اختبار: الجهاز الدوري الدموي A multiple-choice quiz consists of: 10 QuestionsQuestions are selected randomly from a collection of 25 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. Attenuation artifacts of tomographic myocardial perfusion imaging may decrease the diagnostic accuracy of the technique, predominantly due to: Increase in false negative Increase in false positive Increase in true negative Increase in true positive None 2. What heart chamber does the aorta arise from? Right ventricle Left ventricle Left Atrium Right Atrium None 3. Myocardial ischemia could be distinguished from myocardial infarction by analysis of PET images of the perfusion tracer N-13-labeled ammonia and the glucose analogue FDG. Region with “flow-metabolism mismatch” – decreased flow with normal increased FDG activity – represents: Hibernating myocardium. Stunned myocardium. Viable myocardium. Infarcted myocardium. None 4. The short axis cardiac tomogram is displayed with the orientation as if the viewer was observing the heart from the: Base Inferior wall Lateral wall Apex None 5. If a patient has an irregular heart rate, the total number of cardiac cycles acquired for each projection will be the same if each projection is acquired for: The same number of counts The same number of beats The same length of time The same acceptance window None 6. Through which of the following structure the deoxygenated blood passes through after leaving the right ventricle to reach the lungs? Pulmonary semilunar valve pulmonary artery. bicuspid valve , pulmonary vein. Pulmonary semilunar valve pulmonary vein. Aortic semilunar valve . pulmonary artery. None 7. A patient with possible acute myocardial infarction is injected with 99mTc pyrophosphate. The technologist needs to obtain images with better target-to background ratio. Which of the following time ranges gives the best results? 10 - 11 Hours 2 - 3 Hours 4 - 6 Hours 0.5 - 1 Hour None 8. Which of the following arteries supplies the myocardium? Coronary Pulmonary Subclavian Carotid None 9. What is the way that the blood return to the heart from small intestine? Vena cava -> Hepatic portal vein -> Aorta Hepatic vein -> Vena cava -> Hepatic portal vein Hepatic portal vein -> Hepatic vein -> Vena cava Hepatic portal vein -> Vena cava -> Hepatic vein None 10. The dose for cardiac first pass imaging studies must be contained in a volume not exceeding: 3 ml 2 ml 1 ml 0.5 ml None 1 out of 10 Time's upTime is Up! بواسطة ناصر المطيري|2021-09-20T14:25:53+03:00أبريل 26th, 2021|الجهاز الدوري الدموي|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 أعلمني بمتابعة التعليقات بواسطة البريد الإلكتروني. أعلمني بالمواضيع الجديدة بواسطة البريد الإلكتروني. Δ
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