NUCLEAR MEDICINE BOARD REVIEW
NMTCB QUESTIONS AND ANSWERS
(GRADED A)
According to NRC criteria, which of the following is a misadministration?
a. Infiltration of an attempted intravenous injection
b. Administration of 10 mCi I-131 instead of the prescribed 9 mCi
c. Administration of 20 mCi Tc-99m pertechnetate instead of the prescribed 10 mCi
d. Administration of 15 mCi I-131 sodium iodide intravenously instead of orally as
prescribed.
e. Administration of 5 mCi Tc-99m sulfur colloid to the wrong patient. - ANSWER-D
Chromatography testing of technetium radiopharmaceuticals is done to check for:
a. Aluminum Contamination
b. Molybdenum breakthrough
c. Radionuclidic purity
d. Radiochemical purity
e. Chemical purity - ANSWER-D
The use of elliptical and/or body contour orbits in SPECT imaging should result in
improved:
a. Temporal resolution
b. Spatial resolution
c. Reconstruction times
d. Acquisition times
e. Patient comfort - ANSWER-B
Which of the following variables does not affect spatial resolution in nuclear medicine
imaging systems:
a. Physical design of the collimator
b. Material of which the collimator is constructed
c. Energy of the gamma rays being counted
d. Computer matrix pixel size
e. Byte vs. word acquisition mode - ANSWER-E
Full width at half maximum (FWHM) is often used as a measure of:
a. Uniformity
b. Sensitivity
c. Intensity
d. Resolution
e. Dead time - ANSWER-D
, At what distance is the exposure rate (in mR/hr) indicated by a package's transport
index measured?
a. At the surface
b. At 1 meter from the surface
c. At 3 meters from the surface
d. At 6 meters from the surface
e. Transport index doesn't have anything to do with exposure, all packages, radioactive
or not, have a T.I. - ANSWER-B
According to NRC, an unrestricted area is one in which a person would receive a
radiation dose of less than:
a. 2 mrem/hr
b. 5 mrem/hr
c. 10 mrem/hr
d. 20 mrem/hr
e. 50 mrem/hr - ANSWER-A
The dose rate during preparation of a radiopharmaceutical is 1.66 mrem/hr. With this
rate reduced by 2 HVLs, how many hours would it take a worker to accumulate 10
mrems?
a. 3
b. 6
c. 12
d. 24
e. 48 - ANSWER-D
In a euthyroid patient, which of the following describes the result of Cytomel (T3)
administration for 8 days prior to a radioactive iodine thyroid uptake?
a. Elevated protein bound iodine
b. Suppressed "cold" nodules
c. Increased thyroid uptake
d. Decreased thyroid uptake
e. No variation in uptake - ANSWER-D
Uncorrected flood field nonuniformities cause ____________ artifacts in tomographic
reconstruction.
a. Irregular
b. Dropout
c. Circular
d. Undulating
e. Linear - ANSWER-C
How many 16-bit words of memory are required for a 64 x 64 byte mode image?
a. 2,048
b. 4,096
c. 16,384
NMTCB QUESTIONS AND ANSWERS
(GRADED A)
According to NRC criteria, which of the following is a misadministration?
a. Infiltration of an attempted intravenous injection
b. Administration of 10 mCi I-131 instead of the prescribed 9 mCi
c. Administration of 20 mCi Tc-99m pertechnetate instead of the prescribed 10 mCi
d. Administration of 15 mCi I-131 sodium iodide intravenously instead of orally as
prescribed.
e. Administration of 5 mCi Tc-99m sulfur colloid to the wrong patient. - ANSWER-D
Chromatography testing of technetium radiopharmaceuticals is done to check for:
a. Aluminum Contamination
b. Molybdenum breakthrough
c. Radionuclidic purity
d. Radiochemical purity
e. Chemical purity - ANSWER-D
The use of elliptical and/or body contour orbits in SPECT imaging should result in
improved:
a. Temporal resolution
b. Spatial resolution
c. Reconstruction times
d. Acquisition times
e. Patient comfort - ANSWER-B
Which of the following variables does not affect spatial resolution in nuclear medicine
imaging systems:
a. Physical design of the collimator
b. Material of which the collimator is constructed
c. Energy of the gamma rays being counted
d. Computer matrix pixel size
e. Byte vs. word acquisition mode - ANSWER-E
Full width at half maximum (FWHM) is often used as a measure of:
a. Uniformity
b. Sensitivity
c. Intensity
d. Resolution
e. Dead time - ANSWER-D
, At what distance is the exposure rate (in mR/hr) indicated by a package's transport
index measured?
a. At the surface
b. At 1 meter from the surface
c. At 3 meters from the surface
d. At 6 meters from the surface
e. Transport index doesn't have anything to do with exposure, all packages, radioactive
or not, have a T.I. - ANSWER-B
According to NRC, an unrestricted area is one in which a person would receive a
radiation dose of less than:
a. 2 mrem/hr
b. 5 mrem/hr
c. 10 mrem/hr
d. 20 mrem/hr
e. 50 mrem/hr - ANSWER-A
The dose rate during preparation of a radiopharmaceutical is 1.66 mrem/hr. With this
rate reduced by 2 HVLs, how many hours would it take a worker to accumulate 10
mrems?
a. 3
b. 6
c. 12
d. 24
e. 48 - ANSWER-D
In a euthyroid patient, which of the following describes the result of Cytomel (T3)
administration for 8 days prior to a radioactive iodine thyroid uptake?
a. Elevated protein bound iodine
b. Suppressed "cold" nodules
c. Increased thyroid uptake
d. Decreased thyroid uptake
e. No variation in uptake - ANSWER-D
Uncorrected flood field nonuniformities cause ____________ artifacts in tomographic
reconstruction.
a. Irregular
b. Dropout
c. Circular
d. Undulating
e. Linear - ANSWER-C
How many 16-bit words of memory are required for a 64 x 64 byte mode image?
a. 2,048
b. 4,096
c. 16,384
