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RAD 1101

QuestionAnswer
T/F: The Crooks tube was invented and in use before x-rays were discovered True
When was x-ray discovered? November 8,1895
Which describes the measurement of current flow in the x-ray circuit? a. mA b. mAs c. kVp d. SID mA
Who was the first fatality in the United States? Charles Daly
At which college was the first x-ray taken? Dartmouth
Which of the following is not one of the four basic requirements for the production of x-rays? a. x-ray tube b. image receptor c.filament d. anode Image Receptor
Which is not considered a part of the x-ray tube? a. anode b.filament c. glass envelope d. aluminum filter aluminum filter
T/F: The name of the device that holds the image receptor during the exam is a bucky tray True
Which of the following is required to be performed by a technologist before a fluoroscopy exam? a. obtain a patient history b. position the patient for the start of the procedure c. prepare appropriate contrast agent(s) d. all of the above all of the above
Which of the following affects image quality? a. exposure time b. milliamperage c. kilovoltage d. a, b and c e. a and b a, b and c
T/F: The large filament is used for a small focal spot False
Which of the following is true as it relates to x-ray photons? a. the shorter wavelength = less penetration b. the shorter wavelength = greater penetration c. the longer wavelength = greater penetration d. none of the above are true b. the shorter wavelength = greater penetration
T/F: SID has no affect on x-ray beam intensity False
Which of the following requires an imaging plate reader a. film radiographs b. computed radiography digital radiography d. all of the above b. computed radiography
What does PACS stand for? Picture Archiving and Communication System
What is the overall blackness of the image referred to as? Optical Density
Which of the following is true of higher kVp? a. creates lower contrast b. creates higher contrast c. controls image distortion d. none of the above a. creates lower contrast
The SI unit of measure for Dose Units is what? Gray
How long does it take to observe short-term somatic effects of radiation exposure? within 3 months
T/F:Younger cells are more sensitive than older cells as it relates to radiation exposure True
Which has the greatest affect on radiation protection? a. time b. shielding c. distance d. none of the above c. distance
What is the minimum SID allowed to aid in patient protection from radiation? 40 inches
What is the minimal thickness of lead used in lead shields? .5 mm
In which trimester is the fetus most at risk from radiation? 1st
T/F: Mutated genes are usually recessive True
T/F: The person responsible for implementing the ethical decision is called the moral agent True
What organization developed "The Practice Standards from Medical Imaging and Radiation Therapy"? ASRT
T/F: The large filament is used for a small focal spot False
T/F: Ethics is known as "applied morality" True
What is the traditional unit of radiation exposure a. roentgen b. coulombs c. Sievert d. rad a. roentgen
What type of energy is x-ray described as? electromagnetic
T/F: Medicare is a state health insurance program False
T/F: The focal spot is on the anode True
T/F: HIPAA is the act that was created to ensure privacy for employees at work False
What does HMO stand for? Health Maintenance Organization
T/F: Fellows are licensed physicians receiving advanced training True
The Hippocratic Oath defines the moral duties of what group of professionals? Physicians
What is another name for short-term radiation effects? Deterministic
The difference in optical density of adjacent structures is defined as? Image Contrast
T/F: Medicaid is a state program that assists the indigent population False
T/F: Mutated genes are usually recessive True
Which of the following is/are a method of patient protection? a. collimate b. avoid errors c. avoid repeats d. shielding e. all of the above e. all of the above
What is a civil wrong committed by an individual against the person or property of another referred to as? tort
T/F: The target is part of the cathode False
What term is used to describe the doctor who sends a patient to the hospital? Referring Physician
Grids/buckys are used on body parts over what measurement? 10 to 12 inches
The Code of Ethics for imaging professionals was created by what organization? ARRT
T/F: The Seven Cs refers to negligence prevention False
What type of radiography requires an imaging plate reader computed radigraphy
Which has the greatest affect on radiation protection? a. none of the below b. shielding c. distance d. time distance
Created by: kccalder
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