tailieunhanh - Behavioral Sciences

You are conducting a clinical experiment on the effects of psychosocial stress on immunocompetence using several measures, such as lymphocyte proliferation to mitogen stimulation and activity of natural killer cells. One group has been exposed to acute stress, and a second group to chronic stress, over a year or more. | Prepare Higher Behavioral Sciences 500 USMLE-type questions answers explanations High-yield facts reinforce key concepts Targets what you really need to know Student-tested and reviewed Michael H. Ebert High-Yield Facts Anxiety Disorders Among the most common psychiatric disorders affecting upward of 15 of the population Phobic disorders affect 8 to 10 Generalized anxiety disorder found in 5 Panic disorder found in 1 to 3 Obsessive-compulsive disorder found in 1 to 3 Attention Deficit Hyperactivity Disorder ADHD Inability to maintain attention poor impulse control low frustration tolerance excessive activity characterized by the following Occurs in 5 to 12 of school age boys M F 6 1 50 have learning disorders Extends into adulthood in 33 of cases Twin studies show strong genetic influence Rx behavior therapy and or methylphenidate or dextroamphetamine Bipolar Affective Disorder Lifetime prevalence rate of to Equally distributed among males and females Two subtypes Bipolar I recurrent major depressive episodes with manic episodes and Bipolar II recurrent major depressive episodes with at least one hypomanic episode Characteristic symptoms are labile affect with predominant euphoria expansiveness grandiosity racing thoughts flight of ideas mood-congruent delusions loosening of associations increased motor activity and rate of speech increased spending pressured speech Cardiovascular Disease Reduced morbidity mortality rates over the past 25 years 40 of reduction is the result of medical developments drugs technology new Dx and Rx surgery transplants training I Copyright 2002 The McGraw-Hill Companies. Click Here for Terms of Use. 2 Behavioral Sciences 50 of reduction is attributed to awareness of risk factors individual behavior and lifestyle changes to reduce risks 30 is attributed to exercise less fat intake lower cholesterol and better diet 24 to reduced smoking Classical Conditioning Pairing a natural reaction to an internal or external .

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