When Pavlov placed meat powder or other food in the mouths of canine subjects, they began to salivate. The salivation was a(n) ____________
a) unconditioned response
b) unconditioned stimulus
c) conditioned response
d) conditioned stimulus
ANS: A, The salivation was reflexive to the presentation of food and, thus, was an unconditioned response.
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Dr. Nwoambi is an American psychologist who is currently evaluating a new client. Dr. Nwoambi would most likely refer to the _________ to assist her in diagnosing her client's psychological disorder
A) Diagnostic and Statistical Manual of Mental Disorders B) Physician's Desk Reference C) Textbook of Psychological Disorders D) Manual of Psychological and Behavioral Disorders
The internal clock for humans is accurate to within a few minutes for most people
However, it tends to run on a 24-hour clock, and therefore must be reset each day. The brain region that is responsible for resetting the internal clock is the _____. A) fornix B) hippocampus C) suprachiasmatic nucleus D) reticular activating system