Page 1 of 86
“RADIATION HEALTH AND SAFETY PRACTICE EXAM
2026 ”LATEST EXAM 2026 – 2027 SOLVED
QUESTIONS & ANSWERS VERIFIED 100% GRADED A+
(LATEST VERSION) WELL REVISED 100% GUARANTEE
PASS
Radiation Health and Safety Practice Exam
The purpose for using film-holding devices when taking intramural
radiographs is to
a. stabilize the tube-head
b. reduce exposure time.
c. increase image contrast
d. assist in correct film placement
d. assist in correct film placement
A film with thin density and herringbone pattern across it is the result of
a. static electricity
b. film packet reversal
c. double exposure
d. film bending.
b. film packet reversal
A full mouth radiographic survey has just been processed manually. The top
films on the processing rack have a straight, clear border on the upper edge.
This error is caused by
, Page 2 of 86
a. light in the darkroom during the developing process.
b. cone-cutting during film exposure.
c. placing the film edge too far above the teeth.
d. too low a level of developer solution.
d. too low a level of developer solution.
Using faster speed film requires
a. a longer exposure time.
b. a shorter exposure time.
c. decreased developing time.
d. increased developing time.
b. a shorter exposure time.
The life expectancy of radiographic processing solution depends upon all of
the following EXCEPT
a. number of films processed.
b. solution exposure to air.
c. solution contamination.
d. solution temperature.
d. solution temperature.
Insufficient washing processed radiographic film will result in a
a. very light radiographic image.
b. brownish-yellow stain of the radiograph.
c. opaque area on the radiograph.
d. completely blackened film.
b. brownish-yellow stain of the radiograph
When processing a radiograph, the darkroom overhead light was off, the
safety light was on, and the door was slightly open. What effect will exposure
to mirror amounts of room light have on the processed radiograph? It will
appear
a. light
b. streaked
c. black
diagnostically acceptable
c. black
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A radiograph turns brown over time. The MOST likely cause is
a. the darkroom door being opened during processing
b. inner washing
c. underexposure
d. overdevelopment
b. inner washing
Density of a radiograph is controlled by all of the following EXCEPT.
a. kv
b. TFD (target film distance)
c. OFD (object film distance)
c. OFD (object film distance)
Which method is considered MOST effective for handling and processing
radiographs to prevent microbial contamination?
a. cover with barrier envelops
b. wipe down with paper towels
c. wash with alcohol
d. soak in bleach
a. cover with barrier envelops
A person exposing x-rays can BEST be protected from scattered radiation by
a. wearing a lead apron
b. standing behind a lead barrier
c. wearing a film badge.
d. standing 2 feet away from the tube-head
b. standing behind a lead barrier
Radiographs mounted with th raised portions of the dots toward the observer
(labial mounting) are examined as though the observer is
a. outside the mouth looking in
b. inside the mouth looking in.
c. on the patient's left side.
d. on the patient's right side
a. outside the mouth looking in.
A film accidentally exposed to white light between developing and fixing will
appear
a. clear
, Page 4 of 86
b. light
c. dark
d. blurred
c. dark
Stirring the developing and fixing solutions before manually processing films
will
a. prevent evaporation of solutions
b. provide uniform concentrations
c. prevent contamination of solutions
d. prolong solution life
b. provide uniform concentrations
If there are no teeth to serve as guides, which of the following landmarks
indicate a maxillary molar area radiograph?
a. tuberosity
b. incisive foramen
c. internal oblique ridge
d. mental ridge
a. tuberosity
Which of the following material is MOST resistant to t he penetration of
ionizing radiation?
a. aluminum
b. copper
c. lead
d. plastic
c. lead
In which radiographic technique is the patient positioned in a device to
support his chin?
a. Cephalometric
b. lateral oblique jaw
c. panoramic
d. temporomandibular jaw (TMJ)
c. panoramic
What is the major advantage in using the highest speed film and higher
kilovoltage (kV)?
