The tibia is the most commonly fractured long bone in the body.

Continued exposure to radiation over prolonged periods may result in each of the following EXCEPT one. Which one is the EXCEPTION?

a. It may alter the ability of genetic cells to reproduce normally. b. It may affect the ability of genetic cells to repair damage. c. It may produce offspring with increased resistance to radiation exposure. d. It may result in cumulative chromosome damage.

Specific area shielding may be selectively used during some x-ray procedures to protect which of the following?

1. Lens of the eye 2. Breast 3. Upper extremities 4. Lower extremities a. 1 and 2 only b. 1 and 3 only c. 3 and 4 only d. 1, 2, 3, and 4