NMTCB ACTUAL EXAM PAPER 2026
QUESTIONS WITH ANSWERS GRADED A+
• Mixed Attentuation.
Answer: Malignant Pulmonary Nodules on CT are characterized by:
• 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
• Reed-Sternberg Cells.
Answer: Hodkin's Lymphoma is separated from other Lymphomas by the
presence of:
• Acetylecholinestrearse Inhibitors N-methyl-D-aspartate receptor
antagonists.
Answer: Two types of Alzheimer's mediciation:
• Left Subclavian Vein.
Answer: Lymphatic Drainage for most of the body is via:
• 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
• Erythropoietin.
Answer: Hormone made in kidney's that signals the bone marrow to make
more RBCs:
• 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
• Uncorrected flood field nonuniformities cause ____________ artifacts in
tomographic reconstruction. a. Irregular b. Dropout c. Circular d.
Undulating e. Linear.
Answer: C
• Renal Cancer.
Answer: Affects woman >65 Renal Cell carcinomas mostly Wilm's Tumor
(pediatric) covered under guidlines
• Pancreatic Cancer.
Answer: Most begins in ducts Spreads to peritoneum, liver, lungs Imaging
neck to pelvis Covered under CMS NCD
• 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 d. 32,768 e. 65,535.
Answer: A
• Portal Vein and Hepatic Artery.
Answer: The Liver primarily receives blood from:
• Areas of prolonged retention of Xe-133 in the lungs are associated with: a.
Reduced trapping in the lung b. Obstructive lung disease c. Pulmonary
emboli d. Bacterial pneumonia e. Septal penetration.
Answer: B
,• Gastric Cancer.
Answer: Men >65 Cardia, fundus, corpus, antrum, pylorus Imaging Neck to
Lower Pelvis Five layers; mucosa, submucosa, muscularis, subserosa, serosa
• Cells of Cajal.
Answer: Pacemaker of GI Tract
• A patient is to undergo a multiple-gated cardiac blood-pool study with the
heart cycle divided in 20 frames. The patient is in normal sinus rhythm and
has a heart rate of 68 bpm. The computer should lock in at what time per
frame for this study? a. 44 milliseconds b. 56 milliseconds c. 0.29 seconds d.
1.5 seconds e. 3.4 seconds.
Answer: A
• Staging, Restaging, Monitoring response to theraphy.
Answer: Breast Cancer CMS coverage
• Initial or Subsequent treatment strategy.
Answer: Lung Cancer CMS coverage
• Which of the following myocardial perfusion patterns suggest that the
patient has myocardial ischemia: a. Abnormal resting Tc-MIBI, Abnormal
Stress Tc-MIBI b. Abnormal resting Tc-MIBI, Normal Stress Tl-201 c.
Normal resting Tc-MIBI, Normal Stress Tl-201 d. Abnormal resting Tl-201,
Abnormal Stress Tc-MIBI e. Normal resting Tl-201, Abnormal Stress
Tl-201.
Answer: E
• Ventricular depolarization occurs just before the ventricles contract,
expelling blood forward into the pulmonary artery and aorta. This action is
represented on the EKG strip by: a. QA complex b. ST complex c. QRS
complex d. RS complex e. PQR complex.
Answer: C
• 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
• Non-Small Cell -More Common -Spreads slowly -Bone, Liver, Brain,
Adrenal Glands Small Cell -Rapid Growth.
Answer: Two major types of Lung Cancer:
• Esophageal Cancer.
Answer: Affects men more than women >65 years Squamous cell and
mucinoid Neck to pelvis imaging
• 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
• Esophageal Cancer coverage.
Answer: Initial Treatment, restaging, response to therapy, recurrance
• 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
• A well counter is set to collect 10,000 counts or to stop after 5 minutes. The
counter stops at 2 minutes. What is the count rate (in cpm)? a. 2,000 b.
5,000 c. 10,000 d. 20,000 e. 200,000.
