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. The venous blood returning via the superior vena cava (SVC) and inferior vena cava (IVC) enters the heart at the: Left ventricle (LV). Right ventricle (RV). Left atrium (LA). Right atrium (RA). 2. 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: Viable myocardium. Infarcted myocardium. Stunned myocardium. Hibernating myocardium. 3. Atropine is an anticholinergic agent frequently used with dobutamine stress testing to increase: Blood pressure Heart rate Vasospasm Oxygen supply 4. What does Cardiomegaly mean? Cardiac enlargement Coronary artery disease Congestive heart failure Myocardial infarction 5. More than a few of the main imaging modalities use ionizing radiation for cardiovascular diagnosis and/or treatment. Which of the following modalities is used for coronary artery plaque and calcification imaging? Cardiac Positron Emission Tomography (PET). Myocardial Perfusion Imaging (SPECT MPI). X-ray Fluoroscopy. Cardiac Computerized Tomography (CCT). 6. The raw myocardial perfusion projection images are routinely evaluated for all of the following purposes EXCEPT: Motion artifacts Wall motion analysis Noncardiac pathology Attenuation artifacts 7. If the time between two successive R points is 1 second, a beat length acceptance window of 100% allows accumulation of data from cardiac beats: Having a duration 1,000 ms All duration beats will be accepted Having a duration 500–1,500 ms Having a duration 1–1,000 ms 8. Which of the following is the most anteriorly located heart chamber? Left atrium Left ventricle Right atrium Right ventricle 9. Which of the following medications can be used as an adjunct to myocardial perfusion imaging (MPI) pharmacological stress testing? Coumadine Atropine Aspirin Digoxin 10. A two-dimensional illustration of a three-dimensional allocation of the radiotracer in the myocardium which allows visualization of perfusion defects in a compressed format is known as: Counts profile Short axis display Volume curve Polar map 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. اترك تعليقاًCancel reply
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