Question 1

Where on the D log E curve is the majority of diagnostic information found?

Accepted Answer

A)  toe
B)  shoulder
C)  straight line portion
D)  Dmax

Question 2

A penetrometer is also referred to as a

Accepted Answer

A)  densitometer.
B)  step wedge.
C)  sensitometer.
D)  gradient wedge.

Question 3

Match the following choices with the correct statement as they relate to processor film sensitometry.
-a measure of the straight line portion of the H & D curve

Accepted Answer

A)  speed point
B)  gamma
C)  step wedge
D)  densitometer
E)  characteristic curveF) latitudeG) average gradientH) sensitometer

Question 4

Match the following choices with the correct statement as they relate to processor film sensitometry.
-numerically measures radiographic density

Accepted Answer

A)  speed point
B)  gamma
C)  step wedge
D)  densitometer
E)  characteristic curveF) latitudeG) average gradientH) sensitometer

Question 5

A densitometer is an instrument that provides a readout of

Accepted Answer

A)  radiographic density.
B)  radiographic contrast.
C)  recorded detail.
D)  image distortion.

Question 6

Radiographic film/screen system resolution is generally controlled by

Accepted Answer

A)  intensifying screen crystals.
B)  film emulsion crystals.
C)  Bucky oscillation.
D)  SID.

Question 7

The maximum density that the film is able to record is the

Accepted Answer

A)  toe.
B)  shoulder.
C)  straight line portion.
D)  Dmax. D

Question 8

Match the following choices with the correct statement as they relate to processor film sensitometry.
-penetrometer

Accepted Answer

A)  speed point
B)  gamma
C)  step wedge
D)  densitometer
E)  characteristic curveF) latitudeG) average gradientH) sensitometer

Question 9

The shoulder of the D log E curve is controlled by

Accepted Answer

A)  phenidone.
B)  hydroquinone.
C)  sodium carbonate.
D)  potassium bromide.

Question 10

As the slope of the straight line increases, the radiographic contrast

Accepted Answer

A)  increases.
B)  decreases.
C)  is unaffected.
D)  reverses.

Question 11

The toe of the D log E curve is controlled by

Accepted Answer

A)  phenidone.
B)  hydroquinone.
C)  PQ developer.
D)  all of the above

Question 12

Equipment used to carry out film processing sensitometric procedures includes a

Accepted Answer

A)  penetrometer.
B)  sensitometer.
C)  densitometer.
D)  both b and c

Question 13

Film sensitivity is affected by the

Accepted Answer

A)  size of the silver halide crystals.
B)  number of sensitivity specks.
C)  thickness of the emulsion layer.
D)  all of the above.

Question 14

The difference between adjacent densities on a radiograph is the

Accepted Answer

A)  resolution.
B)  speed.
C)  definition.
D)  contrast.

Question 15

The amount of radiographic density a film produces for a given amount of exposure is termed the

Accepted Answer

A)  gamma.
B)  reciprocity.
C)  speed.
D)  resolution. C

Question 16

The optical density formula includes which factors?

Accepted Answer

A)  intensity of incident light
B)  intensity of transmitted light
C)  the log of 10
D)  all of the above D

Question 17

Which point on the D log E curve represents the point where all the silver halide crystals have a full complement of silver atoms?

Accepted Answer

A)  toe
B)  shoulder
C)  straight line portion
D)  Dmax

Question 18

After exposure to x-radiation, the radiographic film

Accepted Answer

A)  must be processed immediately.
B)  is twice as sensitive and must be handled carefully.
C)  contains the visible image in the cassette.
D)  is placed in a reader for laser scanning.

Question 19

Which type of film is preexposed to Dmax so that additional exposure will cause a reversal of the image?

Accepted Answer

A)  screen film
B)  mammographic
C)  duplication
D)  laser film

Question 20

As crystal size increases, resolution

Accepted Answer

A)  increases.
B)  decreases.
C)  increases exponentially.
D)  is unaffected

Exam 21: Film Sensitometry

Where on the D log E curve is the majority of diagnostic information found?

Correct AnswerverifiedShow Answer

A penetrometer is also referred to as a

Correct AnswerverifiedShow Answer

Match the following choices with the correct statement as they relate to processor film sensitometry. -a measure of the straight line portion of the H & D curve

Correct AnswerverifiedShow Answer

Match the following choices with the correct statement as they relate to processor film sensitometry. -numerically measures radiographic density

Correct AnswerverifiedShow Answer

A densitometer is an instrument that provides a readout of

Correct AnswerverifiedShow Answer

Radiographic film/screen system resolution is generally controlled by

Correct AnswerverifiedShow Answer

The maximum density that the film is able to record is the

Correct AnswerverifiedD

Match the following choices with the correct statement as they relate to processor film sensitometry. -penetrometer

Correct AnswerverifiedShow Answer

The shoulder of the D log E curve is controlled by

Correct AnswerverifiedShow Answer

As the slope of the straight line increases, the radiographic contrast

Correct AnswerverifiedShow Answer

The toe of the D log E curve is controlled by

Correct AnswerverifiedShow Answer

Equipment used to carry out film processing sensitometric procedures includes a

Correct AnswerverifiedShow Answer

Film sensitivity is affected by the

Correct AnswerverifiedShow Answer

The difference between adjacent densities on a radiograph is the

Correct AnswerverifiedShow Answer

The amount of radiographic density a film produces for a given amount of exposure is termed the

Correct AnswerverifiedC

The optical density formula includes which factors?

Correct AnswerverifiedD

Which point on the D log E curve represents the point where all the silver halide crystals have a full complement of silver atoms?

Correct AnswerverifiedShow Answer

After exposure to x-radiation, the radiographic film

Correct AnswerverifiedShow Answer

Which type of film is preexposed to Dmax so that additional exposure will cause a reversal of the image?

Correct AnswerverifiedShow Answer

As crystal size increases, resolution

Correct AnswerverifiedShow Answer

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D

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C

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D

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Which type of film is preexposed to D_max so that additional exposure will cause a reversal of the image?

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