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When admitted to the emergency room, John was holding his right hand, which had a deep puncture hole in its palm. He explained that he had fallen on a nail while exploring a barn. John was given an
antitetanus shot to prevent neural complications. Tetanus bacteria fester in deep, dark wounds, but how do their toxins travel in neural tissue?
Tetanus grows in a wound and secretes a toxin that invades systemically and causes muscle spasms. The initial symptom is cramping and twitching of muscles around a wound. [ Complications include fractures, bowel impaction, intramuscular hematoma, muscle ruptures, and pulmonary, renal, and cardiac problems. ]
Expert answered|migzptz|Points 3718|
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Asked 12/6/2011 10:17:55 AM
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Jim Fitch decided that his physique left much to be desired, so he joined a local health club and began to "pump iron" three times weekly. After three months of training, during which he was able to lift increasingly heavier weights, he noticed that his arm and chest muscles were substantially larger. Explain the structural and functional basis of these changes.
Weegy: Weight training provides us with exercises that take skeletal muscles through their normal range of motion. [ So, structurally, when a muscle is worked against a resistance it is not accustomed to, it will begin to adapt to the resistance, and neuromuscular facilitation will also occur. There are two theories I am familiar with that deal with muscular growth. The first is hypertrophy, where individual muscle fibers become bigger, ... (More)
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Asked 12/2/2011 9:21:55 AM
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Asked 12/2/2011 9:39:35 AM
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Name four criteria used in naming muscles, and provide an example (other than those used in the text) that illustrates each criterion
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Asked 12/2/2011 9:55:37 AM
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Name four criteria used in naming muscles, and provide an example (other than those used in the text) that illustrates each criterion
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Asked 12/3/2011 2:31:53 PM
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