100+ Free CAMRT Nuclear Medicine Practice Questions

Pass your CAMRT Nuclear Medicine Technology Certification Exam exam on the first try — instant access, no signup required.

✓ No registration✓ No credit card✓ No hidden fees✓ Start practicing immediately

100+ Questions

100% Free

Loading practice questions...

Same family resources

Explore More Canadian Medical Imaging Exams (CAMRT)

Continue into nearby exams from the same family. Each card keeps practice questions, study guides, flashcards, videos, and articles in one place.

2026 Statistics

Key Facts: CAMRT Nuclear Medicine Exam

~185 questions

Approximate number of multiple-choice items on the CAMRT certification exam

CAMRT General Preparation Guide for the Certification Exam

4 hours

Time window candidates have to complete the computer-based exam

CAMRT Exam Preparation Resources

Yardstick platform

Online platform used for both the practice exam and the actual certification exam

CAMRT Practice Exams page

Criterion-referenced

Pass standard set by the CAMRT Exam Validation Committee, with no fixed advance cut score

CAMRT Passing Requirements

2 item types

Independent questions and situation-based question sets built on clinical scenarios

CAMRT Exam Blueprints

4 disciplines

CAMRT certifies radiological technology, nuclear medicine, magnetic resonance and radiation therapy separately

CAMRT Certification

Accreditation Canada

The exam is based on the validated National Competency Profile for entry-level MRTs

CAMRT Certification

100

Free original practice questions in this bank

OpenExamPrep

The CAMRT Nuclear Medicine Technology Certification Exam is the national entry-to-practice exam for nuclear medicine technologists in Canada, administered by the Canadian Association of Medical Radiation Technologists. It is a computer-based test of approximately 185 multiple-choice questions delivered through the Yardstick platform within a 4-hour window, blending independent items with situation-based question sets. The pass standard is criterion-referenced and set by the CAMRT Exam Validation Committee, so there is no fixed percentage published in advance. The exam covers radiopharmacy, radiation physics and safety, instrumentation (gamma camera, SPECT, PET), imaging procedures, radionuclide therapy, and patient care. This 100-question bank provides original practice across those competency areas, distinct from the CAMRT Radiation Therapy exam.

Sample CAMRT Nuclear Medicine Practice Questions

Try these sample questions to test your CAMRT Nuclear Medicine exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What is the physical half-life of technetium-99m, the most widely used radionuclide in nuclear medicine?

A.Approximately 6 hours

B.Approximately 13 hours

C.Approximately 66 hours

D.Approximately 8 days

Explanation: Technetium-99m has a physical half-life of about 6 hours, which is long enough to complete imaging yet short enough to limit patient dose. Its 140 keV gamma photon is ideal for gamma camera detection.

2The Mo-99/Tc-99m generator produces Tc-99m through which process?

A.Positron emission from Mo-99

B.Beta-minus decay of Mo-99 to Tc-99m

C.Electron capture by Mo-99

D.Alpha decay of Mo-99

Explanation: Molybdenum-99 decays by beta-minus emission, and a large fraction of those decays populate the metastable Tc-99m state. The daughter Tc-99m is then eluted from the column as sodium pertechnetate.

3What is the principal gamma photon energy of technetium-99m used for imaging?

A.140 keV

B.364 keV

C.511 keV

D.159 keV

Explanation: Tc-99m emits a 140 keV gamma photon, which is well matched to NaI(Tl) gamma camera detectors and standard low-energy collimators. This energy gives a good balance of tissue penetration and detection efficiency.

4Quality control of a Mo-99/Tc-99m generator eluate includes testing for molybdenum-99 breakthrough. What is the regulatory limit commonly applied?

A.0.15 kBq Mo-99 per MBq Tc-99m

B.1.5 kBq Mo-99 per MBq Tc-99m

C.15 kBq Mo-99 per MBq Tc-99m

D.150 kBq Mo-99 per MBq Tc-99m

Explanation: The accepted limit for molybdenum-99 breakthrough is 0.15 kBq of Mo-99 per MBq of Tc-99m (0.15 microcurie per millicurie) at the time of administration. Exceeding this delivers unnecessary dose from the long-lived parent.

5Aluminium ion breakthrough in a Tc-99m generator eluate is most commonly detected using which method?

A.Aluminium indicator test strip (colorimetric)

B.Thin-layer chromatography

C.Dose calibrator measurement

D.Gamma spectroscopy

Explanation: Aluminium breakthrough is checked with a colorimetric indicator paper that changes colour in proportion to aluminium concentration, compared against a standard. Excess aluminium can interfere with labelling and cause liver and lung uptake of colloids.

