In the U.S., the most widely used illegal substance is:

Animal studies have shown that the ______ is influential in weight control and appetite

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

Sensory acuity, motor speed and strength, perception and perceptual-motor integration,

language, attention, abstracting ability, flexibility of thinking, orientation, and memory are all __________ abilities. A) educational B) psychomotor C) affective D) cognitive E) neuropsychological