FREE RADIOLOGY AND STUDY GAMES ABOUT SUSAN

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FREE RADIOLOGY AND STUDY GAMES ABOUT SUSAN

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -120 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Quality of x-ray beam

Answer:

The mean energy or penetrating ability of the x-ray beam.

Question 2: Thyroid collar

Answer:

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

Question 3: What are the primary components of an x-ray machine?

Answer:

1.Tubehead 2.Extension arm 3.Control panel

Question 4: DIAGNOSTIC QUALITY IMAGES

Answer:

DIAGNOSTIC QUALITY IMAGES ALLOW THE DENTIST TO LOOK AT A RADIOGRAPHIC IMAGE

AND BE ABLE TO TELL WHAT EVERYTHING IS IN THE IMAGE AND BE ABLE TO MAKE AN

ACCURATE DIAGNOSIS.

Question 5: Tissue damage

Answer:

Not all x-rays pass through the patient and reach the receptor Patient tissues absorb some x-rays When photon energy is absorbed, chemical changes result in biologic damage

Question 6: Sharpness

Answer:

A measure of how well an image reproduces the fine details or outline of an object.

Question 7: Kilovoltage peak (kVp)

Answer:

Highest voltage of x-ray tube used during an exposure and it is used to control the penetrating power of the x-ray beam It is used to control the penetrating power of the x-ray beam. Dental x-ray machines generally operate at 70 or 90 kVp

Question 8: Name the types of Radiation.

Answer:

Primary Radiation Secondary Radiation Scatter Radiation

Question 9: ion

Answer:

An electrically charged particle.

Question 10: What is quality?

Answer:

QUALITY IS PENETRATING ABILITY, OR STRENGTH, OR POWER. HOW STRONG IS YOUR BEAM

IS DETERMINED BY KV.

Question 11: WHAT IS IMGE DENSITY ?

Answer:

IT IS HOW DARK IS YOUR IMAGE. A DENSE IMAGE IS VERY DARK. AN IMAGE THAT LACKS

DENSITY IS TOO LIGHT.

The image Too Dark because the quality of the beam too high The image Too Light because the quality of the beam too low

Question 12: ionizing radiation

Answer:

All ionizing radiation is harmful and produces biologic changes in living tissue Dental imaging is a low amount, however still harmful Entire x-ray area is a radiation hazard area Proper signage is required

Question 13: ionizing

Answer:

radiation Radiation that produces ionization, resulting in harmful effects.

Question 14: what is LOWER CONTRAST?

Answer:

LOWER CONTRAST.. BLACK ISN'T AS DARK, WHITE ISN'T AS LIGHT, MORE SHADES OF GREY

BETWEEN. LOW CONTRAST, LONG GREY SCALE. LOWER KVP

Question 15: Who was the first person to make practical use of x-rays in dentistry?

Answer:

Edmund Kells

Question 16: Radiology

Answer:

The science or study of radiation as used in medicine.

Question 17: Predetermined settings

Answer:

Old machines adjusted manually

Question 18: Tubehead seal

Answer:

Made of leaded glass or aluminum Keeps the oil in the tubehead, and acts as a filter for the x-ray beam

Question 19: what is Correct density enables the dentist to view?

Answer:

Black areas (air spaces, pulp chamber, abscesses) White areas (enamel, dentin, bone) Grey areas (soft tissues)

Question 20: Central ray

Answer:

X-rays at the center of the beam.

Question 21: What does the control panel contain?

Answer:

1.Master switch 2.Indicator light 3.Selector buttons 4.Exposure button

Question 22: What are the three characteristics of the x-ray beam?

Answer:

Quality Quantity Intensity

Question 23: Digital imaging

Answer:

A filmless method of capturing an image and displaying it by using an image receptor, an electronic signal, and a computer to process and store the image.

Question 24: Three characteristics of the x-ray beam.

Answer:

1-quality, 2- quantity, 3- intensity this alow us to change the image of the radiopaque and the image detail as well