What is the primary purpose of radiation protection? A) To increase radiation exposure B) To minimize exposure to ionizing radiation C) To improve imaging quality D) To enhance treatment efficacy Which unit is used to measure the dose equivalent of radiation? A) Gray (Gy) B) Sievert (Sv) C) Becquerel (Bq) D) Roentgen (R) What is … Read more
What is the unit of radiation dose equivalent? A) Gray (Gy) B) Sievert (Sv) C) Becquerel (Bq) D) Roentgen (R) Which of the following describes the decay of a radioactive substance? A) Exponential decay B) Linear decay C) Quadratic decay D) Logarithmic decay What type of radiation consists of helium nuclei? A) Beta radiation B) … Read more
What is the primary interaction of X-rays with matter? A) Photoelectric effect B) Compton scattering C) Pair production D) Rayleigh scattering Which of the following interactions is most likely to occur at low energies? A) Compton scattering B) Pair production C) Photoelectric effect D) Photon transmission What happens during Compton scattering? A) An incident photon … Read more
What is radiation carcinogenesis? A) The process by which radiation protects against cancer B) The effect of radiation on the immune system C) The process by which radiation induces cancer D) The study of cancer therapies using radiation Which type of radiation is most commonly associated with carcinogenesis? A) Alpha radiation B) Ionizing radiation C) … Read more
What does SPECT stand for? A) Single Photon Emission Computed Tomography B) Single Photon Emission Computed Topography C) Simple Photon Emission Computed Tomography D) Standardized Photon Emission Computed Tomography What does PET stand for? A) Positron Emission Topography B) Positron Emission Tomography C) Positron Emission Technology D) Positron Emission Treatment Which type of radiation is … Read more
What is the primary purpose of a PET scan? A) Diagnose fractures B) Assess metabolic activity C) Evaluate blood flow D) Measure organ size Which of the following radiotracers is commonly used in PET scans for cancer detection? A) Fluorodeoxyglucose (FDG) B) Iodine-123 C) Technetium-99m D) Gallium-68 How does a PET scan differ from a … Read more
What is the primary purpose of Personal Protective Equipment (PPE)? A) Enhance comfort B) Protect the wearer from hazards C) Improve appearance D) Increase work efficiency Which type of PPE is primarily used to protect the eyes? A) Gloves B) Safety goggles C) Respirator D) Hard hat What type of PPE should be worn when … Read more
What is the most common type of fracture in pediatric patients? A) Greenstick fracture B) Clavicle fracture C) Spiral fracture D) Comminuted fracture Which radiographic sign indicates a possible scaphoid fracture in children? A) Snuffbox tenderness B) Elbow swelling C) Anterior humeral line D) Widening of the wrist joint In pediatric patients, what does a … Read more
What is the most common imaging modality used to evaluate pediatric head trauma? A) MRI B) CT scan C) X-ray D) Ultrasound Which imaging technique is most effective for diagnosing developmental dysplasia of the hip in infants? A) CT scan B) Ultrasound C) X-ray D) MRI What is the recommended imaging study for suspected appendicitis … Read more
What is the preferred imaging modality for evaluating pediatric head trauma? A) CT scan B) MRI C) X-ray D) Ultrasound Which imaging technique is most commonly used for diagnosing hip dysplasia in infants? A) CT scan B) Ultrasound C) X-ray D) MRI What is the recommended imaging modality for detecting appendicitis in children? A) X-ray … Read more