Multiple sclerosis is a condition in which activated immune cells disrupt the outer covering (mylein) of neurons.
Involvement of immune system: The immune cells CD8+ T cells and CD20+ B cells produce an unknown soluble factor that creates a toxic environment which activates a population of macrophages like cells in the central nervous system known as microglia which causes demyelination of the neurons. Disruption of blood brain barrier allows the movement of lymphocytes resulting into demyelination.
Involvement of nervous system: The affected cells are neurons which are considered as unit of the nervous system. Demylenatiin of neurons results in a lot of symptoms.
QUESTION 2 Multiple sclerosis is one disease that encompasses both the nervous and immune systems. Explain...
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QUESTION 10 Magnesium hydroxide, aluminum hydroxide and calcium hydroxide are the active ingredients in many antacids. How do antacids work to relieve acid indigestion caused by stomach HCI? To answer this question, you will need to complete the neutralization equations for each base when they react with HCl, include both the original equation and the equation after dissociating the ions, remember that water doesn't dissociate! I know it is annoying but you must use superscripts and subscripts here as well...
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Preferably question 13 but both would be a bonus. QUESTION 12 2 In an Analysis of Variance, what is a factor? a. a dependent variable b. a treatment mean c. a treatment total d. an independent variable QUESTION 13 3 Are larger samples more or less likely to produce a bigger t-value and to produce significant results? Explain why TTTT Paragraph Arial 3 (12pt) E. E T. XDOQ [ 3 . Pathep Words: 0