Radiography Knowledge Quiz Challenge yourself with this quiz designed to test your understanding of radiographic principles, imaging techniques, and clinical applications. Whether you're a student, radiologic technologist, or preparing for exams, this quiz covers essential concepts in diagnostic imaging, X-ray physics, and safety protocols. Select the most appropriate answer for each question and click "Submit All" to view your score and performance summary. 1. Insulin in Pancreas is secreted by a. Alpha cell b. Beta cell c. Gamma cell d. Delta cell 2. Which of the following is the constituents of Contrast Media ? a. I b. Ag c. Cl d. K 3. Photosensitive material of Radiography is a. Silver halide b. Copper Sulphate c. Potassium Chloride d. Ferric Chloride 4. Unit of X-ray is a. Gray b. Roentgen c. Rad d. All 5. Radium was discovered by a. Marie b. Pierre Curie c. Marie and Pierre Curie d. Rutherford 6.What is the SI unit radiation absorbed dose? a. Roentgen b. Rad c. Curie d. Gray 7. X-ray was discovered by a. W.C. Roentgen b. Sir Issac Newton c. Albert Einstein d. Madam Curie 8. Ultrasound is a. equal to 20000 hertz b. less than 20000 hertz c. greater than 20000 hertz d. zero 9. Which metal is used for radiation protection? a. Silver b. copper c. Lead d. rubber 10. X-ray was invented on a. 9th Nov 1795 b. 9th Nov 1995 c. 9th Nov 1895 d. 8th Nov 1895 11. Atomic no. and Atomic wt. of Iodine are a. 51 and 127 b. 53 and 125 c. 53 and 129 d. 53 and 127 12. Biscodyl (Dulcolax) is used as a. Antacid b. Laxatives c. Antipyretic d. Analgesic 13. The reasons for using Barium Sulphate for GI studies are a. Non absorbable b. Inert to tissue c. low at. Wt. d. more the one 14. Angiography is study of a. Kindey b. Blood Vessels c. Nerves d. Blood 15. Mammography is the study of a. Chest b. Abdomen c. Breast d. Pelvis Submit All