RADIATION_HEALTH_AND_SAFETY_PRACTICE_PREPARATION_TEST_2026_QUESTIONS.

RADIATION HEALTH AND SAFETY
PRACTICE PREPARATION TEST 2026
QUESTIONS AND CORRECT ANSWERS
GRADED A+

●● What form of energy can penetrate matter? Answer: electromagnetic


●● A carious lesion is suspected on the distal of tooth #19. Which
radiograph is preferred for confirmed diagnosis? Answer: left molar bite
wing


●● Which oral region is most likely to elicit a gag reflex? Answer:
maxillary molars


●● When viewing a mount, which film should be placed in the top row,
far left corner? Answer: maxillary right molar periapical


●● Which agency dictates the maximum permissible dose an operator
may receive? Answer: National Council on Radiation Protection and
Measurements


●● What is the weekly maximum permissible dose limit for an operator
of radiographic equipment? Answer: 100mRem

, ●● Which error produces a darker radiographic image? Answer: fixer
solution was too cold


●● Which statement is true? Answer: Pregnant patients often refuse
radiographs for purely psychological reasons


●● Which is true regarding the maximum permissible dose of an
occupationally exposed pregnant worker? Answer: becomes the same as
the general public


●● Which type of toxin formation in cells must operators of x-ray
equipment and patients receiving radiation be protected? Answer:
indirect


●● What does the letter "N" represent in N-18? Answer: age of operator


●● Which factors affect the sharpness of a radiographic image? Answer:
patient movement, size of the focal spot, size of silver halide crystals


●● What is the yearly maximum permissible dose, in rem, for an
operator of radiographic equipment? Answer: 5