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47 Cards in this Set
- Front
- Back
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What is the imaging protocol. Was most probably used to obtain the images in figure. 1?
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B. Consecutive 3 sec images for 45 sec.
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Which of the following describes activity on delayed static images in a patient with testicular torsion?
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A. Decreased.
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Clearance of technetium-99m mag3 is by?
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B. Tubular secretion.
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Which Renal imaging agent allows imaging at 6 hours after injection?
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D. Technetium-99m DMSA.
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A patient with Cushing's syndrome might receive a dose of?
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A. I-131 and NP - 59 to study the adrenal cortex.
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A patient who received an injection of I 131 MIBG pheochromocytoma should also receive?
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C. Lugol's solution.
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Which of the following is used to image the adrenal cortex?
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B. I-131 NP-59.
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Technetium-99m DMSA delivers a relatively high radiation dose to the kidneys because?
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Be. There is a long effective half-life in the kidneys.
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Which of the following is excreted by glomerular filtration
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A. Technetium-99m DTPA.
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Indications for renal scanning with radionuclides include?
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E. All of the above. (A)Access blood flow to the transplanted kidneys, (B) allergy to iondinated contrast, (C) assess function of native kidneys, (D) evaluation of space - occupying lesions.
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Normal glomerular filtration rate is?
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D. 125 ml / min
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For visualizing intraparenchymal lesions in the kidneys, the radiopharmaceuticals choice from the list below is?
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A. Technetium-99m DMSA.
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What is the preparation for renal functional imaging with Tc 99m mag 3?
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B. Patient must be well hydrated.
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30 minutes after injection of 8 MCI of 99 MTC mag 3, there is significant activity remaining in the renal pelvis. What will most likely follow?
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D. All of the above. (A) patient will be asked to void before imaging, (B) a diuretic will be administered, (C) imaging will be extended for 20 minutes.
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If after administration of furosemide a patient still has activity in the renal calyses there is probably?
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D. Collecting system obstruction.
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Performing an evaluation of a renal transplant includes the following considerations.
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B. Dictector face should be centered over the right or left iliac fossa.
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The left kidney is usually lower than the right because of the spleen? T or F.
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B. False.
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setting up for a scrotal scan includes?
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A. Elevating the scrotum with towels or a sling fashioned from tape across the thighs.
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Torsion of the testicles..
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C. Is a surgical emergency.
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The adult dose of TC 99m pertechnetate for imaging the testicles is?
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D. 10 - 20 MCI.
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The kidneys are normally perfused via the iliac artery?
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B. False.
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Radionuclide cystography is most often performed to?
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C. Detect vesicoureteral reflux.
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The expected bladder capacity for a 6 year old child is?
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C. 240ml.
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The reason for calculation of expected bladder capacity before administering radionuclide is?
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C. To have an idea of when maximum bladder filling will be reached.
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A technologist is performing radionuclide cystography on a four year old girl. During bladder filling with tc-99m in saline, there is leakage from around the catheter. what impact will this have?
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D. A and B. Quantitative information will be unreliable, and the detector may become contaminated if it has not been properly protected with plastic-backed, absorbent paper.
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Which of the following describes normal images from radionuclide cystography during bladder feeling?
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Increasing activity in the bladder over time.
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Preparation for a pediatric radionuclide cystography includes?
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E. All of the above. (A) patient catherization, (B) Calculation of expected bladder capacity, (C) taking measures to prevent contamination of equipment, personnel, and imaging room and (D) emptying the patience bladder.
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In normal patients, a volume of up to 1.5 ml may reflux into the ureters and kidneys at maximum bladder filling? T or F
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False.
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Voiding images taken during radionuclide cystography should be?
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Dynamic images.
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Which of the following is not true regarding glomerular filtration rate?
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It can be determined only by taking blood or urine specimens.
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Which radio pharmaceuticals can be used to determine effective renal plasma flow?
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Tc-99m MAG 3 and Tc-99m DTPA
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An advantage of GFR and ERPF measurements over other indicators of renal function such as BUN and creatinine is that the function of each kidney can be determined separately? T or F?
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True.
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Which saline bottle would be sufficient to fill the bladder of an 8 year old during radionuclide cystography?
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400 ml
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Which renal imaging agent requires the highest administered dose
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(A) TC 99m DTPA & (C) TC 99m mag 3.
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A technologist prepares a radio pharmaceutical for renal imaging at 8 a.m.. The patient arrives late at 12:15 p.m. And therefore a new kit has to be made. The radiopharmaceutical being used is?
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Tc 99m DMSA
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On a normal renal scan, gallbladder activity is noted. This indicates that the scan was performed using?
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Tc-99m mag 3.
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Following the injection of I-131 NP-59, imaging for adrenal lesions is performed?
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5 - 7 days later.
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The adrenal glands are?
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superior to the kidney.
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Which of the following is a tuft of capillaries?
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The glomerulus.
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What percentage of cardiac output is directed to the kidneys?
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25%.
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On otherwise normal static images of the kidneys, the lower poles of the kidneys appear slightly decreased and intensity relative to the upper poles. Why is this?
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The lower poles of the kidneys are situated slightly anterior to the upper poles.
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In a patient with renal artery stenosis?
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A post captopril study will show decreased GFR.
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When performing Captopril Renography, Captopril should be administered?
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one hour prior to the injection of radiopharmaceutical.
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Preparation for Captopril renography includes?
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D. All of the above. (A) ace-inhibitors stopped, (B ) fasting to enhance absorption of oral captopril, & (C) well - hydrated patients.
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Captopril is used when?
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The patient is suspected of having renovascular hypertension.
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What will probably be done next, given the Renogram shown in Fig. 2? (The right kidney is slightly higher than the left kidney and the bladder is very decreased -empty.)
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A diuretic will be given to rule out mechanical obstruction.
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When performing ACEI Renography, all of the following is correct except for?
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If a patient is already on ACEI therapy, no further ACEI is needed before ACEI Renography.
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