NMTCB PET EXAM REVIEW UPDATED
Actual Questions and CORRECT Answers
Mixed Attentuation - CORRECT ANSWER✔✔- Malignant Pulmonary Nodules on CT are
characterized by:
Reed-Sternberg Cells - CORRECT ANSWER✔✔- Hodkin's Lymphoma is separated from
other Lymphomas by the presence of:
Acetylecholinestrearse Inhibitors
N-methyl-D-aspartate receptor antagonists - CORRECT ANSWER✔✔- Two types of
Alzheimer's mediciation:
Left Subclavian Vein - CORRECT ANSWER✔✔- Lymphatic Drainage for most of the body
is via:
Erythropoietin - CORRECT ANSWER✔✔- Hormone made in kidney's that signals the bone
marrow to make more RBCs:
Renal Cancer - CORRECT ANSWER✔✔- Affects woman >65
Renal Cell carcinomas mostly
Wilm's Tumor (pediatric)
covered under guidlines
Pancreatic Cancer - CORRECT ANSWER✔✔- Most begins in ducts
Spreads to peritoneum, liver, lungs
Imaging neck to pelvis
Covered under CMS NCD
Portal Vein and Hepatic Artery - CORRECT ANSWER✔✔- The Liver primarily receives
blood from:
,Gastric Cancer - CORRECT ANSWER✔✔- Men >65
Cardia, fundus, corpus, antrum, pylorus
Imaging Neck to Lower Pelvis
Five layers; mucosa, submucosa, muscularis, subserosa, serosa
Cells of Cajal - CORRECT ANSWER✔✔- Pacemaker of GI Tract
Staging, Restaging, Monitoring response to theraphy - CORRECT ANSWER✔✔- Breast
Cancer CMS coverage
Initial or Subsequent treatment strategy - CORRECT ANSWER✔✔- Lung Cancer CMS
coverage
Non-Small Cell
-More Common
-Spreads slowly
-Bone, Liver, Brain, Adrenal Glands
Small Cell
-Rapid Growth - CORRECT ANSWER✔✔- Two major types of Lung Cancer:
Esophageal Cancer - CORRECT ANSWER✔✔- Affects men more than women
>65 years
Squamous cell and mucinoid
Neck to pelvis imaging
Esophageal Cancer coverage - CORRECT ANSWER✔✔- Initial Treatment, restaging,
response to therapy, recurrance
Thalamus - CORRECT ANSWER✔✔- Brain structure described as "sensory relay"
,Lipophilicity - CORRECT ANSWER✔✔- Physiochemical property of a PET tracer that
decides it's ability to enter the brain and label the target receptor or enzyme:
F-18 Flurpiridaz - CORRECT ANSWER✔✔- Binds to mitochondrial complex 1
Used for myocardial perfusion imaging
Nucleophillic Substitution and Purification
Performed similar to Tc-99m Rest/Stress
Negatrons and Positrons - CORRECT ANSWER✔✔- Beta particles are electrons that
contain _____________ and ____________.
Electron Capture or Positron decay - CORRECT ANSWER✔✔- Proton rich nuclei decay
either by _____________ or ______________ .
1/3
ex: F-18 Max = 635 KeV Mean = 210 KeV - CORRECT ANSWER✔✔- Mean energy of an
ejected positron is about ___________ of the max energy.
Decrease Resolution - CORRECT ANSWER✔✔- Longer range of travel for a positron
before annihilation will ___________ resolution.
Positron emitted from atom w/ high kin. energy
Slows, combines w/ electron
Forms postironium briefly, spin
Mass is converted to energy, release two 511 KeV photons - CORRECT ANSWER✔✔-
Annihilation Reaction
2 mm
0.25 degree deviation - CORRECT ANSWER✔✔- Non-colinearity results in blurring effect
on clinical PET scanners of approximately _____ mm and angle of _____ deviation from
180.
, Gas-Filled
Anode and Cathode
Operates at Low Voltage - CORRECT ANSWER✔✔- Ionization chamber is a
____________ detector w/ a ______________ and ______________ .
National Institute of Standards and Technology ( NIST) - CORRECT ANSWER✔✔-
Ionization chamber is calibrated annually using a _____________
source so that exposure rate a given distance is known.
