Exam 3: Image Formation

When using the bisecting method the object-film distance is kept to a ______________.

With regard to the Inverse Square Law, if the focal spot-to-film distance (FFD)doubles, the exposure time should:

In order to increase the contrast on a radiograph one should ________ the kVp.

The most common cause of poor definition in a radiograph is ___________.

The best way to view radiographs is:

When the position-indicating device (PID)is positioned 2 inches away from the face and all other factors are equal, the resulting film will be:

Identify the source-to-film distance (FFD)which produces the most amount of image magnification:

All of the following will keep the penumbra as small as possible EXCEPT:

The pointed cone should _______ be used with the bisecting technique.

Long-scale contrast gives the radiograph a (an):

Scatter radiation can be reduced by all of the following methods EXCEPT:

A radiographic image produced with a kVp setting of approximately 90 will appear as an:

The most common cause of lack of detail on a radiograph is __________.

All of the following are useful in viewing radiographs EXCEPT:

The degree of blackness on a film in known as:

A radiographic image produced with a kVp setting of approximately 65 will appear as an:

Penumbra can be described as:

Identify the correct position of the PID when intraoral radiographs are taken:

The concept that governs the result in question 6 is the: