u930973931_answers

30 min Score: 0 Attempted: 0/30 Subscribe 1. What is the most common radiologic feature of pneumonia? (A) Ground-glass opacities (B) Consolidation (C) Pleural effusion (D) Cavitation 2. In which condition is the “air bronchogram” sign commonly seen? (A) Pulmonary embolism (B) Lobar pneumonia (C) Tuberculosis (D) Lung cancer 3. Which imaging modality is the … Read more

30 min Score: 0 Attempted: 0/30 Subscribe 1. Which structure is located anterior to the trachea in the mediastinum? (A) Esophagus (B) Thymus gland (C) Aorta (D) Heart 2. What is the primary landmark for locating the carina on a chest X-ray? (A) T5-T6 intervertebral space (B) T3-T4 intervertebral space (C) T7-T8 intervertebral space (D) … Read more

  30 min Score: 0 Attempted: 0/30 Subscribe 1. What is the primary use of technetium-99m in medical imaging? (A) Single photon emission computed tomography (SPECT) (B) Positron emission tomography (PET) (C) Magnetic resonance imaging (MRI) (D) X-ray imaging 2. Which radioisotope is commonly used for thyroid imaging? (A) Iodine-123 (B) Carbon-14 (C) Strontium-89 (D) … Read more

30 min Score: 0 Attempted: 0/30 Subscribe 1. Which of the following imaging techniques uses ionizing radiation to create images of the body? (A) Ultrasound (B) X-ray (C) MRI (D) CT scan 2. What is the primary purpose of a collimator in radiography? (A) To increase radiation exposure (B) To limit the area of exposure … Read more

What is the primary source of radiation used in conventional radiography? A) X-rays B) Gamma rays C) Alpha particles D) Beta particles What is the role of the radiographic film in image formation? A) To emit radiation B) To capture the X-ray image C) To amplify the radiation D) To filter the radiation Which of … Read more

30 min Score: 0 Attempted: 0/30 Subscribe 1. What is radiobiology primarily concerned with? (A) The study of radioactive materials (B) The effects of radiation on living organisms (C) The development of radiation therapies (D) The physics of radiation 2. Which type of radiation has the highest biological effectiveness? (A) Gamma rays (B) Alpha particles … Read more

30 min Score: 0 Attempted: 0/30 Subscribe 1. What is the primary mechanism of radiation-induced tissue damage? (A) DNA damage (B) Thermal damage (C) Chemical changes (D) Cellular dehydration 2. Which type of radiation is most effective at causing direct DNA damage? (A) X-rays (B) Gamma rays (C) Beta particles (D) Alpha particles 3. What … Read more

30 min Score: 0 Attempted: 0/30 Subscribe 1. What type of radiation consists of positively charged particles emitted from the nucleus? (A) Alpha radiation (B) Beta radiation (C) Gamma radiation (D) X-rays 2. Which type of radiation is known for its ability to penetrate tissues deeply? (A) Alpha radiation (B) Neutron radiation (C) Beta radiation … Read more

30 min Score: 0 Attempted: 0/30 Subscribe 1. What is the primary goal of radiation safety principles? (A) To increase exposure levels (B) To protect individuals from harmful radiation effects (C) To enhance imaging quality (D) To improve equipment efficiency 2. Which principle involves minimizing the time spent near a radiation source? (A) Distance (B) … Read more

30 min Score: 0 Attempted: 0/30 Subscribe 1. What is the primary purpose of radiation protection? (A) To increase radiation exposure (B) To improve imaging quality (C) To minimize exposure to ionizing radiation (D) To enhance treatment efficacy 2. Which unit is used to measure the dose equivalent of radiation? (A) Gray (Gy) (B) Roentgen … Read more