of nonionizing electromagnetic radiation does MRI utilize? - ANSWER Radio Frequency Preventing potential serious injury or death from strong magnetic field strengths requires: 1. a knowledgeable and mindful MR technologist 2. Controlled access to the magnetic field 3. a detailed medical history of anyone entering the room - ANSWER 1, 2, and 3 When protons spin in place within an atom, they create: a. a small magnetic field b. an electrical charge c. pressure on th...

CT Physics Final Exam Review with 100% correct answers What two terms are used to describe patient dose in computed tomography? - answerCTDI & MSAD What converts an analog signal (voltage) into digital data (numbers)? - answeran analog-to- digital converter What is the total number of gray levels called? - answerthe gray scale What can be done to reduce the amount of data that makes up the image? - answerimage compression What is the logical order in digitizing an image? - answerscannin...

CT Physics Final Exam Review with 100% correct answers What two terms are used to describe patient dose in computed tomography? - answerCTDI & MSAD What converts an analog signal (voltage) into digital data (numbers)? - answeran analog-to- digital converter What is the total number of gray levels called? - answerthe gray scale What can be done to reduce the amount of data that makes up the image? - answerimage compression What is the logical order in digitizing an image? - answerscannin...

b. 1895 - ANSWER-In what year were x-rays discovered? a. 1892 b. 1895 c. 1898 d. 1901 c. 1898 - ANSWER-In what year were some of the biologically damaging effects of x-rays discovered? a. 1892 b. 1895 c. 1898 d. 1901 d. Vacuum Tubes - ANSWER-X-rays were discovered in experiments dealing with electricity and ______. a. Ionization b. Magnetism c. Atomic structure d. Vacuum Tubes a. Fluoresce - ANSWER-X-rays were discovered when they caused a barium platinocyanide-coated plate ...