15 Questions
Which one of the following statements accurately describes the relationship between wavelength and penetrating power of x-rays?
X-rays with shorter wavelengths have more penetrating power.
What is the role of voltage in determining the quality of the x-ray beam?
Voltage determines the wavelength and energy of the x-ray beam.
What is the relationship between kilovolts (kV) and volts?
1 kV is equal to 1000 volts.
Which of the following is true about kilovoltage (kV) in dental x-rays?
Increasing kV results in a higher energy x-ray beam
What happens to the density of a dental image when the kilovoltage is increased?
The density increases
What does contrast refer to in dental x-ray images?
The sharpness of dark and light areas in an image
What is the relationship between milliamperage (mA) and the density of a dental image?
An increase in milliamperage increases the density
Which factor affects the intensity of the x-ray beam by controlling the speed of the electrons traveling between the cathode and the anode?
Kilovoltage
Which factor affects the intensity of the x-ray beam by controlling the number of electrons produced in the x-ray tube and the number of x-rays produced?
Milliamperage
According to the inverse square law, what happens to the intensity of the x-ray beam when the target-receptor distance is doubled?
It is reduced by one-fourth
What is the term used to describe the thickness of a specified material (e.g., aluminum) that reduces the intensity of the x-ray beam by half?
Half-value layer
Which type of dental image is used to examine large areas of the maxilla or the mandible on one image?
Panoramic image
Which size of receptor is used for occlusal examination on adults?
Size 4
What does a full mouth series (CMS) of dental images include?
Both periapical and bite-wing images
When is a complete mouth series (CMS) of dental images appropriate?
When a patient presents with clinical evidence of generalized dental disease or a history of extensive dental treatment
Test your knowledge on x-ray intensity and its factors with this quiz. Learn about kilovoltage, milliamperage, exposure time, and distance and how they affect the intensity of an x-ray beam.
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