Radiation Safety A multiple-choice quiz consists of: 10 QuestionsQuestions are selected randomly from a collection of 40 questions. More Questions You will get deferent questions every time you take the quiz. Correct AnswersThere could be more than one correct answer, select all that apply.Skip QuestionsYou are allowed to scroll backward and forward before submitting your answers.10 MinutesThe quiz has a time limit. Time's up You can still submit your answers after the allowed period of time has ended . When ready, click Next to start the quiz. Name (Required) Email (Optional) Twitter (Optional) 1. In which of the following periods during pregnancy does radiation exposure confer the greatest risk to the fetus? 31 - 40 weeks 21 - 30 weeks 11 - 20 weeks 1 - 10 weeks None 2. Hydration and voiding following a bone scan are mandatory. Which of the following is the most likely significance? Minimizes the radiation dose to the bladder. Provides excellent quality image. Prevents the uptake of technetium by the Stomach. Minimizes urine contamination. None 3. Which of the following is a source of background radiation? Cobalt radiotherapy units. Medical radiography units. Diagnostic radioactive nuclides. Natural radioactive materials. None 4. The relationship that states that electromagnetic radiation intensity is inversely proportional to the square of the distance from a point source is called: Inverse square rule Inverse square law Inverse square protection Inverse square principle None 5. Measurement of radioactive materials present inside a person’s body through analysis of the person’s blood, urine, feces, or sweat is called: Biodistribution Radioconcentration Bioassay Biodosimetry None 6. A body is placed 4 feet from a radiation source and received an exposure rate of 20 R/h. Which of the following is the distance required for the exposure rate of 5 R/h? 12 ft. 4 ft. 5 ft. 8 ft. None 7. Which of the following is the maximum dose limit for a pregnant radiographer per month? 0.5 mSv. 10 Roentgen. 10 Rem. 5 Roentgen. None 8. A radioactive source produces exposure of 30 millirem per hour (mR/h) at 2-m distance. If the distance is increased to 5-m what is the new exposure rate? 6.1 mR/h 5.6 mR/h 5.1 mR/h 4.8 mR/h None 9. The survey meter, also known as the Geiger-Mueller detector or Geiger counter, is a radiation detector filled with: Water Scintillation crystals Gas Lead None 10. Which of the following is the safest time for a woman to have a nuclear medicine procedure, according to the 10 day-rule? First 10 days of each month. 10 days before beginning of menses. 10 days after beginning of menses. Last 10 days of each month. None 1 out of 10 Time's upTime is Up! By Nasser AlMutairi|2021-03-25T11:22:28+03:00March 25th, 2021| Share This Post With Others! FacebookXLinkedInWhatsAppPinterestEmail About the Author: Nasser AlMutairi Senior Nuclear Medicine Specialist at Hafar Al-Batin Central Hospital, Founder of NuclearMed Website. Leave a ReplyCancel reply
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