1. List the mechanisms of brain injury: 1. 2. 3. 4. 5. 6. 7. 2. The nervous system is responsible for the body's ability to: a. interact with the environment b. Regulate activities involving internal organs c. It drives the other systems in the body d. Complex structure that transmits signals, both electrically and chemically between the body's many organs and tissues and the brain. e. All of the above 3. A 23-year-old female begins having problems with tiredness, weakness, and visual changes. Her diagnosis is multiple sclerosis (MS). The pathogenic model of multiple sclerosis includes which of the following? A) depletion of dopamine in the central nervous system B) demyelination of nerve fibers in the CNS C) the development of neurofibril webs in the CNS D) reduced amounts of acetylcholine at the neuromuscular junction 4. Dopamine replacement is the treatment for wvhich of the following disorders? 15 A) Huntington's disease B) myasthenia gravis C) Parkinson's disease D) multiple sclerosis 5. ) A 65-year-old male is diagnosed with multiple myeloma. He complains of severe pain and asks the nurse what is causing his pain. The nurse tells the patient that the pain is caused from which of the following? A) neuropathies B) destruction of bone tissue C) tissue hypoxia D) accumulation of toxic proteins