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. 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? 0.5 - 1 Hour 10 - 11 Hours 2 - 3 Hours 4 - 6 Hours 2. 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 acceptance window The same length of time The same number of counts The same number of beats 3. 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: All duration beats will be accepted Having a duration 1,000 ms Having a duration 1–1,000 ms Having a duration 500–1,500 ms 4. The short axis cardiac tomogram is displayed with the orientation as if the viewer was observing the heart from the: Inferior wall Base Lateral wall Apex 5. The cardiac measurement defined as the blood volume pumped out by the ventricle over 1 min time period is called the: Cardiac output Stroke volume Ejection fraction Systolic 6. All of the following diagnostic methods can be used for the identification of hibernating myocardium EXCEPT: Stress electrocardiography. SPECT MPI. FDG PET. Dobutamine echocardiography. 7. What is the way that the blood return to the heart from small intestine? Hepatic vein -> Vena cava -> Hepatic portal vein Hepatic portal vein -> Hepatic vein -> Vena cava Hepatic portal vein -> Vena cava -> Hepatic vein Vena cava -> Hepatic portal vein -> Aorta 8. Which of the following medications can be used as an adjunct to myocardial perfusion imaging (MPI) pharmacological stress testing? Digoxin Atropine Coumadine Aspirin 9. 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 Volume curve Short axis display Polar map 10. The venous blood returning via the superior vena cava (SVC) and inferior vena cava (IVC) enters the heart at the: Left ventricle (LV). Left atrium (LA). Right ventricle (RV). Right atrium (RA). 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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