MATH 246 Quiz: Quiz 4 Solutions Spring 2008
14 Mar 2019
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1) among the treatments for multiple sclerosis are natural proteins, such as interferon beta, and monoclonal antibodies, such as natalizumab (trade name: tysabri). Western europe and the lands settled by northern europeans have a high prevalence for ms: in several lectures you heard of disease-related single nucleotide polymorphisms (snps). A polymorphism is a genetic variation present within a breeding population; a single nucleotide polymorphism is the presence of different nucleotides at a specific location in the linear sequence of dna. Identify that tract and explain how its demyelination produces blurred vision even though its performs a motor function. Demyelination of the mlf (medial longitudinal fasciculus) prevents coordinated action of extraocular muscles by disrupting the communication between motor neurons of the iiird and. Vith cranial nerve nuclei (not the nerves, themselves); this condition is called internuclear ophthalmoplegia or ino). The level of remyelination of tracts is never complete and becomes progressively less complete with each relapse.
