Nuclear Pharmacy A multiple-choice quiz consists of: 10 QuestionsQuestions are selected randomly from a collection of 29 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. The mechanism by which the epithelial cells of the thyroid concentrate iodide is termed? Absorption Trapping Hormonogenesis Active transport None 2. Tc-99m-labeled red blood cells (Tc-99m RBC’s) and Tc-99m-labeled sulfur (Tc-99m sulfur colloid) can be used for the detection of gastrointestinal bleeding. Which of the following statements correctly describe their properties? Tc-99m sulfur colloid is rapidly cleared from intravascular space Tc-99m sulfur colloid use is limited for the detection of gastric bleeding only Tc-99m RBC is rapidly cleared from intravascular space Tc-99m RBC do not contribute to observed background activity None 3. The fraction of total radioactivity present in the form of desired radiopharmaceutical is called: Radionuclide purity Integrity of a formulation Formulation strength Radiochemical purity None 4. Which of the following radiopharmaceutical agents is used in MUGA scan? 99mTc Methylene diphosphonate 99mTc Pyrophosphate 99mTc Diethylenetriaminepentaacetate 99mTc Hydroxy diphosphonate None 5. Which of the following agents is used for imaging patients with suspected liver haemangioma? 99mTc Pyrophosphate 99mTc Methylene diphosphonate 99mTc Labelled RBCs 99mTc Sulfur Colloid None 6. F-18-labeled fluorometaraminol, F-18-labeled fluorodopamine, and C-11- labeled hydroxyephedrine are myocardial PET tracers used for imaging: Presynaptic sympathetic innervations. Myocardial viability. Myocardial blood flow. Fatty acid metabolism. None 7. Free Tc-99mO4− is an example of the radiochemical impurity in Tc-99m-tagged red blood cells (RBCs) preparation. During bleeding scan scintigraphy presence of free Tc-99m can be detected on: Liver image. Thyroid image. Lung image. Brain image. None 8. Many sulfur colloid kits contain ethylenediaminetetraacetic acid (EDTA), the chelating agent that binds the Al+3 ions and prevents: The disintegration of the colloidal particles The aggregation of the colloidal particles The phagocytosis of the colloidal particles The migration of the colloidal particles None 9. Tc-99m-labeled leukocytes and Tc-99m sulfur colloid accumulate in the reticuloendothelial cells of the bone marrow. The distribution of marrow activity is similar in all of the following conditions with the exception of: Paget’s disease Bone fracture Osteomyelitis Shin splint None 10. Excessive free pertechnetate in Tc-99m methylene diphosphonate (MDP) preparation will result in increased tracer accumulation in the: Thyroid and bowel Thyroid and kidney Thyroid and stomach Thyroid and liver None 1 out of 10 Time's upTime is Up! بواسطة ناصر المطيري|2021-09-29T14:06:48+03:00سبتمبر 29th, 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
اضف تعليقا