“RADIATION HEALTH AND SAFETY PRACTICE EXAM
2026 ”LATEST EXAM 2026 – 2027 SOLVED
QUESTIONS & ANSWERS VERIFIED 100% GRADED A+
(LATEST VERSION) WELL REVISED 100% GUARANTEE
PASS
Radiation Health and Safety Practice Exam
The purpose for using film-holding devices when taking intramural
radiographs is to
a. stabilize the tube-head
b. reduce exposure time.
c. increase image contrast
d. assist in correct film placement
d. assist in correct film placement
A film with thin density and herringbone pattern across it is the result of
a. static electricity
b. film packet reversal
c. double exposure
d. film bending.
b. film packet reversal
A full mouth radiographic survey has just been processed manually. The top
films on the processing rack have a straight, clear border on the upper edge.
This error is caused by
, Page 2 of 86
a. light in the darkroom during the developing process.
b. cone-cutting during film exposure.
c. placing the film edge too far above the teeth.
d. too low a level of developer solution.
d. too low a level of developer solution.
Using faster speed film requires
a. a longer exposure time.
b. a shorter exposure time.
c. decreased developing time.
d. increased developing time.
b. a shorter exposure time.
The life expectancy of radiographic processing solution depends upon all of
the following EXCEPT
a. number of films processed.
b. solution exposure to air.
c. solution contamination.
d. solution temperature.
d. solution temperature.
Insufficient washing processed radiographic film will result in a
a. very light radiographic image.
b. brownish-yellow stain of the radiograph.
c. opaque area on the radiograph.
d. completely blackened film.
b. brownish-yellow stain of the radiograph
When processing a radiograph, the darkroom overhead light was off, the
safety light was on, and the door was slightly open. What effect will exposure
to mirror amounts of room light have on the processed radiograph? It will
appear
a. light
b. streaked
c. black
diagnostically acceptable
c. black
, Page 3 of 86
A radiograph turns brown over time. The MOST likely cause is
a. the darkroom door being opened during processing
b. inner washing
c. underexposure
d. overdevelopment
b. inner washing
Density of a radiograph is controlled by all of the following EXCEPT.
a. kv
b. TFD (target film distance)
c. OFD (object film distance)
c. OFD (object film distance)
Which method is considered MOST effective for handling and processing
radiographs to prevent microbial contamination?
a. cover with barrier envelops
b. wipe down with paper towels
c. wash with alcohol
d. soak in bleach
a. cover with barrier envelops
A person exposing x-rays can BEST be protected from scattered radiation by
a. wearing a lead apron
b. standing behind a lead barrier
c. wearing a film badge.
d. standing 2 feet away from the tube-head
b. standing behind a lead barrier
Radiographs mounted with th raised portions of the dots toward the observer
(labial mounting) are examined as though the observer is
a. outside the mouth looking in
b. inside the mouth looking in.
c. on the patient's left side.
d. on the patient's right side
a. outside the mouth looking in.
A film accidentally exposed to white light between developing and fixing will
appear
a. clear
, Page 4 of 86
b. light
c. dark
d. blurred
c. dark
Stirring the developing and fixing solutions before manually processing films
will
a. prevent evaporation of solutions
b. provide uniform concentrations
c. prevent contamination of solutions
d. prolong solution life
b. provide uniform concentrations
If there are no teeth to serve as guides, which of the following landmarks
indicate a maxillary molar area radiograph?
a. tuberosity
b. incisive foramen
c. internal oblique ridge
d. mental ridge
a. tuberosity
Which of the following material is MOST resistant to t he penetration of
ionizing radiation?
a. aluminum
b. copper
c. lead
d. plastic
c. lead
In which radiographic technique is the patient positioned in a device to
support his chin?
a. Cephalometric
b. lateral oblique jaw
c. panoramic
d. temporomandibular jaw (TMJ)
c. panoramic
What is the major advantage in using the highest speed film and higher
kilovoltage (kV)?
