CNS
When the super sagittal sinus is seen on images it is an indication of brain death.
True or False
False: it is the the first venous flow after blood leaves the brain
What will happen to the size of the thyroid lobe the further it gets from the camera?
it will decrease
Ga-68 is a _________ emitter?
positron
What is/are the most common radioisotope used in indirect cystography imaging?
A. Tc99m MAG3 or Tc99m DTPA
B. Tc99m DMSA
C. Tc99m MAG3
D. Tc99m Sulfur Colloid or Tc99m pertechnetate
A. Tc99m MAG3 or Tc99m DTPA
Name one of the 3 processes that are needed for the kidneys to produce urine.
A. Efferent Filtration
B. Tubular Secretion
C. Nephron Absorption
B. Tubular Secretion
What is the other name for Biscisate?
Tc-99m ECD
Tc-99m can be used for thyroid uptake and scan and thyroid whole body scanning.
True or False
False
If a patient's WBC count is too low you can use donor cells?
True or False
True
What is the main indication in cystography imaging?
Vesicoureteral reflux
Between T3 and T4, this one is more metabolically active.
T3
How long should the patient remain resting after injecting Tc-HMPAO prior imaging a brain perfusion study?
at least 1 hour
You can image a parathyroid using miraluma?
Yes, Cardiolite, Sestamibi
What is tilmanocept used for?
Sentinal lymph node mapping
What is the method of localization for renal cortical imaging?
compartmentalization
T-4 (tetraiodothyronine) is also known as this…
thyroxine
Indicate whether the following 'sign' would indicate a positive or negative brain death study.
hot nose
positive
Regarding I-123 MIBG imaging: Normal adrenal tissue may show uptake of MIBG.
True or False
True
What impact do dense breast have on mammography?
They lower the sensitivity
Name two ACE inhibitors.
Captopril and Enalipriat
What are the two types of strokes?
Ischemic and hemorrhagic
When performing a CNS shunt study, tracer refluxing into the ventricles is normal or abnormal
A normal finding due to injection technique.
What radiopharmacutical is used to image neuroblastoma?
I-123 MIBG
What organ will have the greatest uptake at 48-72 hrs with a Ga-67 study?
Liver
Name the three parts of TAC.
A. Vestubular Cortix, Exception
B. Vascular, Cortical, Excretion
C. Excretion, Activity, Curve
D. Time, Cortical Excretion
B. Vascular, Cortical, Excretion
What is the protective layer separated circulating blood from extracellular fluid in the CNS?
Blood brain barrier