The ability to maintain a certain degree of force over time is ________.

Each of the following appears radiopaque except one. Which one is the exception?

A) Bone B) Dentin C) Pulp D) Enamel

Thirteen patients were discharged from the medical service on August 15. The days of stay for each patient was 17, 3, 4, 25, 8, 7, 13, 10, 5, 11, 9, 21, and 1. The median days stayed for these patients was:

A) 9.0 B) 11.1 C) 10.3 D) 9.8