Oct 7, 2021 A multiple-choice quiz consists of: 10 QuestionsQuestions are selected randomly from a collection of 59 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 (Required) 1. Therapy Samarium-153 (Quadramet) is a therapeutic radiopharmaceutical used to treat: Dyspnea in lung Ca Pain in bony metastases Medullary thyroid carcinoma Polycythemia vera None 2. CNS The terminal end of the spinal cord is L1 - L2 L4 - L5 Sacrum L3 - L4 None 3. Therapy Which of the following radioisotopes approved used in the treatment of bone metastases has a significant gamma emission and can be used both for imaging and therapy? Sm-153 Ra-223 P-32 Sr-89 None 4. CNS Flow images acquired during brain death scintigraphy are assessed for blood flow to the brain. Which view is preferred when the brain flow study is performed? Anterior or posterior oblique. Anterior. Right or left lateral. Posterior. None 5. PET A 65-year-old patient is referred for a brain PET/MR study. The referring physician reports placement of a titanium alloy brain clips for an intracranial aneurysm 5 years ago. Which of the following would be the most appropriate action regarding imaging this case? It is contraindicated to perform the exam as titanium alloy is ferromagnetic Perform PET only. Perform the exam using 0.5 Tesla systems or less Perform the study regardless the system type or field strength None 6. CNS The outer layer of the cerebral hemispheres is called the cerebral cortex and is composed of: White matter. Dura mater. Gray matter. Pia mater. None 7. Therapy Which of the following property of radiation is principally used in the treatment of tumors? Chemical effect Biologic effect Photographic effect Fluorescent effect None 8. PET The concentration of glucose-6-phosphatase, an enzyme mediating dephosphorylation of FDG-6-phosphate, is low in most tumors EXCEPT: Ductal carcinoma. Hodgkin lymphoma. Hepatocellular carcinoma. Lung adenocarcinoma. None 9. Therapy The hematologic toxicity of Y-90 Zevalin therapy is common. All of the following can be a sign of hematologic toxicity EXCEPT: Fever Anemia Bruising Arrhythmia None 10. PET The elevated serum glucose level at the time of fluorodeoxyglucose (FDG) administration may decrease the sensitivity of the FDG-PET study. Althoguh intravenous bolus of insulin may effectively lower the serum glucose level, however induced hyperinsulinemia will: Induce hyperglycemia. Increase blood pressure. Shunt glucose to skeletal and cardiac muscles. Decrease heart rate. None 1 out of 10 Time's upTime is Up! بواسطة ناصر المطيري|2022-05-03T13:57:10+03:00سبتمبر 30th, 2021|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. اضف تعليقا إلغاء الردتعليق Δ
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