FREE AND STUDY GAMES ABOUT IMAGING RADIOLOGY

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EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -75 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Image

Answer:

Film-based or digitally produced recordings of anatomic structures.

Question 2: Extension

Answer:

arm Flexible arm that is attached to the x-ray tubehead.

Question 3: Contrast

Answer:

Differences in degrees of blackness on an image.

Question 4: Intraoral film

Answer:

Film designed for placement in the patient's mouth.

Question 5: Thyroid

Answer:

collar A flexible lead shield that is placed securely around the neck.

Question 6: Bremsstrahlung radiation

Answer:

"Braking radiation." The sudden deceleration of electrons as they interact with highly positively charged nuclei.

Question 7: Beam alignment device

Answer:

Assists in the positioning of the position indicator device (PID).

Question 8: Dosimeter

Answer:

A device used to detect and measure an accumulated dosage of radiation.

Question 9: Scatter radiation

Answer:

A form of secondary radiation that occurs when an x-ray beam has been deflected from its path by interaction with matter.

Question 10: Intensity

Answer:

The total energy of the x-ray beam.

Question 11: Cathode (KATH-ode)

Answer:

The negative electrode in the x-ray tube.

Question 12: Calcium tungstate

Answer:

Common type of phosphor.

Question 13: Central ray

Answer:

X-rays at the center of the beam.

Question 14: Radiograph (RAY-dee-oe-graf)

Answer:

Image produced on photosensitive film by exposing the film to radiation and then processing it.

Question 15: Quantity (of x-ray beam)

Answer:

The number of x-rays produced in the dental unit; the quantity of x-rays produced is controlled by milliamperage.

Question 16: Electron

Answer:

A negatively charged particle in the atom.

Question 17: Milliampere (mil-ee-AM-peer) (mA)

Answer:

One one-thousandth (1/1000) of an ampere; a unit of measurement used to describe the intensity of an electrical current.

Question 18: Teledentistry

Answer:

Process of using electronic transfer of images and other information for consultation and/or insurance purposes in dentistry.

Question 19: Label side

Answer:

Colored side of the film that faces the tongue.

Question 20: Latent image

Answer:

The invisible image on the x-ray film after exposure but before processing.

Question 21: Digitize

Answer:

Scanning of traditional film-based radiographs into a digital image.

Question 22: Primary beam

Answer:

The most penetrating beam produced at the target of the anode.

Question 23: Magnification

Answer:

The proportional enlargement of an image.

Question 24: Duplicating film

Answer:

Film designed for use in film duplicating machines.

Question 25: Phosphor storage plate (PSP)

Answer:

Reusable film-sized plates coated with phosphor as the image receptor.

Question 26: Master switch, indicator light, selector buttons, exposure button

Answer:

Components of control panel.

Question 27: Distortion

Answer:

Change in the size of an image caused by incorrect vertical angulation.

Question 28: Bitewing

Answer:

Image view that shows the crowns of both arches on one film