Geiger-Muller - CORRECT ANSWER✔✔- Gas-Filled (noble gases)
High Voltage
Secondary Ionization ---> Townsend Avalanche = high sensitivity
Sinogram - CORRECT ANSWER✔✔- A 2D projection space representation of a transaxial
image
X-axis sinogram - CORRECT ANSWER✔✔- Represents shift on LOR from the center of
the gantry
Y-axis sinogram - CORRECT ANSWER✔✔- Represents projection angle of LOR
Ring Artifact - CORRECT ANSWER✔✔- CT artifact caused by a faulty detector
Produces ring or concentric circles on CT image
Photoelectric Effect - CORRECT ANSWER✔✔- Electrons are emitted from matter
Absorption of energy from electromagnetic radiation of a very short wavelength
Pair Production - CORRECT ANSWER✔✔- 2 electrons
One -, one +, from a pulse of electromagnetic energy traveling through matter
Actual Questions and CORRECT Answers
Mixed Attentuation - CORRECT ANSWER✔✔- Malignant Pulmonary Nodules on CT are
characterized by:
Reed-Sternberg Cells - CORRECT ANSWER✔✔- Hodkin's Lymphoma is separated from
other Lymphomas by the presence of:
Acetylecholinestrearse Inhibitors
N-methyl-D-aspartate receptor antagonists - CORRECT ANSWER✔✔- Two types of
Alzheimer's mediciation:
Left Subclavian Vein - CORRECT ANSWER✔✔- Lymphatic Drainage for most of the body
is via:
Erythropoietin - CORRECT ANSWER✔✔- Hormone made in kidney's that signals the bone
marrow to make more RBCs:
Renal Cancer - CORRECT ANSWER✔✔- Affects woman >65
Renal Cell carcinomas mostly
Wilm's Tumor (pediatric)
covered under guidlines
Pancreatic Cancer - CORRECT ANSWER✔✔- Most begins in ducts
Spreads to peritoneum, liver, lungs
Imaging neck to pelvis
Covered under CMS NCD
Portal Vein and Hepatic Artery - CORRECT ANSWER✔✔- The Liver primarily receives
blood from:
,Gastric Cancer - CORRECT ANSWER✔✔- Men >65
Cardia, fundus, corpus, antrum, pylorus
Imaging Neck to Lower Pelvis
Five layers; mucosa, submucosa, muscularis, subserosa, serosa
Cells of Cajal - CORRECT ANSWER✔✔- Pacemaker of GI Tract
Staging, Restaging, Monitoring response to theraphy - CORRECT ANSWER✔✔- Breast
Cancer CMS coverage
Initial or Subsequent treatment strategy - CORRECT ANSWER✔✔- Lung Cancer CMS
coverage
Non-Small Cell
-More Common
-Spreads slowly
-Bone, Liver, Brain, Adrenal Glands
Small Cell
-Rapid Growth - CORRECT ANSWER✔✔- Two major types of Lung Cancer:
Esophageal Cancer - CORRECT ANSWER✔✔- Affects men more than women
>65 years
Squamous cell and mucinoid
Neck to pelvis imaging
Esophageal Cancer coverage - CORRECT ANSWER✔✔- Initial Treatment, restaging,
response to therapy, recurrance
Thalamus - CORRECT ANSWER✔✔- Brain structure described as "sensory relay"
,Lipophilicity - CORRECT ANSWER✔✔- Physiochemical property of a PET tracer that
decides it's ability to enter the brain and label the target receptor or enzyme:
F-18 Flurpiridaz - CORRECT ANSWER✔✔- Binds to mitochondrial complex 1
Used for myocardial perfusion imaging
Nucleophillic Substitution and Purification
Performed similar to Tc-99m Rest/Stress
Negatrons and Positrons - CORRECT ANSWER✔✔- Beta particles are electrons that
contain _____________ and ____________.
Electron Capture or Positron decay - CORRECT ANSWER✔✔- Proton rich nuclei decay
either by _____________ or ______________ .
1/3
ex: F-18 Max = 635 KeV Mean = 210 KeV - CORRECT ANSWER✔✔- Mean energy of an
ejected positron is about ___________ of the max energy.
Decrease Resolution - CORRECT ANSWER✔✔- Longer range of travel for a positron
before annihilation will ___________ resolution.
Positron emitted from atom w/ high kin. energy
Slows, combines w/ electron
Forms postironium briefly, spin
Mass is converted to energy, release two 511 KeV photons - CORRECT ANSWER✔✔-
Annihilation Reaction
2 mm
0.25 degree deviation - CORRECT ANSWER✔✔- Non-colinearity results in blurring effect
on clinical PET scanners of approximately _____ mm and angle of _____ deviation from
180.
, Gas-Filled
Anode and Cathode
Operates at Low Voltage - CORRECT ANSWER✔✔- Ionization chamber is a
____________ detector w/ a ______________ and ______________ .
National Institute of Standards and Technology ( NIST) - CORRECT ANSWER✔✔-
Ionization chamber is calibrated annually using a _____________
source so that exposure rate a given distance is known.
Geiger-Muller - CORRECT ANSWER✔✔- Gas-Filled (noble gases)
High Voltage
Secondary Ionization ---> Townsend Avalanche = high sensitivity
Sinogram - CORRECT ANSWER✔✔- A 2D projection space representation of a transaxial
image
X-axis sinogram - CORRECT ANSWER✔✔- Represents shift on LOR from the center of
the gantry
Y-axis sinogram - CORRECT ANSWER✔✔- Represents projection angle of LOR
Ring Artifact - CORRECT ANSWER✔✔- CT artifact caused by a faulty detector
Produces ring or concentric circles on CT image
Photoelectric Effect - CORRECT ANSWER✔✔- Electrons are emitted from matter
Absorption of energy from electromagnetic radiation of a very short wavelength
Pair Production - CORRECT ANSWER✔✔- 2 electrons
One -, one +, from a pulse of electromagnetic energy traveling through matter
