X-ray Production

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MULTIPLE CHOICE 1. Projectile electrons travel from _____. a. anode to cathode b. cathode to anode c. target to patient d. inner shell to outer shell ANS: B Projectile electrons travel from fil... ament to target. DIF: Moderate REF: page 124 OBJ: Discuss the interactions between projectile electrons and the x-ray tube target. 2. During an exposure, most of the _____ energy of the projectile electrons is converted to _____. a. kinetic, x-rays b. x-ray, kinetic c. kinetic, heat d. heat, kinetic ANS: C During an exposure, most of the kinetic energy of the projectile electrons is converted to heat. DIF: Moderate REF: page 125 OBJ: Discuss the interactions between projectile electrons and the x-ray tube target. 3. At the target, the projectile electrons interact with _____. a. outer-shell electrons b. inner-shell electrons c. atomic nuclei d. both A and B ANS: D The projectile electrons interact with both outer-shell and inner-shell electrons in the target. DIF: Moderate REF: page 125 OBJ: Discuss the interactions between projectile electrons and the x-ray tube target. 4. The efficiency of x-ray production is _____ the tube current. a. indirectly proportional to b. directly proportional to c. not affected by d. strongly affected by ANS: C The efficiency of x-ray production is unrelated to tube current. [Show More]

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