Which of the follow needles has the smallest bore?
a. 19g
b. 21g
c. 23g
d. 25g - ANSWER d. 25g
Poor concentration of Tc-99m MAA within the lungs and increased activity within the stom-
ach and GI tract, would be indicative of:
a. patient has a right to left cardiac shunt
b. poor radiopharmaceutical tag
c. extensive pulmonary emboli
d. early stage renal failure - ANSWER b. poor radiopharmaceutical tag
Xe-133 is a readily diffusible gas that will concentrate in:
a. necrotic tissue
b. fatty tissues
c. saline
d. blood - ANSWER b. fatty tissue
The main disadvantage for using Tc99mO4 for brain perfusion imaging is:
a. availability
b. normal passage of bbb
c. choroid plexus uptake
1
,d. rapid renal clearance - ANSWER c. choroid plexus uptake
Tl-201 is typically referred to as a _____ ion analog.
a. K+
b. Na+
c. Ca++
d. Cl- - ANSWER a. K+
Typical concentration of Tl-201 within myocardial tissues:
a. 2-5%
b. 5-10%
c. 10-20%
d. 20-40% - ANSWER a. 2-5%
When performing Liver-Spleen scans with sulfur colloid, a patient with extensive liver dis-
ease will typically exhibit:
a. increased liver uptake
b. increased bone marrow activity
c. increased biliary uptake
d. decreased bone marrow activity - ANSWER b. increased bone marrow activity
When performing bone scintigraphy on a patient with poor renal function, one would expect
to see:
a. higher target to background ratios
b. low target to background ratio
c. no effect
d. increased renal activity - ANSWER b. low target to background ratio
2
, Tc-99m MAG3 is cleared from the kidneys via:
a. glomerular filtration
b. tubular secretion
c. tubular reabsorption
d. a and b
e. a and c - ANSWER d. a and b
Which of the following is not an indication for the use of Tc-99m sulfur colloid:
a. cholelithiasis
b. hepatomegaly
c. splenomegaly
d. none of the above - ANSWER a. cholelithiasis
Ga-67 is produced via:
a. linear accelerator
b. byproduct material
c. chemical reaction
d. cyclotron - ANSWER d. cyclotron
Which of the following isotopes has not been used for bone scintigraphy?
a. Tc-MDP
b. Sr-87m
c. Sr-89
d. Tc-PYO - ANSWER c. Sr-87m
Which of the following radiopharmaceuticals has not been been used for tumor or abscess
imaging?
a. Ga67 citrate
3
a. 19g
b. 21g
c. 23g
d. 25g - ANSWER d. 25g
Poor concentration of Tc-99m MAA within the lungs and increased activity within the stom-
ach and GI tract, would be indicative of:
a. patient has a right to left cardiac shunt
b. poor radiopharmaceutical tag
c. extensive pulmonary emboli
d. early stage renal failure - ANSWER b. poor radiopharmaceutical tag
Xe-133 is a readily diffusible gas that will concentrate in:
a. necrotic tissue
b. fatty tissues
c. saline
d. blood - ANSWER b. fatty tissue
The main disadvantage for using Tc99mO4 for brain perfusion imaging is:
a. availability
b. normal passage of bbb
c. choroid plexus uptake
1
,d. rapid renal clearance - ANSWER c. choroid plexus uptake
Tl-201 is typically referred to as a _____ ion analog.
a. K+
b. Na+
c. Ca++
d. Cl- - ANSWER a. K+
Typical concentration of Tl-201 within myocardial tissues:
a. 2-5%
b. 5-10%
c. 10-20%
d. 20-40% - ANSWER a. 2-5%
When performing Liver-Spleen scans with sulfur colloid, a patient with extensive liver dis-
ease will typically exhibit:
a. increased liver uptake
b. increased bone marrow activity
c. increased biliary uptake
d. decreased bone marrow activity - ANSWER b. increased bone marrow activity
When performing bone scintigraphy on a patient with poor renal function, one would expect
to see:
a. higher target to background ratios
b. low target to background ratio
c. no effect
d. increased renal activity - ANSWER b. low target to background ratio
2
, Tc-99m MAG3 is cleared from the kidneys via:
a. glomerular filtration
b. tubular secretion
c. tubular reabsorption
d. a and b
e. a and c - ANSWER d. a and b
Which of the following is not an indication for the use of Tc-99m sulfur colloid:
a. cholelithiasis
b. hepatomegaly
c. splenomegaly
d. none of the above - ANSWER a. cholelithiasis
Ga-67 is produced via:
a. linear accelerator
b. byproduct material
c. chemical reaction
d. cyclotron - ANSWER d. cyclotron
Which of the following isotopes has not been used for bone scintigraphy?
a. Tc-MDP
b. Sr-87m
c. Sr-89
d. Tc-PYO - ANSWER c. Sr-87m
Which of the following radiopharmaceuticals has not been been used for tumor or abscess
imaging?
a. Ga67 citrate
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