Fund. Of Radiology Theory

Question 0

First dental radiograph

Answer 0

Walkhoff

Question 1

Discovered by

Answer 1

Roentgen

Question 2

First intra oral radiograph

Answer 2

Kells

Question 3

Developed pt

Answer 3

McCormock

Question 4

Longer wavelengths

Answer 4

Lower frequency, less energy and less penetrating power

Question 5

Shorter wavelengths

Answer 5

Higher frequency, more energy, more penetrating power

Question 6

Wavelengths used in radiographs

Answer 6

Short

Question 7

Medical/dental x-rays are referred to as

Answer 7

Gamma rays

Question 8

Ionization

Answer 8

The production of ions by the removal of outer electrons from the atoms of matter which is struck by the X-rays

Question 9

Roentgen (measurement)

Answer 9

Amt of radiation which produces a standard number of ion pairs in a volume of air

Question 10

Exposure (measurement)

Answer 10

Culomb/Kilogram

Question 11

RAD

Answer 11

Radiation absorbed dose, unit of radiation energy/gram of absorbing dose material which measures the effects of X-rays within the tissues, measures in gray (Gy)