Creatinine clearance is determined through the use of:

Anterior periapical radiographs should be positioned in the oral cavity with the long dimension ________, and posterior periapical radiographs should be positioned in the oral cavity with the long dimension ________

A) vertical, horizontal B) horizontal, vertical C) horizontal, horizontal D) vertical, vertical

____ search tactics include actions that do not take place in the search area itself.

A. Direct B. Active C. Indirect D. Hasty