Because elevation, slope, and orientation are fairly stable, __________ tends to be the most predictable environmental element of a strategic plan

___________ is the study of movement of drugs through the body (what the body does to the drug)

A. Pharmacokinetics B. Pharmacodynamics

In emergency situations, patients and their families are under a great deal of ________; it is important to understand that people react differently in these situations. 

Fill in the blank(s) with the appropriate word(s).