Radiation Protection: Test Questions Study Guide Graded A+

133. If an exposure dose of 50 mR/h is delivered from a distance of 3ft , what would be the dose delivered after 20 minutes at a distance of 5ft from the source? (A) 6 mR (B) 18 mR (C) 46 mR (D) 138 mR {Ans: (A) 6 mR}16. Diagnostic x-radiation may be correctly described as (A) low energy, low LET (B) low energy, high LET (C) high energy, low LET (D) high energy, high LET {Ans: A) low energy, low LET}128. Which of the following contributes most to patient dose? (A) The photoelectric effect (B) Compton scatter (C) Classic scatter (D) T ompson scatter {Ans: (A) The photoelectric effect}157. Somatic effects resulting from radiation exposure can 1. have possible consequences on the exposed individual 2. have possible consequences on future generations 3. cause temporary infirtility (A) 1 only (B) 1 and 3 only (C) 2 and 3 only (D) 1, 2, and 3 {Ans: (B) 1 and 3 only}102. If an individual receives 50 mR while standing 4 from a source o radiation or 2 minutes, which of the following option(s) will most effectively reduce his or her radiation exposure to that source of radiation?