Certified Surgical Technologist (CST) Practice Exam

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Study for the Certified Surgical Technologist Exam. Prepare with multiple choice questions, hints, and explanations. Enhance your understanding and boost your confidence for acing the exam!

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What are the three factors for reducing ionizing radiation exposure?

Type of procedure, equipment, radiation dose
Time, shielding, distance
Exposure, frequency, concentration
Site, age, Gender

The correct answer is: Time, shielding, distance

The three factors for reducing ionizing radiation exposure are time, shielding, and distance. Minimizing the time spent near radiation sources reduces overall exposure, as radiation intensity is cumulative over time. Utilizing shielding, such as lead aprons or barriers, effectively absorbs or deflects radiation, protecting both the patient and healthcare workers. Lastly, maintaining an appropriate distance from the source of radiation leverages the inverse square law, which states that as the distance from a radiation source increases, the intensity of exposure decreases significantly. By focusing on these three principles—time, shielding, and distance—healthcare professionals can minimize their radiation risk effectively while maintaining necessary diagnostic and therapeutic procedures.