What is the primary cause of ischemic stroke? A) Hemorrhage B) Thrombosis C) Tumor D) Infection Which symptom is commonly associated with a stroke? A) Sudden confusion B) Chronic headache C) Blurred vision over days D) Persistent cough Which scale is commonly used to assess stroke severity? A) Mini-Mental State Examination B) NIH Stroke Scale … Read more
What is the most common type of fracture in children? a) Comminuted fracture b) Greenstick fracture c) Spiral fracture d) Compound fracture Answer: b) Greenstick fracture Which of the following is a characteristic feature of osteoporosis? a) Increased bone density b) Brittle bones with increased risk of fracture c) Enlarged joints d) Joint swelling Answer: … Read more
What is the primary goal of emergency radiology? a) To provide advanced imaging for research b) To deliver immediate diagnostic information for acute conditions c) To assess chronic diseases d) To plan elective surgeries Answer: b) To deliver immediate diagnostic information for acute conditions Which imaging modality is most commonly used in emergency departments for … Read more
What is the primary regulatory body responsible for radiation protection in the United States? a) FDA b) NRC c) EPA d) OSHA Answer: b) NRC What is the maximum permissible dose limit for radiation workers per year according to the NRC? a) 1 mSv b) 20 mSv c) 50 mSv d) 100 mSv Answer: c) … Read more
What does CT stand for in medical imaging? a) Computed Tomography b) Computerized Treatment c) Computed Technology d) Conventional Tomography Answer: a) Computed Tomography What type of imaging technique does a CT scan utilize? a) Ultrasound waves b) Magnetic fields c) X-rays d) Gamma rays Answer: c) X-rays Which of the following is a primary … Read more
What is the primary purpose of contrast agents in medical imaging? a) To reduce radiation exposure b) To enhance the visibility of internal structures c) To provide sedation d) To administer medications Answer: b) To enhance the visibility of internal structures Which type of contrast agent is most commonly used for X-ray and CT imaging? … Read more
What is the primary mechanism by which radiation causes cellular damage? a) DNA repair b) Ionization of atoms c) Protein synthesis d) Mitochondrial function Answer: b) Ionization of atoms Which type of radiation is most damaging to cellular DNA? a) Alpha particles b) Beta particles c) Gamma rays d) X-rays Answer: a) Alpha particles What … Read more
What is the primary purpose of catheter insertion? a) To deliver oxygen b) To drain fluids from the body c) To measure body temperature d) To provide nutrition Answer: b) To drain fluids from the body Which type of catheter is most commonly used for bladder drainage? a) Central venous catheter b) Foley catheter c) … Read more
What is the primary purpose of a biopsy? a) To reduce tumor size b) To examine tissue for disease c) To perform surgery d) To measure blood pressure Answer: b) To examine tissue for disease Which type of biopsy involves the removal of a small piece of tissue using a needle? a) Excisional biopsy b) … Read more
What is the primary purpose of an angiography? a) To measure blood pressure b) To detect heart murmurs c) To visualize blood vessels d) To assess lung function Answer: c) To visualize blood vessels Which type of contrast medium is commonly used in angiography? a) Barium sulfate b) Iodine-based contrast c) Gadolinium d) Carbon dioxide … Read more