Question

According to the recommendations for standard X-ray equipment:

a. Leakage of radiation from the tube should be less than 0.1 mGy in 1 h at a distance of 1 m

b. The total filtration in a dental setting should not be less than 1.5 mm of Al

c. The collimator should be capable of restricting the field size to 10 cm x 10 cm

d. The lead apron should not be less than 45 cm wide and 40 cm long

e. For mobile equipment, the operator can stand at least 1 m from the tube

Answer 1

a. False. Leakage should be less than 1 mGy.

b. True. In a general radiology setting, filtration should not be less than 2.5 mm of Al

c. False. The collimator should be capable of restricting field size down to 5 cm 5 cm.

d. True.

e. False. The operator should stand at least 2 m from the tube and X-ray source.