A need that energizes and directs behavior towards some goal is known as a _______

An assumption of reductionism that makes it a poor scientific practice is that:

a) Observations can be separated from the assumptions of the scientists making the observations. b) Knowing simple phenomena results in explanations for complex phenomena. c) Basic elements of complex phenomena exist in most theories. d) Processes may be studied without regard to underlying causes.

The ________ route of drug administration has the advantage of bypassing the blood-brain barrier

a. oral b. intramuscular c. topical d. intracerebroventricular