A nurse is caring for a client who has Multiple Sclerosis, Which of the following factors should the nurse anticipate have been identified as contributing to the development of Multiple Sclerosis? (Select All that Apply.)

A. Genetics: A family history of multiple sclerosis (MS) increases susceptibility, indicating a genetic predisposition. Specific human leukocyte antigen (HLA) genes are associated with higher risk, suggesting that inheritance plays a role in disease development, though MS is not strictly hereditary. B. Environmental factors: Geographic location, low vitamin D levels, and reduced sun exposure have been implicated as environmental contributors to MS. Epidemiologic studies show higher prevalence in temperate regions, supporting the influence of environmental conditions on disease risk. C. Upper respiratory infections: While infections (specifically viral infections like Epstein-Barr) are being studied as potential triggers that might kickstart the autoimmune response in susceptible people, ordinary bacterial URIs or UTIs are not identified as causes of the development of the disease. D. Autoimmune factors: MS is widely considered an autoimmune disorder in which the body’s immune system erroneously targets central nervous system myelin. T-cell and B-cell mediated immune responses lead to demyelination and axonal injury, driving the characteristic neurologic deficits. E. Urinary tract infections: While urinary tract infections are common complications in clients with MS due to neurogenic bladder dysfunction, they are not causative factors in the development of the disease. They exacerbate symptoms but do not contribute to disease onset.