STP - rad

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Oregon Institute Of Technology *

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103

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Chemistry

Date

Feb 20, 2024

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pdf

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Uploaded by LieutenantHerringMaster1063

Self Test - Radiography Due No due date Points 20 Questions 20 Time Limit 120 Minutes Allowed Attempts 5 Take the Quiz Again Attempt History Attempt Time Score LATEST Attempt 1 20 minutes 15 out of 20 Submitted Jan 24 at 2:20pm Question 1 171 pts An anode is typically made of what material? Correctl Tungsten Barium Rhodium Molybdenum Question 2 0/1 pts A vacuum container that houses the x-ray tube is known as the cathode assembly.

ou Answered orrect Answer [ True False Question 3 1/1 pts Correctl The negative side of the x-ray tube is called the: Magnet Cathode Anode Transducer Question 4 0/1pts ou Answered orrect Answer A collimator is a device that: is used to restrict the size of the primary beam. is connected to the bottom of the x-ray tube. [ is used to adjust the size of the primary beam. All the above Question 5 1/1 pts

Correctl Correctl Correct! The variable that controls the penetrability of the beam is: mA kVp seconds intensifying screens Question 6 1/1 pts How large are the pixels in a digital array? 1 cm larger than a corn kernel the size of a small pebble the size of a dot Question 7 1/1 pts The three cardinal principles when dealing with radiation protection are all of the following except: distance time intensity

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shielding Question 8 1/1pts Who discovered x-rays in 18957 Mother Theresa Correctl Wilhelm Roentgen Albert Einstein Marie Curie Question 9 0/1 pts In Fluoroscopy, the x-ray tube is located: ou Answorod‘ [ above the patient orrect Answer beneath the table top in the monitor (fluorescent screen) it does not involve an x-ray tube Question 10 1/1 pts Is there such a thing as "Mobile Radiography"?

Correctl Yes No Question 11 171 pts When an incoming electron decelerates or changes direction in response to the nucleus of an atom, it is called what type of radiation? Braking radiation Characteristic radiation Correct! Bremsstrahlung radiation Gamma radiation Question 12 1/1 pts The atomic number of Tungsten is: 64 Correctl 74 78 None of the above Question 13 111 pts

Correctl Correct! Correct! During the production of characteristic radiation, the x-ray photon is released due to a difference in what kind of energy between the shells of the atom? Binding energy Kinetic energy Potential energy There is no difference in energy between the shells Question 14 1/1 pts Medical x-rays are a significant source of manmade radiation exposure. True False Question 15 1/1 pts X-rays are classified as a carcinogen by the US government and what other organization? American Cancer Society Center for Disease Control World Health Organization None of the above

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Question 16 1/1 pts The ALARA principle is about getting your images right the first time. This can be achieved by: Communicate with the patient what is expected Setting the correct technique Positioning the patient correctly Correct! All of the above Question 17 1/1 pts Some responsibilities that a radiologic technologist may be required to perform on the job are: Correctl Trauma x-rays Interpretation of x-rays Ordering x-ray exams All of the above Question 18 0/1pts Computed Radiography uses:

ou Answered orrect Answer a cassette with a digitized plate inside [ a computer monitor to display the image a carbon reader to take the image off of the digitized plate All of the above Question 19 1/1 pts Correctl Contrast media that is given through an intravenous line is usually: liquid barium an iodine based liquid Air Water Question 20 0/1 pts ou Anhswered orrect Answer The radiologist typically views radiographic images on a monitor. 2 MP 3 MP 3 Pixel 5 MP

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