The more that numbers in a set of numbers differ from each other, the larger the

Your patient shows signs of restlessness, agitation, and anxiety. One of the first disorders to test for would be Graves' disease, so you order tests of

A. dopamine levels. B. blood sugar levels. C. thyroid function. D. cerebral blood flow.

If you looked at a picture of a dog and a cat, when would you judge the cat to be further away than the dog?

a. When the cat looks clear and distinct, while the dog looks blurry. b. When the cat looks large and the dog looks small. c. When the cat is partially obscured by the dog. d. When retinal images of the cat differ greatly, while retinal images of the dog are nearly identical.