Chapter 3: Radiation Characteristics

Question 1

In dental imagining, what does the word QUALITY used to describe?

Answer 1

Quality= (wavelength and energy)

; The mean energy or penetrating ability of the x-ray beam; controlled by KILOVOLTAGE

Question 2

Define Voltage

Answer 2

Measurement of force that refers to the potential difference between two electrical charges
Measured in volts (V) or kilovolt (kV)

Question 3

Define kiloVoltage (kV)

Answer 3

MAXimum voltage, or peak voltage of an alternating current

Question 4

Define Density

Answer 4

Density is the overall darkness or blackness of an image

Question 5

Define contrast

Answer 5

Contrast refers to how sharply dark and light areas are differentiated or separated on an image

Question 6

High kilovoltage and increased density the contrast is ____

Answer 6

low; being able to see many shades of grey

Question 7

Low kilovoltage and decreased density, the contrast is ____

Answer 7

high; with only LIGHT and DARK areas