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During a routine visit to the clinic,a patient takes off his shoes and shows the nurse "this awful sore that won't heal." On examination,the nurse notes on the left great toe a 3-cm round ulcer with a pale ischemic base,well-defined edges,and no drainage.The nurse will assess for other signs and symptoms of:
Seligman
An American psychologist best known for his work on learned helplessness, positive psychology, and well-being.
Conditioned Stimulus
A previously neutral stimulus that, after association with an unconditioned stimulus, elicits a conditioned response.
Classical Conditioning
A training mechanism in which two stimuli are frequently paired together; over time, the response that was originally caused by the second stimulus is elicited by the first stimulus.
Unconditioned Response
A reflexive, instinctual reaction to an unconditioned stimulus, not learned through previous experience.
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