FREE DENTISTRY AND STUDY GAMES ABOUT DENTAL

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FREE DENTISTRY AND STUDY GAMES ABOUT DENTAL

RADIOGRAPHS EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -40 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Energy is defined as

Answer:

the ability to do work.

Question 2: List four characteristics of x-rays.

Answer:

No mass or weight

No charge

Cause ionization

Absorbed by matter Question 3: The range of shades of gray between black and white on a radiograph is called

Answer:

contrast

Question 4: The Consumer-Patient Radiation Health and Safety Act requires that:

Answer:

anyone taking radiographs by trained and certified.Question 5: In which part of the x-ray tube are electrons given off by a heated filament?

Answer:

Cathode

Question 6: Exposure to radiation over a long time is called

Answer:

Chronic exposure.

Question 7: A light leak in the darkroom can result in

Answer:

a dull gray film that lacks contrast.

Question 8: the x-ray was discovered on November 8, 1985 by?

Answer:

Wilhelm Conrad Roentgen Question 9: _______ refers to how well the radio-graph reproduces fine details or distinct outlines of an object

Answer:

Sharpness

Question 10: Anything that occupies space and has a form or shape is ______.

Answer:

matter

Question 11: An electron

Answer:

is a negatively charged particle.

Question 12: the most critical component in film processing quality control is?

Answer:

maintaining the freshness of the processing solutions Question 13: The Guidelines for Prescribing Dental Radiographs issued by the American Dental Association and FDA recommend which of the following dental radiographic procedures for a pregnant patient?

Answer:

Radiographic procedures do not need to be altered because of pregnancy.

Question 14: Infection Control Guidelines for Dental Radiology are made by the

Answer:

CDC (Centers for Disease Control and Prevention)

Question 15: a dull gray film that lacks contrast.

Answer:

kilovoltage selector Question 16: Radiographs are the property of:

Answer:

the dentist

Question 17: The acronym ALARA stands for

Answer:

As Low As Reasonably Achievable Question 18: The most commonly used film size used for adult intraoral dentistry is ______.

Answer:

size #2

Question 19: What part of the cell is affected by x-rays?

Answer:

electron

Question 20: One of the rules of radiation protection is to never stand closer than _______ feet from the x-ray unit during an exposure unless you are behind a barrier.

Answer:

• Feet

Question 21: A structure that appears dark on a radiograph because it allows radiation to easily pass through it is called

Answer:

radiolucent Question 22: The major source of cross-contamination during radiographic procedures is the

Answer:

exposed film packet.Question 23: In which part of the x-ray tube does the impact of electrons on a tungsten target produce x-rays?

Answer:

Anode

Question 24: The heart of the x-ray generating system is the _______.

Answer:

x-ray tube Question 25: The dentist who is credited with the first practical use of radiographs in dentistry

in 1896 is:

Answer:

Edmund Kells

Question 26: Exposure to radiation _______.

Answer:

no matter how small, has the potential to cause harmful biologic changes Question 27: When the PID is placed correctly, the dental film should always be placed with the lead foil sheet positioned

Answer:

away from the tooth.