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. 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: Thyroid image. Liver image. Lung image. Brain image. None 2. Tc-99m methylene diphosphonate (MDP) is the most widely used bone imaging agent. Uptake of the tracer depends on all of the following EXCEPT Osteoblastic activity Local blood flow Extraction efficiency Liver function None 3. The primary route of excretion of Tc-99m hexakis 2-metoxy isobutyl isonitrile (Sestamibi) is: Urinary tract Respiratory tract Hepatobiliary tract Skin None 4. Why Technetium-99m is the most commonly used medical radioisotope in nuclear medicine? Has a long half-life Produces alpha and beta particles Provides good tissue penetration It is trapped and organified by the thyroid None 5. Thin layer chromatography (TLC) results were measured in the dose calibrator for a Tc-99m mebrofenin kit. If 3 mCi of free Tc-99m and 55 mCi of Tc-99m mebrofenin were measured in the dose calibrator, what is the percentage of radiopharmaceutical purity? 89%. 95%. 93%. 91%. None 6. Which of the following agents is used for imaging patients with suspected liver haemangioma? 99mTc Methylene diphosphonate 99mTc Sulfur Colloid 99mTc Pyrophosphate 99mTc Labelled RBCs None 7. The fraction of total radioactivity present in the form of desired radiopharmaceutical is called: Integrity of a formulation Radiochemical purity Formulation strength Radionuclide purity None 8. Which of the following two tracers are the most widely used in for the quantification of regional myocardial blood flow with PET? F-18 N-methylspiperone and C-11-labeled methiodide salt of quinuclidinyl benzylate. F-18-labeled fluorodopamine and C-11-labeled hydroxyephedrine. F-18-labeled glucose and O-15 carbon monoxide. Oxygen-15-labeled water and nitrogen-13-labeled ammonia. None 9. In-111 and Tc-99m-labeled white blood cells (WBC) accumulation have been observed in all of the following conditions/sites EXCEPT: Gastrointestinal bleeding. Vascular access lines. Focal seizures. Debridement sites. None 10. 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 RBC is rapidly cleared from intravascular space Tc-99m RBC do not contribute to observed background activity Tc-99m sulfur colloid use is limited for the detection of gastric bleeding only Tc-99m sulfur colloid is rapidly cleared from intravascular space 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
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