Dental Radiography Chapter 2

Front 1

which of the following is true concerning atomic structure?

Back 1

the strongest binding energy for electrons is found closest to the nucleus.

Front 2

identify the term for an atom that has lost an electron from its orbit

Back 2

An ion.

Front 3

identify which of the following processes occurs with ionization

Back 3

an electron is diplaced from its orbit.

Front 4

identify which of the following is not a type of particulate radiation

Back 4

nucleons.

Front 5

identify which of the following is not a type of electromagnetic radiation.

Back 5

electrons

Front 6

identify which of the following is not a property of x rays

Back 6

the ability to fluorescent all materials

Front 7

identify the part of the x ray tube that contains the focal spot

Back 7

anode

Front 8

identify the part of the x ray tube where x ray photons are produced

Back 8

at the positively charged anode.

Front 9

identify the best description of primary radiation

Back 9

the beam that exits the tube head

Front 10

identify the term used to describe the x ray beam that exits the position indicating device

Back 10

secondary radiation

Front 11

identify the characteristics of x rays produced with a high kilovoltage

Back 11

more penetrating and shorter wavelengths

Front 12

identify the function of the kilovoltage setting on the x ray machine

Back 12

controls the penetrating power of the x ray beam

Front 13

what is density

Back 13

the overall blackness or darkness of an image

Front 14

which of the following exposure factors is used to modify contrast in dental radiography

Back 14

kilovoltage

Front 15

identify the unit of time used to measure x ray exposure

Back 15

impulse

Front 16

identify the function of the miliamperagre setting on the x ray machine

Back 16

controls the quantity of x rays produced
controls the temperature of the tungsten filament

Front 17

which of the following statements is true regarding the types of filtration used in the dental x ray tube head?

Back 17

state and federal laws regulate that dental x ray machines operating at or below 70 kvp require a minimum total of 1.5 mm aluminium filtration and machines operating above 70 kvp require a minimum total of 2.5.

Front 18

identify which of the following is used to make a collimator

Back 18

lead

Front 19

identify the function of the collimator

Back 19

to restrict the size and shape of the x ray beam

Front 20

identify the recommended distance from the radiographer to the tubehead during x ray exposure

Back 20

at least 6 feet