Ramer · Alavi Nuclear Medicine Technology

748 Cardiovascular System Scintigraphy18) All of the following will negatively affect a myocardialstudy with 201 Tl chloride except:a. wrong collimatorb. arrhythmiac. incorrect CORd. increased patient to detector distancee. none of the above19) Dipyridamole is supplied to a nuclear medicinedepartment in 10 ml vials, each containing 50 mg. If apatient weighs 155 pounds, how many milliliters mustbe injected for him to receive 0.56 mg/kg?a. 7.9 mlb. 8.7 mlc. 17.4 mld. 39.5 ml20) Which of the following does not describe correctpreparation for an exercise myocardial study?a. NPO at least 4 hours prior to radiopharmaceuticaladministrationb. catheter placement for injection of radiopharmaceuticalduring exercisec. halt all medication 24 hours before studyd. none of the above21) During an exercise gated study, the ECG patternsuddenly becomes dramatically different, although thepatient is responsive, has an unchanged pulse rate,continues to exercise, and has no pain. The technologistshould first:a. start CPRb. call a codec. check for a disconnected leadd. call the referring physiciane. do nothing