Nurs 8022 Exam 2 Questions And Answers, Graded A+ 2024

Renal oxygenation negative feedback loop {Ans: }Transferrin {Ans: Iron bound to apotransferrin (precursor) -- Transports iron in the blood • Delivers iron from absorption centers (duodenum, macrophages) to tissues • Saturation is typically measured indirectly by assessing the total iron binding capacity (TIBC)}IgG {Ans: Produced by plasma cells Gestation - passive immunity given to newborns; primary antibody in immune response Most abundant class (80%) Most of the protective activity against infections; found in all body fluids; four classes}HIV Pathophysiology {Ans: Retrovirus - carries genetic information in RNA instead of DNA HIV attaches to CD4+ (T helpers) HIV RNA enters the cells and converts its RNA to DNA in the cell, therefore the body's cells begin producing the virus This process kills the CD4+ cells and releases more HIV • Immune system fights back to reduce the HIV levels with Tk cells (CD8) ▪ Final phase of HIV occurs when sufficient number of CD4 cells are destroyed and when production of new CD4 cells cannot match destruction AIDS defining conditions: CD4 <200 and appearance of 1 or more opportunistic infections Opportunistic infections: cancers, Kaposi sarcoma, histoplasmosis, pneumocystis jiroveci}Make up of platelet cell membrane {Ans: ▪ Have