Review Questions Chapter 16 Answer Key

Review Questions Chapter 16 Answer Key - Review Questions...

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Review Questions Chapter 16 Answer Key 1. A surgical approach to reducing excessive body fat is liposuction: the removal of adipose tissue. Over time, however, body adiposity typically returns to precisely the same value as before surgery. Why does liposuction not work? Contrast this with the effect of gastric surgery to treat obesity. Liposuction removes fat cells. Fat cells make leptin, thus liposuction results in lower leptin levels. Reduced leptin levels leads to increased appetite and decreased metabolism, leading to weight gain and restored body fat. Gastric surgery involves removal of ghrelin-secreting cells of the stomach. This causes a loss of appetite and is therefore a more effective treatment of obesity. 2. Bilateral lesions of the lateral hypothalamus lead to reduced feeding behavior. Name three types of neuron, distinguished by their neurotransmitter molecules that contribute to this syndrome. Bilateral lesions of the lateral hypothalamus cause anorexia (reduced feeding
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This homework help was uploaded on 04/03/2008 for the course CELL BIO & 245 taught by Professor Schjott during the Spring '08 term at Rutgers.

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Review Questions Chapter 16 Answer Key - Review Questions...

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