اختبار: الحماية من الأشعة 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. Hydration and voiding following a bone scan are mandatory. Which of the following is the most likely significance? Provides excellent quality image. Minimizes the radiation dose to the bladder. Prevents the uptake of technetium by the Stomach. Minimizes urine contamination. None 2. A radiopharmaceutical spilled on the floor. Which of the following is the best management? Dispense a chelating solution to control contamination Contact the Housekeeping Department to arrange for cleaning Contact the radiation safety officer to arrange for cleaning Cover the area with absorbent paper and restrict access None 3. Which of the following is the dose quantity used to measure the overall risk of exposure to ionizing radiation? Effective Absorbed Average Equivalent None 4. Which of the following is the critical organ for Tc99m MDP Medronate? Kidney. Spleen. Bladder. Thyroid. None 5. Which of the following diagnostic examinations will deliver the smallest estimated dose to the fetus? Interventional fluoroscopically guided procedures Abdomen CT Pelvis X-ray Lung perfusion scan None 6. The survey meter, also known as the Geiger-Mueller detector or Geiger counter, is a radiation detector filled with: Scintillation crystals Lead Gas Water None 7. Which of the following is the maximum dose limit for a pregnant radiographer per month? 10 Roentgen. 10 Rem. 0.5 mSv. 5 Roentgen. None 8. Which of the following are the 3 cardinal elements considered for radiation protection? Time, kilovoltage and milliampere Collimation, filtration and grid Kilovoltage, distance and shielding Time, distance and shielding None 9. According to the criteria defining unrestricted areas and listed in Nuclear Regulatory Commission-10 Code of Federal Regulations (NRC-10CFR) Part 20 Section 1301, all licensees must perform procedures so that a dose in any unrestricted area does not exceed: 0.005 rem in any 1 hour 0.001 rem in any 1 hour 0.002 rem in any 1 hour 0.004 rem in any 1 hour None 10. 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? 4.8 mR/h 5.6 mR/h 5.1 mR/h 6.1 mR/h None 1 out of 10 Time's upTime is Up! بواسطة ناصر المطيري|2021-09-20T14:26:56+03:00أبريل 15th, 2021|السلامة من الإشعاع|لا توجد تعليقات شارك هذه الصفحة, واترك رأيك حول الموضوع باستخدام وسيلة التواصل التي تناسبك FacebookXLinkedInWhatsAppPinterestEmail عن: ناصر المطيري كبير أخصائيي الطب النووي في مستشفى حفر الباطن المركزي و مؤسس موقع نيوكليرمد. منشورات متعلقة اختبار: وحدات و كميات الأشعة الأساسية اختبار: وحدات و كميات الأشعة الأساسية أبريل 15th, 2021 | لا توجد تعليقات اترك تعليقاًإلغاء الرد
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