6Radiochemical purity testing of a Tc-99m radiopharmaceutical primarily detects which impurities?

A.Free pertechnetate and hydrolyzed-reduced technetium

B.Molybdenum-99 contamination

C.Aluminium ion concentration

D.Bacterial endotoxins

Explanation: Radiochemical purity (usually by thin-layer chromatography) separates the labelled compound from free Tc-99m pertechnetate and from hydrolyzed-reduced (colloidal) technetium. High levels of either impurity cause unexpected biodistribution and poor image quality.

7Which reducing agent is used in most Tc-99m radiopharmaceutical kits to allow technetium to bind to the ligand?

A.Stannous (tin) ion

B.Sodium iodide

C.Ferric chloride

D.Sodium ascorbate

Explanation: Pertechnetate (Tc-99m in the +7 state) must be reduced before it can complex with most ligands. Stannous chloride (Sn2+) is the standard reducing agent included in cold kits for this purpose.

8A high level of free pertechnetate in a Tc-99m bone agent preparation would most likely cause which finding on the bone scan?

A.Stomach, thyroid and salivary gland activity

B.Increased renal cortical uptake

C.Diffuse lung uptake

D.Liver and spleen uptake

Explanation: Free pertechnetate distributes like iodide-mimicking anions, concentrating in the thyroid, salivary glands and gastric mucosa. Seeing these structures on a bone scan signals poor radiochemical purity.

9Which radiopharmaceutical is most commonly used for skeletal (bone) imaging?

A.Tc-99m MDP (methylene diphosphonate)

B.Tc-99m MAA

C.Tc-99m sestamibi

D.Tc-99m DTPA

Explanation: Tc-99m methylene diphosphonate (MDP) and the related HDP adsorb onto the hydroxyapatite crystal of bone in proportion to osteoblastic activity and blood flow. It is the standard agent for whole-body bone scanning.

10Tc-99m macroaggregated albumin (MAA) is used for lung perfusion imaging. Approximately what particle size range allows it to lodge in the pulmonary capillaries?

A.10 to 100 micrometers

B.0.1 to 1 micrometer

C.100 to 500 micrometers

D.1 to 5 nanometers

Explanation: MAA particles of roughly 10 to 100 micrometers are large enough to be trapped by mechanical microembolization in pulmonary arterioles and capillaries, which are about 7 to 10 micrometers. This produces the perfusion image.

About the CAMRT Nuclear Medicine Exam

The CAMRT Nuclear Medicine Technology Certification Exam is the national entry-to-practice examination for nuclear medicine technologists in Canada. It is built from the National Competency Profile for Entry-Level Medical Radiation Technologists and the discipline-specific exam blueprint published by CAMRT. The computer-based exam uses multiple-choice items in two formats, independent questions and situation-based question sets tied to a clinical scenario, and covers radiopharmacy and radiopharmaceuticals, radiation physics and safety, instrumentation and quality control, imaging procedures across all body systems, radionuclide therapy, and patient care. Passing CAMRT certification is the basis for provincial licensure to practise as a nuclear medicine technologist, for example through the CMRITO in Ontario. The exam is distinct from the CAMRT Radiation Therapy exam, which assesses a different discipline and competency profile.

Assessment

Approximately 185 multiple-choice questions combining independent (single best answer) items and situation-based question sets built around clinical scenarios. The exam is organized by competency category and cognitive level (knowledge, application and critical thinking).

Time Limit

Candidates have a 4-hour window to complete the computer-based examination.

Passing Score

Criterion-referenced. The CAMRT Exam Validation Committee establishes the number of items required to pass each test form; a candidate's correct answers are compared against that standard. No fixed percentage is published in advance, and scaled scores reported afterward do not change the pass or fail decision.

Exam Fee

Approximately CAD $585 for CAMRT members (higher for non-members), plus an optional online practice exam of about CAD $75. Fees are reviewed annually; confirm current amounts with CAMRT. (Canadian Association of Medical Radiation Technologists (CAMRT), delivered online via the Yardstick platform.)

CAMRT Nuclear Medicine Exam Content Outline

20%

Radiopharmacy and Radiopharmaceuticals

Radionuclide production and the Mo-99/Tc-99m generator, eluate and radiopharmaceutical preparation, kit labelling, radiochemical purity and other quality control, normal biodistribution and causes of altered biodistribution for common agents.

