FREE RADIOLOGY AND STUDY GAMES ABOUT

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FREE RADIOLOGY AND STUDY GAMES ABOUT

PROCEDURES EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -77 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Scanning the bar code on a PSP plate is extremely important because it links the image data with the correct _______.

Answer:

Patient

Question 2: What is the ideal percentage value for MTF?

Answer:

100% Question 3: ______ ______ is determined by the percentage of energy that strikes a receptor material that is absorbed by the receptor

Answer:

Absorption efficiency Question 4: T or F? Digitally captured images suffer from a toe and shoulder similar to the H&D curve of X-ray film

Answer:

False

Question 5: _______ refers to continuously verying quantity; a ______ system uses only two values that vary discretely through coding.

Answer:

Analog, digital

Question 6: What is a visual cue that a digital image is underexposed?

Answer:

Increase image noise Question 7: PSP plates are erased after processing by exposing the plate to:

Answer:

High intensity light

Question 8: T or f? DR requires a plate reader for processing of the image

Answer:

False Question 9: T or F? Soft copy is the term that refers to the output seen on a display screen

Answer:

True Question 10: Which of the following affects the number of shades of gray for a digital image?

• Matrix size
• Field of view
• Bit depth

Answer:

C.

Question 11: Main memory is the _______ storage of a computer.

Answer:

Working

Question 12: The electronic circuitry that does the actual _______ and the memory that supports this together are called the _______.

Answer:

Computation, processor

Question 13: Which symbols compose the binary language ?

Answer:

0,1 Question 14: In an analog to digital converter, the analog input consists of:

Answer:

Electrons Question 15: t or f? To change from film to CR, significant changes must be made to the X-ray generating equipment

Answer:

False Question 16: What do both a charge-coupled device and a complementary metal oxide semiconductor need to change X-rays into light?

Answer:

A scintillator Question 17: Which device allows for an increased scanning precision compared with a mechanical arm?

Answer:

Rotating mirror

Question 18: How many people can view a digital image on a PACS simultaneously?

Answer:

Unlimited Question 19: For flat panel detectors, the spatial resolution is determined by the size of the:

Answer:

DELs

Question 20: Scintillation refers to a material's ability to give off:

Answer:

Light Question 21: All of the following are advantages to digitizing radiographs except:

• It allows radiologists to view images in new ways
• It provides electronic access to digitized images
• Artifacts are removed during the process

Answer:

C Question 22: Visual cues that an image has been overexposed are not easily seen in digital

radiography because of:

Answer:

Rescaling Question 23: Which of the following is an advantage when viewing a digital image compared to conventional film?

• Wider latitude
• Brightness of monitor is less than a view box
• Monitors need to be replaced

Answer:

A.

Question 24: In digital imaging, _____ is determined by pixel size.

Answer:

Spatial resolution Question 25: T or F? It is impossible to stitch together multiple images on the CR system

Answer:

False