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FREE RADIOLOGY AND STUDY GAMES ABOUT XR102
EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -97 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: What are the two specified instruments required for monitoring processor performance?
Answer:
DENSITOMETER AND SENSITOMETER
Question 2: What is an important factor to use when using digital systems for mobile radiography?
Answer:
A GRID
Question 3: Screen speed is defined as?
Answer:
THE EFFICIENCY OF A SCREEN IN CONVERTING X-RAY TO LIGHT
Question 4: what is the second tank in an automatic processor?
Answer:
fixer
Question 5: The purpose of the intensifying screen is?
Answer:
TO REDUCE THE AMOUNT OF EXPOSURE REQUIRED TO PRODUCE AN IMAGE
Question 6: Which tool do we use to test film screen contact?
Answer:
THE WIRE MESH TOOL
Question 7: how many 14x17" clean-up films should be run through the automatic processor before any films are processed for the day?
Answer:
4 Question 8: a condition that exists when 2 screens are not in firm contact with both sides of the film
Answer:
poor film screen contact Question 9: the portion of the sensitometric curve that indicates the speed of the film
Answer:
the straight line portion
Question 10: the device used to print a standard gray scale on a film is called
Answer:
sensitometer Question 11: the term used to describe the effect of phosphors giving off light when they are exposed to xrays
Answer:
fluorescence Question 12: A dark room safelight should be mounted so that it is no closer than how many feet from the feed tray of the processor and the countertop?
Answer:
4 FEET
Question 13: phosphors containing one of the following elements gadolinium, lanthanum or yttrium
Answer:
rare earth phosphors Question 14: screens with RS (relative speed) 200-600 are used for what type of radiography?
Answer:
routine or general radiography
Question 15: what does the D-max portion of the H&D curve represent?
Answer:
the films maximum density
Question 16: this term refers to the color of light emitted by a phosphor
Answer:
spectral emission Question 17: What term is applied to radiation that comes from the cassette back and the cassette tray and is directed toward the film?
Answer:
BACKSCATTER
Question 18: Which term is defined as a numerical representation of the film's ability to transmit light?
Answer:
OPTICAL DENSITY (OD)
Question 19: 90 second processing is made possible by
Answer:
increasing the strength and temperature of the solutions in the processor Question 20: True or False: latitude and contrast and inversely related
Answer:
TRUE
Question 21: The first digital imaging in radiography was done with the introduction of what?
Answer:
THE CT SCANNER
Question 22: the device used to measure the transmission of light through a tiny are of film is a
Answer:
densitometer Question 23: the characteristics of film response are plotted on a graph called a
Answer:
sensitometric curve Question 24: what is the term used to describe the radiographic film along with contrast?
Answer:
latitude
Question 25: which type of filters should be used in the darkroom?
Answer:
GBX filters Question 26: when considering the inside of the darkroom, what color should the walls be?Light or dark colored paint?
Answer:
light colored to reflect the light from the safe light throughout the room increasing visibility in the dark
Question 27: what does the base + fog portion of the H&D curve represent?
Answer:
the amount of light absorbed by the film plus any fog exposure to the film BEFORE processing Question 28: Which part of an intensifying screen absorbs x-ray energy and emits this energy in the form of light?
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