Answer: B
QUESTIONS WITH ANSWERS GRADED A+
• Mixed Attentuation.
Answer: Malignant Pulmonary Nodules on CT are characterized by:
• 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
• Reed-Sternberg Cells.
Answer: Hodkin's Lymphoma is separated from other Lymphomas by the
presence of:
• Acetylecholinestrearse Inhibitors N-methyl-D-aspartate receptor
antagonists.
Answer: Two types of Alzheimer's mediciation:
• Left Subclavian Vein.
Answer: Lymphatic Drainage for most of the body is via:
• 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
• Erythropoietin.
Answer: Hormone made in kidney's that signals the bone marrow to make
more RBCs:
• 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
• Uncorrected flood field nonuniformities cause ____________ artifacts in
tomographic reconstruction. a. Irregular b. Dropout c. Circular d.
Undulating e. Linear.
Answer: C
• Renal Cancer.
Answer: Affects woman >65 Renal Cell carcinomas mostly Wilm's Tumor
(pediatric) covered under guidlines
• Pancreatic Cancer.
Answer: Most begins in ducts Spreads to peritoneum, liver, lungs Imaging
neck to pelvis Covered under CMS NCD
• 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 d. 32,768 e. 65,535.
Answer: A
• Portal Vein and Hepatic Artery.
Answer: The Liver primarily receives blood from:
• Areas of prolonged retention of Xe-133 in the lungs are associated with: a.
Reduced trapping in the lung b. Obstructive lung disease c. Pulmonary
emboli d. Bacterial pneumonia e. Septal penetration.
Answer: B
,• Gastric Cancer.
Answer: Men >65 Cardia, fundus, corpus, antrum, pylorus Imaging Neck to
Lower Pelvis Five layers; mucosa, submucosa, muscularis, subserosa, serosa
• Cells of Cajal.
Answer: Pacemaker of GI Tract
• A patient is to undergo a multiple-gated cardiac blood-pool study with the
heart cycle divided in 20 frames. The patient is in normal sinus rhythm and
has a heart rate of 68 bpm. The computer should lock in at what time per
frame for this study? a. 44 milliseconds b. 56 milliseconds c. 0.29 seconds d.
1.5 seconds e. 3.4 seconds.
Answer: A
• Staging, Restaging, Monitoring response to theraphy.
Answer: Breast Cancer CMS coverage
• Initial or Subsequent treatment strategy.
Answer: Lung Cancer CMS coverage
• Which of the following myocardial perfusion patterns suggest that the
patient has myocardial ischemia: a. Abnormal resting Tc-MIBI, Abnormal
Stress Tc-MIBI b. Abnormal resting Tc-MIBI, Normal Stress Tl-201 c.
Normal resting Tc-MIBI, Normal Stress Tl-201 d. Abnormal resting Tl-201,
Abnormal Stress Tc-MIBI e. Normal resting Tl-201, Abnormal Stress
Tl-201.
Answer: E
• Ventricular depolarization occurs just before the ventricles contract,
expelling blood forward into the pulmonary artery and aorta. This action is
represented on the EKG strip by: a. QA complex b. ST complex c. QRS
complex d. RS complex e. PQR complex.
Answer: C
• 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
• Non-Small Cell -More Common -Spreads slowly -Bone, Liver, Brain,
Adrenal Glands Small Cell -Rapid Growth.
Answer: Two major types of Lung Cancer:
• Esophageal Cancer.
Answer: Affects men more than women >65 years Squamous cell and
mucinoid Neck to pelvis imaging
• 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
• Esophageal Cancer coverage.
Answer: Initial Treatment, restaging, response to therapy, recurrance
• 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
• A well counter is set to collect 10,000 counts or to stop after 5 minutes. The
counter stops at 2 minutes. What is the count rate (in cpm)? a. 2,000 b.
5,000 c. 10,000 d. 20,000 e. 200,000.
Answer: B
