A

Question 1

Proper Equipment

Answer 1

Filtration
Inherent filtration
Added filtration
Total filtration 
Collimation
Position-indicating devices (PID)

Question 2

Filtration

Answer 2

used in the dental x-ray tubehead: inherent and added filtration

Question 3

Inherent filtration

Answer 3

takes place when the primary beam passes through the glass window of the x-ray tube, the insulation oil, and the tubehead seal.

Question 4

Added filtration

Answer 4

refers to the placement of aluminum disks in the path of the x-ray beam between the collimator and the tubehead seal in the dental x-ray machine.

Question 5

Total filtration

Answer 5

State and federal laws regulate the required thickness of total filtration

Question 6

Collimation

Answer 6

used to restrict the size and shape of the x-ray beam and to reduce patient exposure.

Question 7

Collmator

Answer 7

lead plate with a hole in the middle , is fitted directly over the opening of the machine housing where the x-ray beam exits the tubehead.

Question 8

PID

Answer 8

position-indicating device appears as an extension of the x-ray tubehead and is used to direct the x-ray beam

Question 9

Thyroid collar

Answer 9

a flexible lead shield that is placed securely around the patients neck to protect the thyroid gland from scatter radiation

Question 10

Lead apron

Answer 10

a flexible shield placed over the patients chest and lap to protect the reproductive and blood-forming tissue from scatter radiation.