18%

Radiation Physics and Safety

Atomic structure and decay modes, half-life and activity calculations, interaction of radiation with matter, internal and external dosimetry, ALARA, shielding, contamination control, spill response and regulatory limits.

18%

Instrumentation and Quality Control

Scintillation detection, gamma camera and collimator design, energy and spatial resolution, SPECT and SPECT/CT, PET and PET/CT physics including coincidence detection, dose calibrators, survey meters and routine quality-control tests.

26%

Imaging Procedures

Protocols, radiopharmaceuticals, patient preparation and interpretation for bone, cardiac (myocardial perfusion, MUGA), thyroid and parathyroid, renal, hepatobiliary, lung ventilation/perfusion, gastrointestinal, brain, infection/inflammation and oncology (FDG PET) studies.

Radionuclide Therapy

Iodine-131 therapy for hyperthyroidism and thyroid cancer, radium-223, lutetium-177 PSMA and DOTATATE, yttrium-90 microspheres, dosing, patient release criteria and therapy-specific safety precautions.

10%

Patient Care, Anatomy and Physiology

Patient assessment and communication, infection control and aseptic technique, pharmacology and adverse reactions, sectional and functional anatomy and physiology relevant to imaging, and professional, ethical and legal practice.

How to Pass the CAMRT Nuclear Medicine Exam

What You Need to Know

Passing score: Criterion-referenced. The CAMRT Exam Validation Committee establishes the number of items required to pass each test form; a candidate's correct answers are compared against that standard. No fixed percentage is published in advance, and scaled scores reported afterward do not change the pass or fail decision.
Assessment: Approximately 185 multiple-choice questions combining independent (single best answer) items and situation-based question sets built around clinical scenarios. The exam is organized by competency category and cognitive level (knowledge, application and critical thinking).
Time limit: Candidates have a 4-hour window to complete the computer-based examination.
Exam fee: Approximately CAD $585 for CAMRT members (higher for non-members), plus an optional online practice exam of about CAD $75. Fees are reviewed annually; confirm current amounts with CAMRT.

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

CAMRT Nuclear Medicine Study Tips from Top Performers

1Download the CAMRT Nuclear Medicine exam blueprint and the National Competency Profile, then map your study time to the competency-category weightings rather than studying topics evenly.

2Drill activity and half-life calculations until they are automatic; questions often combine decay, dose and timing in a single multi-step problem.

3Learn the normal biodistribution of each common radiopharmaceutical first, because many questions are really about recognizing altered biodistribution and artifacts.

4Use the optional CAMRT practice exam on the Yardstick platform so the on-screen timer, navigation and situation-based question sets feel familiar on exam day.

5Group imaging procedures by organ system and memorize the agent, mechanism of localization, patient prep and key QC for each before tackling interpretation questions.

6Practise radiation-safety scenarios (spills, patient release after I-131, ALARA decisions) as applied problems, since the exam tests judgment, not just recall of limits.

Frequently Asked Questions

How many questions are on the CAMRT Nuclear Medicine certification exam?

The exam contains approximately 185 multiple-choice questions, combining independent single-best-answer items with situation-based question sets built around clinical scenarios. Candidates have a 4-hour window to complete it.

What format is the CAMRT Nuclear Medicine exam?

It is a computer-based, multiple-choice exam delivered online through the Yardstick platform. The same platform is used for the optional CAMRT practice exam, so candidates can become familiar with the interface beforehand.

What is the passing score for the CAMRT certification exam?

The pass standard is criterion-referenced and set by the CAMRT Exam Validation Committee for each test form. There is no fixed percentage published in advance, and scaled scores reported afterward do not change the pass or fail decision.

What does the CAMRT Nuclear Medicine exam cover?

It covers radiopharmacy and radiopharmaceuticals, radiation physics and safety, instrumentation and quality control, imaging procedures across body systems, radionuclide therapy, and patient care, based on the National Competency Profile and the published exam blueprint.

Who is eligible to write the CAMRT Nuclear Medicine exam?

Graduates of a Canadian nuclear medicine technology program accredited through Accreditation Canada, or internationally educated applicants assessed as equivalent, may apply through CAMRT to sit the certification exam.

Is the CAMRT Nuclear Medicine exam the same as the Radiation Therapy exam?

No. CAMRT administers separate discipline-specific exams. The Nuclear Medicine exam assesses nuclear medicine technology competencies, while the Radiation Therapy exam covers a different discipline and competency profile.