Focusing on ________ complicates the identification of psychological disorders in older people.

Which of these might be an example of a perceptual reasoning item on the Wechsler intelligence tests?

a) repeating a series of digits b) defining a word such as lunch c) adding a series of orally presented numbers d) using blocks to make a design like one shown in a picture

The most habit-forming street drug available is ______

a. 'srooms c. purple drank b. crack d. angel dust