Test 1

Question 1

In the routine AP view of the shoulder, the hand is placed so that:

a) the palm faces the x-ray tube
b) the dorsal surface off the hand faces the x-ray tube
c) the palm faces and is against the side of the body
d) the hand is in the baby-arm position, above the shoulder

Answer 1

a) palm faces the x-ray tube

Question 2

Which of the following factors is essential in the regulation of radiographic density?
A) MA
B) Time
C) kVp
D) a and b

Answer 2

d) a and b

Question 3

Changing the target to film distance from 44" to 40" would result in:
A) decreased magnification
B) increased magnification
C) decreased detail
D) decreased contrast

Answer 3

A) decreased magnification

Question 4

A film which is black and also has greenish-yellow colors on it:
A) hasnt been fixed properly
B) hasnt been developed properly
C) hasnt been washed properly
D) has been in the fixer too long a period of time

Answer 4

C) hasnt been washed properly

Question 5

The accelerator function in the developer is to:
A) protect the film from fog
B) accelerate the fixing solution
C) speed up the developing process
D) prolong the life of the developer

Answer 5

C) speed up the developing process

Question 6

The processing of the x-ray film by inspection is a/an:
A) exact method to produce good radiographs
B) inaccurate method that produces varying results
C) faster approach
D) widely accepted method

Answer 6

B) inaccurate method that produces varying results

Question 7

Holding back the developing action without preventing development of the unexposed silver bromide crystals on the film is performed by the:
A) restrainer
B) accelerator
C) preservative
D) stop bath

Answer 7

A) restrainer

Question 8

What does SID stand for?

Answer 8

Source image distance

Question 9

What does FFD stand for?

Answer 9

Focal film distance

Question 10

What does TFD stand for

Answer 10

Target film distance

Question 11

Moving the tube farther from the patient:
A) increased penumbra
B) improves the detail
C) increased magnification of the image
D) makes the part radiographed appear larger than actual size

Answer 11

B) improves the detail

Question 12

Which of the following is the reducing agent which changes affected silver salts to metallic silver?
A) fixer
B) developer
C) sodium sulive
D) acetic acid and water

Answer 12

B) developer

Question 13

Chrome alum is added to the fixer to:
A) protect the emulsion from scratches
B) dissolve unexposed silver crystals
C) ionize the emulsion
D) restrain the action of hypo

Answer 13

A) protect the emulsion from scratches

Question 14

Which of the following is NOT a purpose of fixation?
A) remove unexposed and undeveloped silver crystals
B) preserve the image
C) harden the emulsion
D) convert the image

Answer 14

D) convert the image

Question 15

A prudent question to ask patients who are about to be x-rayed might be:
A) when was your last meal?
B) are you possibly pregnant?
C) are you lactating?
D) have you gained weight recently

Answer 15

B) are you possibly pregnant?

Question 16

A densitometer does what?
A) uniformly exposes a test film in the same manner each time
B) measures the degree of exposure on a film
C) is used to measure the output of the x-ray machine
D) i sused to calibrate new technique charts

Answer 16

B) Measures the degree of exposure on a film

Question 17

Which of the following focal spots will produce the greatest detail on any given radiograph?
A) 3mm
B) 1mm
C) 2.5mm
D) 2mm

Answer 17

B) 1mm. (Pick the smallest one if you are wanting the finest detail)

Question 18

The main purpose of the developer is to:
A) harden the film to protect from scratches
B) remove unexposed silver bromide crystals from the film
C) remove exposed silver bromide crystals from the film
D) turn exposed silver bromide crystals black

Answer 18

D) turn exposed silver bromide crystals black

Question 19

The most active of the developing agents is:
A) hydroquinone
B) sodium carbonate
C) potassium bromide
D) elon

Answer 19

D) elon

Question 20

The effect of hydroquinone produces an image of:
A) rich dense tones
B) very fine detail
C) suitable contrast
D)minimal distortion

