*NURSING > EXAM REVIEW > NURS 6501 Midterm Exam Review Guide (Weeks 1-6)�; 100% VERIFIED (All)

NURS 6501 Midterm Exam Review Guide (Weeks 1-6)�; 100% VERIFIED

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NURS 6501 Midterm Exam Review Guide (Weeks 1-6); 100% VERIFIED Evaluate cellular processes and alterations within cellular processes  Cellular processes, such as transcription, DNA replication, ... and DNA repair, are regulated by an intimate and selfreinforcing crosstalk and interdependence between histonemodifying complexes and other histone-modifying activities, such as acetylation, phosphorylation, and methylation.  Cellular processes are mediated through the complex action of several biological molecules through biochemical or biophysical interactions. Comprehensive understanding of the network will hence help to better understand the molecular mechanism underlying human diseases. Proteins “A” and “B” serve as hub proteins (schematic 1). An alteration (mutation) that removes one of the hub proteins (schematic 2) could lead to a significantly more severe outcome compared to an alteration that affects only a single edge (schematic 3), which could explain how different alteration in the same gene could lead to a different disease phenotype. • Analyze alterations in the immune system that result in disease processes  Autoimmune diseases originate from the coincidence of an initiating event in a genetically predisposed individual leading to an autoimmune mechanism that affects specific target tissues or cells. Central tolerance develops during the embryonic period. Peripheral tolerance is maintained in secondary lymphoid organs by regulatory T lymphocytes or antigenpresenting dendritic cells.  Inappropriate immune responses are misdirected responses against the host’s own tissues (autoimmunity); directed responses against beneficial foreign tissues, such as transfusions or transplants (alloimmunity); exaggerated responses against environmental antigens (allergy); or insufficient responses to protect the host (immune deficiency).  • Identify racial/ethnic variables that may impact physiological functioning [Show More]

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