Ramer · Alavi Nuclear Medicine Technology

11 Genitourinary System Scintigraphy 11541) On otherwise normal static images of the kidneys,the lower poles of the kidneys appear slightly decreasedin intensity relative to the upper poles. Why is this?a. there is probably an obstruction of the collectingsystemb. there are bilateral space occupying lesions in thelower polesc. the adrenal glands are attenuating the activityfrom the lower polesd. the lower poles of the kidneys are situated slightlyanterior to the upper poles42) In a patient with renal artery stenosis:a. a post captopril study will show increased GFRb. a post captopril study will show decreased GFRc. a post captopril study will show GFR to be unchanged43) When performing captopril renography, captoprilshould be administered:a. one hour prior to the injection of radiopharmaceuticalb. 20 minutes after the injection of radiopharmaceuticalc. only if activity persists in the renal pelvis 20 minutesafter radiopharmaceutical administrationd. at the same time as the injection as of radiopharmaceutical44) Preparation for captopril renography includes:a. ACE inhibitors stoppedb. fasting to enhance absorption of oral captoprilc. well hydrated patientd. all of the abovee. none of the above