Answer 20

C) suitable contrast

Question 21

The basic constituents in a developer are:
A) sulfuric acid, sodium carbonate, and potassium
B) accelerator, preservative, developing agents
C) sodium chloride, sodium hydroxide, restrainers
D) chrome alum, hyposulfite, and bromine

Answer 21

B) accelerator, preservative, developing agents

Question 22

To provide adequate fixation, the normal maximum fixing time is about:
A) 1-4 mins
B) 5-6 mins
C) 8-10 mins
D) 20 mins

Answer 22

C) 8-10 mins

Question 23

A useful device in a film processing tank is a:
A) timer
B) thermometer
C) step wedge
D) victoreen meter

Answer 23

B) thermometer

Question 24

Which of the following chemicals inhibits fogging of lighter areas without interfering with the development of the image?

a) potassium bromide
b) potassium alum
c) hydroquinone
d) sodium carbonate

Answer 24

a) potassium bromide

Question 25

``` The unexposed sivler crystals are: A) reduced by the developing agent B) oxidized by the accelerator C) washed away by the developer D) unaffected by the developer ```

Answer 25

D) unaffected by the developer

Question 26

Which of the following best describes the 15% rule? a) an increased of 15% in mAs requires a decrease to 1/2 kVp b) an increase of 15% in kVp requires a decrease to 1/2 mAs c) an increase of 15% in distance requires a decrease to 1/2 mAs d) an increase of 15% in distance requires a decrease to 1/2 kVp

Answer 26

B) an increase of 15% in kVp requires a decrease to 1/2 mAs

Question 27

Total filtration is: A) 2mm of added filtration and 1mm of inherent filtration B) .5mm of added filtration and 2mm of inherent filtration C) 1mm of added filtration and 1mm of inherent filtration D) 2mm of added filtration and .5mm of inherent filtration

Answer 27

D) 2mm of added filtration and .5mm of inherent filtration

Question 28

``` If an unexposed piece of x-ray film were placed in the fixer for 10 min the following would occur: A) Ag BR would be removed B) the film would turn black C) the film would remain green D) the film would turn gray ```

Answer 28

A) Ag BR would be removed

Question 29

``` What is the minimum distance the safe light should be from the film? A) 12" B) 24" C) 36" D) 55" ```

Answer 29

C) 36"

Question 30

``` A type of radiation which has been deflected from its original path is: A) scattered radiation B) primary radiation C) leakage radiation D) braking radiation ```

Answer 30

A) scattered radiation

Question 31

Which of the following techniques will assist in reducing motion unsharpness? A) use of shortest possible exposure time B) use of a large target to film distance C) use of a small object to film distance D) all of the above

Answer 31

A) use of shortest possible exposure time

Question 32

Agitation upon immersion of the film in the developer: A) has no effect on development B) produces uniform development C) will increase temperature of deeveloper D) produces streaks on the film

Answer 32

B) produces uniform development

Question 33

``` Sodium thiosulfate is known as the : A) restrainer B) reducer C) accelerator D) hypo ```

Answer 33

D) hypo

Question 34

``` The hardener in the fiing solution is: A) acetic acid B) sodium carbonate C) chrome alum D) potassium hydroxide ```

Answer 34

C) chrome alum

Question 35

The essential ingredients of the fixer are: A) preservative, reducer, hardener, and acid B) acid, hardener, hypo, preservative C) tanning agent, accelerator, reducer, preservative D) alkali, preservative, reducer, restrainer

Answer 35

B) acid, hardener, hypo, preservative

Question 36

Which of the following is the best definition of a grid ratio? A) the ratio of the height to the width of the lead strips B) the ratio of the width to the height of the lead strips C) the ratio of the height to the space between the lead strips D) the ratio of the weight of the lines per inch of the grid

Answer 36

C) the ratio of the height to the space between the lead strips

Question 37

``` What term is used to describe the negative pole of the x-ray tube? A) anion B) cathion c) anode D) cathode ```

Answer 37

D) cathode

Question 38

``` Which of the following will increase when the object-film distance is increased? A) magnification B) patient exposure dose C) radiographic density D) radiographic contrast ```

Answer 38

A) magnification